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3612 lines
193 KiB
3612 lines
193 KiB
<html><head><title>toybox news</title>
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<!--#include file="header.html" -->
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<p>Toybox combines common Linux command line utilities together
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into a single BSD-licensed executable that's simple, small, fast,
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reasonably standards-compliant, and powerful enough to turn Android into
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a development environment. See the links on the left for details.</p>
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<h2>News</h2>
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<a name="24-10-2020" /><a href="#24-10-2020"><hr><h2><b>October 24, 2020</b></h2></a>
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<blockquote><p>
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"We are now cruising at a level of two to the power of twenty-five thousand to
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one against and falling, and we will be restoring normality just as soon as we
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are sure what is normal anyway."</p>
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<p>- The Hitchhiker's Guide to the Galaxy</p>
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</blockquote>
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<p>After a longer and slightly more
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<a href=https://github.com/landley/toybox/commit/07a896862ddf>turbulent</a>
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development cycle than some,
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<a href=downloads/toybox-0.8.4.tar.gz>Toybox 0.8.4</a>
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(<a href=https://github.com/landley/toybox/releases/tag/0.8.4>git commit</a>)
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is out with new commands <b>sha3sum</b> and <b><a href=https://github.com/landley/toybox/commit/6b4c32ae3986>watchdog</a></b>.</p>
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<p>There are <a href=downloads/binaries/mkroot/0.8.4>prebuilt mkroot binaries</a>
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now, tiny toybox linux systems for a dozen architectures, all bootable under
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qemu. (The vmlinux in each tarball is a vanilla linux-5.9 kernel built
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from the included config file.)</p>
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<p>The FAQ got <a href=faq.html>noticeably larger</a>, and the README has
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more links. New command features include the <b>sed -s</b> flag,
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<b>cpio --no-preserve-owner</b> now affects archive creation,
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Elliott added <b>tar -I</b> and multi-type
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<b>find -type a,b,c</b> support, Mark Salyzyn added <b>xargs -P</b> to
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run parallel jobs, the <b>ps</b> and <b>top</b> commands
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now autodetect pid length, and <b>top</b> adjusts units for memory display based on
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system size.</p>
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<p><u>Toysh and toyroot</u>:
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lots of new work on <b>toysh</b>: 29 commits to sh.c since last release, adding 1500
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lines and deleting 700, plus a bunch of sh.tests entries). Since last release
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we implemented wildcards, case/esac and select, brace expansion sequences
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(ala {1..10..2} and {a..z}),
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the remaining variable slice types ${a#y} ${a%y} ${a^y} ${a,y}
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${a/search/replace}, the "<b>source</b>" shell builtin,
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the start of job control, and several bugfixes.
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Plus the standalone "<b>make sh</b>" build understands MAYFORK now. It's
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still missing features like functions() and $((math)) but it's getting
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close to usable now.</p>
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<p><u>Documentation</u>:
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Some of the README contents moved to the FAQ, and the README's "presentations"
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section got some new links. Several new <a href=faq.html>FAQ</a> entries explaining things like
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mkroot ("how do I build a working Linux system
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with toybox"), cross compiling (how to get/setup the 2 compilers and
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3 libc we regression test against), and "where does toybox fit into the
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linux/android ecosystem".
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The "toybox --help" output now lists the project's web page (<a href=https://github.com/landley/toybox/issues/50>by request</a>).
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Elliott removed
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getevent (an android board bringup/hardware debugging tool built by running
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a python script against kernel headers, not really in scope for toybox),
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fixed xargs help formatting, and taught the toybox multiplexer's
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command list output (and "kill -l") to measure the current the terminal width
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when wordwrapping (previously hardwired to 80 columns).
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If you're curious, I checked in my <a href=www/release.txt>release procedure
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checklist</a>, and
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vixed a stale link in the nav bar on the left ("statistics" changed domains).
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Firas Khaliki Khana fixed some issues in the roadmap, and Rob
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tweaked the roadmap so status.html is slightly more current.</p>
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<p><u>Tests</u>:
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The "make tests" target now fails if any of the tests it ran failed.
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Lots of TEST_HOST tests got fixed (checking for specific error messages exposes
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TEST_HOST to version skew, and scripts/test.sh will now skip TEST_HOST
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commands that aren't installed) and added toyonly annotations as necessary
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(replacing most uses of SKIP_HOST).
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Eric Molitor added automated github tests on MacOS and Ubuntu using their
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"workflows" thing.
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The clang asan plumbing slows some code down more than 10 times, so some testing timeouts were expanded.
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<p><u>Pending</u>:
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Eric Molitor did a bunch of work on route: moved it to sbin, added xsend and
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xrecv, taught display_routes() and setroute to use the rtnetlink API and
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do hostname lookups, added support for mss, win, and irtt, merged ipv6 and ipv4
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codepaths with autodetection of address type, implemented RTA_CACHEINFO
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support, switched exit paths to perror_exit(), and removed unused code.
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Ethan Sommer fixed warnings in dhcpd, removed a bunch of unnecessary
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; after GLOBALS() blocks and an unnecessary return in df.
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Erik Moqvist fixed dns setting in the dhcp client.
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Rob did some cleanup on bootchartd, traceroute, getty...
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Elliott fixed getty to reliably update utmp.
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Chris Sarra added ipv6 support to wget.
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Ariadne Conill submitted several small fixes from testing Alpine Linux with
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toybox, and Antoni Villalonga i Noceras fixed typos in error messages.</p>
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<p><u>Bugfixes</u>:
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Elliott avoided sign extension in devmem, and Ethan Sommer switched it from
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getpagesize() to posix sysconf(_SC_PAGESIZE).
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Elliott fixed chmod -R
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ignoring dangling symlinks, fixed stty <a href=https://github.com/landley/toybox/issues/251>misparsing c_iflags</a>, fixed the chattr f2fs test with
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compression enabled, taught blkid not to show empty tags, taught xparsedate()
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to read date's default output format, fixed a recent echo -e \0 regression,
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changed cpio -p parsing to match a <a href=http://lists.landley.net/pipermail/toybox-landley.net/2020-August/011955.html>bug</a> in the gnu version
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which an existing script <a href=https://github.com/landley/toybox/commit/fa1af3b085cc>depended on</a>,
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and switched hwclock back to looking
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only at /dev/rtc0 for <a href=https://github.com/landley/toybox/commit/70e2232ce61c>reasons</a> involving kernel version skew and vendor bug reports.</p>
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<p>David Legault pointed out that unescape2() (and thus echo -e) wasn't handling
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\0 right.
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Khem Raj reported that mips glibc doesn't have SIGSTKFLT, leading to
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a build break if we assume glibc behaves consistently, which led to a bunch of
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macos signal portability cleanups from Elliott.
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William Djupström fixed tar extracting long file paths, adding hardlinks
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to an archive, and reported that --exclude wasn't working.
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Peter McConalogue pointed out that cp/mv -i prompt should
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default N, and mv should only prompt when stdin is a tty.
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Patrick Oppenlander made rtcwake and hwclock default to UTC if /dev/adjtime
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isn't available, suggested watchdog catch SIGINT, and caught an
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uninitialized offset in blkdiscard which gcc apparently didn't.
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Ryan Pritchard reported that <b>file</b> wasn't getting gif heights right,
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and Elliott added gif version output so TEST_HOST provided similar output.
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Martin Stjernholm fixed <b>cp -P</b> to not follow symlinks and updated
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the help text to say it's not the default.
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Antoni Villalonga added more --long asiases to <b>chgrp/chown/rmdir</b>.
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<p>The symlink indirection code subtly broke xexec() so it would still try to call
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a builtin when given a path to a command (fixed now).
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The code to trip \n off xgetline() was using the length of the allocation
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instead of the length of the read.
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Netcat no longer leaks sockfd into child processes.
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Patch "fuzz" support was outputting context lines from the hunk, not the
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file. Chrisrfq fixed i2cdetect parameter reading.
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Chris Sarra taught dd not to throw an error trying to truncate device files,
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added a misshing fflush() to lib/password.c, fixed a parse error in logger
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preventing local facility logging from working right, taught init
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to reload inittab when it receives SIGHUP, and fixed a memory leak in tar.</p>
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<p><u>Library</u>:
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New xvdaemon() function daemonizing on nommu systems, to wean commands
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off daemon() which requires TOYBOX_FORK.
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Teach sendfile_len() to use copy_file_range() when available, with compile
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time probe. Fix xsignal_all_killers() to install the correct handler.
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Rob switched dirtree_path() to a non-recursive implementation, and
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taught dirtree that a top level entry named "" is equivalent to
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"." but should not show up in dirtree_path(),
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read_password() now reads from tty device rather than stdin, and handles ctrl-c and ctrl-d, and
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human_readable() now has HR_NODOT so it can print single digit numbers without going "0.0".
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Petri Gynther increased the vmstat column sizes so it didn't fit
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in 80 columns anymore.
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Elliott added UTC offset support to xparsedate().</p>
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<p><u>Infrastructure</u>:
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mkroot now only passes --no-preserve-owner to cpio (so initramfs files
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belong to root rather than whichever user ran the build) when using toybox's
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version, because the other one is brain-damaged and errors out not
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understanding it. (It understands it for extract, but not create. Yes really.)
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New PENDING variable you can set to enable more than just sh and route out
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of pending.
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The "make distclean" no longer deletes root_download (where mkroot's "extra plumbing"
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file saves source code downloads it tarballs, such as dropbear).</p>
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<p><u>Cleanup</u>:
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Cleanup openvt (35 lines added, 78 lines removed)
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Cleanup blkdiscard so lib/args.c parses the -o and -l numbers, which means
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32 bit systems are limited to 2 gigabyte sizes which is a TODO item systemwide.
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oneit now uses flag macros and mentions -rn in the help. demo-utf8towc
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now has main.c call setlocale for it.
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Some cleanup on stty.</p>
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<a name="11-05-2020" /><a href="#11-05-2020"><hr><h2><b>May 11, 2020</b></h2></a>
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<blockquote>
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<p>Ford: Ah. A
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<a href=https://www.youtube.com/watch?v=WSsR419HBpQ>towel</a>.
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Keep this and guard it with your life.</p>
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<p>Arthur: Huh?</p>
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<p>Ford: Listen, it's a tough universe. There's all sorts of people and things
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trying to do you, kill you, rip you off, everything. If you're going to
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survive out there, you've really got to know where your
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<a href=towel.jpg>towel</a> is.</p>
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<p>- The Hitchhiker's Guide to the Galaxy.</p>
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</blockquote>
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<p>Despite everything <a href=downloads/toybox-0.8.3.tar.gz>Toybox 0.8.3</a>
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(<a href=https://github.com/landley/toybox/releases/tag/0.8.3>git commit</a>)
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is finally out, with new commands <b>rtcwake</b> from Elliott Hughes and
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<b>blkdiscard</b> from Patrick Oppenlander.
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The big news is "<b>make root</b>" now boots to a shell prompt,
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with toysh making it all the way through toyroot's init script.
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(Some people were looking forward to <b>patch --fuzz</b> support too.)</p>
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<p><u>Toyroot</u>: <b>make root</b> now does what it says on the tin, it
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builds a bootable toybox-based Linux system using two source
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packages (toybox and linux). The trivial version is "make root && sudo chroot
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root/host/fs /init". Here's
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a <a href=http://lists.landley.net/pipermail/toybox-landley.net/2020-April/011667.html>post with instructions</a> if you want to know how to build the
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cross compilers for testing the various architectures. The self-contained
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<a href=https://github.com/landley/toybox/blob/0.8.3/scripts/mkroot.sh>script
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that builds a simple bootable Linux system</a> is 250 lines long, and
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should be easy to read if you want to know how it works.</p>
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<p>It also has basic module support, meaning arguments that aren't X=Y variable
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assignments are the names of scripts to run to build more
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packages at the end of the build. I checked in an <a href=https://github.com/landley/toybox/blob/master/scripts/root/dropbear>example package</a>,
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and there's generic "download and extract source tarballs"
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<a href=https://github.com/landley/toybox/blob/master/scripts/root/plumbing>plumbing</a> available to such modules.
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(The Makefile doesn't know how to pass module names through to the script,
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so instead of "make root" you have to
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call the script directly, ala "scripts/mkroot.sh CROSS=sh4 LINUX=~/linux dropbear".)</p>
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<p>The resulting root filesystem now uses /root as the home
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dir for UID 0, and creates /dev/fd and /dev/shm in devtmpfs. The build works
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around a kernel
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build bug where "make distclean" doesn't work in a "cp -sfR" symlink
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directory. (The bug meant if you pointed LINUX= at unclean source, it was
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unhappy, so now it distcleans the source directory before copying it. This
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modifies said source directory, which is not ideal, but as usual the kernel guys
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<a href=http://lkml.iu.edu/hypermail/linux/kernel/2002.2/00083.html>ignored
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the bug report</a>, so a workaround was required.)
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The CROSS=all build announces each target in the title bar, puts
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its logs into root/log, and has better trap handling to stop with one
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ctrl-c.
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Since last release it uses a more concise config format for the various kernel
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arch targets (which shrank the script by about 50%), and merged
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the old (now removed) scripts/cross.sh into the main script so
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"make CROSS=armv7l LINUX=~/linux" is
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literally just a call to "scripts/mkroot.sh CROSS=armv7l LINUX=~/linux" now.</p>
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<p>As for <b>scripts/mcm-buildall.sh</b> building cross compilers,
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of COURSE gcc 8.3 requires a different configuration to build the same
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toolchain as previous versions, it's gcc. It now builds a proper
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nommu libc for sh2eb without a broken fork() call in it that can never
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be used but prevents compile-time probes from detecting nommu,
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and checks that the cross compiler completed before trying to build
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the native compiler.</p>
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<p>This was all tested with a recent
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<a href=https://github.com/richfelker/musl-cross-make/commit/5086175f2902>version</a>
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of musl-cross-make with the top level Makefile
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edited to use BINUTILS_VER = 2.32 because the newer one
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<a href=https://www.spinics.net/lists/linux-sh/msg56844.html>breaks the kernel
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build</a>
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and LINUX_VER = 4.19.90 because the default musl-cross-make config uses an
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out-of-tree headers package for some reason (those who forget history are
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<a href=https://lkml.org/lkml/2006/4/28/194>doomed to repeat it</a>) which
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breaks m68k and s390x. I won't post binaries of the resulting toolchains
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because they're GPLv3, but <a href=https://musl.cc/>Thalheim might</a>.
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(I've also <a href=http://lists.landley.net/pipermail/toybox-landley.net/2020-May/011673.html>test built</a>
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with the Android NDK, but bionic's startup code currently segfaults before
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calling main() if it can't open /dev/null, and the kernel guys
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<a href=https://lkml.org/lkml/2017/9/13/651>ignored my patches</a> to
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make CONFIG_DEVTMPFS_MOUNT work in initramfs.)</p>
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<p>At the moment toyroot cheats and uses two commands out of pending: toysh
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is about 80% of the way to being useful but still missing some
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obvious features like function support, job and terminal control, command
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history, $((math)), wildcard expansion... plus a lot of bash features like array
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variables, so it isn't out of pending yet. And route needs to be redone to use the
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netlink interface that can handle multiple routing tables. For the moment
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scripts/mkroot.sh adds both of them to defconfig if you haven't already
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got a .config when you run it. (If you build and can't boot, your .config
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probably hasn't got CONFIG_SH switched on. Fix it in menuconfig, or
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rm .config and try gain.)</p>
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<p><u>New toybox features</u>:
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Elliott taught <b>patch</b> to understand [FILE [PATCH]] arguments, made
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<b>cal</b> highlight the current day, added -T to <b>cp</b>/<b>mv</b>,
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did a lot of work on <b>lsattr</b>/<b>chattr</b> (including adding -p
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and "chattr ="), added tar --absolute-names, taught <b>id</b> to
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support numeric lookup and handle unknown groups, made -G show all
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groups, and removed context= from -Z.
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Rob added <b>patch -F</b> (fuzz factor) support and <b>help -u</b> (usage only),
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taught <b>echo -e</b> about bash extensions like \uXXXX unicode escapes,
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<b>netcat -L</b> no longer automatically includes stderr (new -E
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option does that),
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<b>setsid</b> now uses -c (like the man page says) instead of -t, and added
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-w (wait) and -d (detach from tty).
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Andrew Ilijic added <b>ls -w</b>, removed trailing whitespace on output,
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and added tests for -C and -x.</p>
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<p><u>Library</u>:
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another fix to 32 bit option parsing of long long optflag values,
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remove getdirname() and just use the libc function (which modifies
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its argument, but we don't have to free a malloc),
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dlist_terminate() can now be called repeatedly on the same list,
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new relative_path() function finds path from one directory to another,
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and readfd() works like readfile() but on an already open fd.
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Use MPATH macros in mkpathat(). Elliott added macOS versions of
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dev_minor()/dev_major()/makedev() to portability.c,
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implemented posix_fallocate() for macOS, removed a
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leftover uClibc workaround in fallocate that was breaking macOS,
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and moved the table of ELF architectures from file to lib/lib.c (so
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readelf can share).
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Park Ju Hyung pointed out the fast path of fdlength() was commented out,
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and we switched it to the 64 bit API while we were there (and then Elliott
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added macOS support).
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Joeky taught file to recognize 7z archives.</p>
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<p><u>Pending</u>:
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The shell got a bunch of work: standalone "make sh" now includes the
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multiplexer for builtin commands like "exit" and "cd". Added MAYFORK annotation
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for commands that exist in the $PATH but can also be run within the shell
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process (and sometimes have different behavior within the shell):
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currently applied to help, echo, false, kill, printf, pwd, test, time, and
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true.</p>
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<p>Elliott added new commands <b>getopt</b> and <b>readelf</b>.
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Jarno Mäkipää taught wget how to follow http 301 and 302 redirects,
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and did lots of work on vi. (Elliott also did work on vi.)
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Gavin Howard fixed a comparison bug in bc.
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Ethan Sommer fixed numerous small issues (including several build
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warnings and FLAG() macro conversions).</p>
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<p><u>Bugfixes</u>:
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<b>tar</b> extract now deletes files and symlinks where it's making a directory,
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<b>find -L -type -l</b> now finds dangling symlinks, extra #ifdefs in
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portability.h prevent old gcc versions from barfing on __has_include(),
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xgetline() now returns NULL at EOF, tee with no arguments was
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writing to stdout twice, setsid works on nommu (I.E. vfork) now,
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<b>netcat -L</b> no longer accumulates zombie processes,
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<b>sntp</b> now uses adjtimex instead of adjtime (to build on bionic).
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xcreate_stdio() was checking WARN_ONLY in the wrong field (and tar was
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passing it in the wrong field, so it worked there).
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Several people wrestled with the <b>xargs</b> "argument too long" problem.
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Alessio Balsini fixed memory leaks in loopback_setup() and "wayling"
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added a missing continue to losetup.
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Elliott fixed xargs -E, various things in modinfo,
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added an error check to gzip when using zlib (which copies non-gzip data to
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the output verbatim for some reason),
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found an case where dirtree could use
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uninitialized data and silenced "Invalid argument" warnings (triggered by
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Android's selinux policies making stat() and readlink() fail),
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fixed locale support in macOS (both in iconv
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and in main.c), taught stat to show filesystem time on macOS,
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fixed a 32 bit truncation in sntp, fixed a memory access one byte outside
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of its array in patch.c, removed the cpio --trailer option,
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and widened the pid display fields in ps to
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6 digits. Rich Felker fixed find.c assuming
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time_t is a long (y2038 issue on 32 bit).
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Greg Kaiser fixed a thinko in get_block_device_size().
|
|
Jarno Mäkipää fixed utf8 support in cut -C, and cp --parents.
|
|
David Legault complained that dir/.* tells rm to delete dir/.. and we'd do it.
|
|
JakeSFR pointed out a bug in file's identification of broken symlinks.
|
|
William Haddon fixed cp to treat a directory with a trailing slash
|
|
teh same as one without.
|
|
Denys Nykula fixed rm -i not to prompt for an empty "" argument.
|
|
SebiderSushi reported that chmod g+s wasn't working.
|
|
The linux kernel doesn't let an O_PATH fd work with fgetxattr(), so
|
|
Elliott switched <b>ls</b> to use the path-based functions now (which is racy,
|
|
it means you can stat() one inode and get the xattrs for a different one,
|
|
but nobody in kernel land seems to use xattrs much so they're not fully
|
|
supported by the API, and who's crazy enough to use xattrs for security
|
|
anyway). Derick Pallas pointed out an xclearenv() bug.
|
|
Atatsulo (or possibly luolongjuna) did a lot of work on the <b>ping</b>
|
|
command: pointed out min/range/max were out of order,
|
|
that we shouldn't print a summary unless we received at least one
|
|
reply packet, and implemented ttl support.</p>
|
|
|
|
<p><u>Build plumbing</u>:
|
|
The "make root CROSS=all" build announces each target in the title bar, puts
|
|
its logs into root/log, and has better trap handling to stop with one
|
|
ctrl-c.</p>
|
|
|
|
<p>Fixed scripts/single.sh to work when PREFIX has no trailing slash,
|
|
make silentoldconfig no longer feeds "y" to kconfig (which puts menus in a
|
|
loop) and instead just feeds in newlines to accept whatever the default is.
|
|
The non-git version number I keep forgetting to update each release moved
|
|
from main.c to toys.h.
|
|
Fixed a couple different errors in mkflags.c (one of which caused ls --color
|
|
to set all the other flags).</p>
|
|
|
|
<p>Elliott added more macos support and tests, and added
|
|
fallocate, cp, mktemp, and mv to the macOS defconfig.</p>
|
|
|
|
<p><u>Cleanup</u>:
|
|
Rob did some cleanup on xargs, ls, md5sum, and sort, tidied up main.c a bit,
|
|
made cp, base64, dmesg, and free use FLAG macros,
|
|
and switched fallocate to new style global names.
|
|
Elliott Hughes switched rfkill from the old byte at a time get_line()
|
|
to libc getline(), made du use FLAG() macros, and mad chattr use
|
|
standard toybox argument parsing for -v and -p.
|
|
Several commands (help, cp) had sub-options removed from menuconfig.
|
|
Merged realpath into readlink.c, and use xabspath() instead of libc realpath().</p>
|
|
|
|
<p><u>Documentation</u>:
|
|
New roadmap section about <a href=roadmap.html#packages>other packages</a>
|
|
that toybox can (eventually) replace.</p>
|
|
|
|
<p>Update roadmap to note that posix-2008 moved to a different URL (content
|
|
at the old URL undergoes random changes), and link to the IETF RFCs.
|
|
design.html explains more of the history of environment sizes on links
|
|
and has a #bits anchor tag.</p>
|
|
|
|
<p>Update the <a href=design.html#bits>LP64 section</a> of design.html to
|
|
fish the documents out of archive.org now that unix.org is gone,
|
|
and show the actual size table locally.</p>
|
|
|
|
<p>Elliott improved the help of <b>date</b> and <b>chattr</b>, and
|
|
made the usage: lines in the posix directory more consistent.</p>
|
|
|
|
<p>Shrank the sed help from 150 lines to 90-ish.</p>
|
|
|
|
<p><u>Tests</u>:
|
|
New "txpect" performs interactive tests, running through a sequence of
|
|
writes to a command's stdin and reads from stdout and stderr, when failing it
|
|
reports the first non-matching step. (This for example lets sh.test check
|
|
the shell line continuation logic prompts with $PS1 and $PS2 appropriately
|
|
with various unfinished input lines, and that "echo hello; if" doesn't
|
|
output hello before prompting for the next line of input.) Added
|
|
VERBOSE=xpect to print out each read and write successfully performed by txpect.</p>
|
|
|
|
<p>runtest.sh only creates an "input" file when the input argument isn't empty,
|
|
EVAL doesn't supply -- (you have to provide your own if you want that).</p>
|
|
|
|
<p>Rob added basic <b>stat</b>, <b>patch</b>, and <b>tee</b> tests.
|
|
Jarno added a bunch of <b>vi</b> tests.
|
|
Elliott fixed tests for <b>ifconfig</b>, <b>lsattr</b>, <b>chattr</b>,
|
|
and <b>date</b>, added tests for find, id, xargs, and made
|
|
the id, iconv, env, file, printf and cat tests work on macOS (and skipped
|
|
the du tests there). Rob cleaned up chmod tests.</p>
|
|
|
|
<p><u>Sheer pedantry</u>:
|
|
true and false now have usage: lines (which you have to "help false" to see
|
|
because they (intentionally!) don't support --help.
|
|
Renamed get_chunk()/dump_chunk() to read_chunk()/write_chunk() in tail.c
|
|
Elliott fixed some typos.</p>
|
|
|
|
<a name="18-10-2019" /><a href="#18-10-2019"><hr><h2><b>October 18, 2019</b></h2></a>
|
|
<blockquote>
|
|
<p>"In those days spirits were brave, the stakes were high, men were real
|
|
men, women were real women and small furry creatures from Alpha Centauri
|
|
were real small furry creatures from Alpha Centauri."
|
|
</p> <p>- The Hitchhiker's Guide to the Galaxy</p>
|
|
</blockquote>
|
|
|
|
<p><a href=downloads/toybox-0.8.2.tar.gz>Toybox 0.8.2</a>
|
|
(<a href=https://github.com/landley/toybox/releases/tag/0.8.2>git commit</a>)
|
|
is finally out (only two months late).</p>
|
|
|
|
<p>The new commands this time are minor variants of existing ones
|
|
(<b>dnsdomainname</b> is hostname -d, <b>arch</b> is uname -m), but about
|
|
1/3 of toysh got implemented in pending, <a href=https://github.com/landley/mkroot>mkroot</a> got merged as a "make root" target (see Build),
|
|
and Android's <a href=http://lists.landley.net/pipermail/toybox-landley.net/2019-August/010845.html>hermetic build</a>
|
|
work continued resulting in a lot of fixes.</p>
|
|
|
|
<p>The android-specific <b>getprop</b>, <b>setprop</b>, <b>start</b>, and <b>stop</b>
|
|
commands were removed from toybox because they grew dependencies on android
|
|
libraries, and since toybox tries to avoid mandatory external dependencies
|
|
they moved to another package.</p>
|
|
|
|
<p><u>Build</u>:
|
|
The new "make root" target builds a simple toybox root filesystem,
|
|
using scripts/mkroot.sh which is a stripped
|
|
down version of the external <a href=https://github.com/landley/mkroot>mkroot</a>
|
|
project merged into toybox. (Alas, at the moment it wants sh and route out
|
|
of pending, which aren't quite load bearing yet.)</p>
|
|
|
|
<p>The new "scripts/mcm-buildall.sh" convenience script builds cross
|
|
compilers based on gcc+musl multiple targets (arm, x86, mips, m68k, s390,
|
|
microblaze...)
|
|
using <a href=https://github.com/richfelker/musl-cross-make>musl-cross-make</a>,
|
|
and a new scripts/cross.sh to easily cross compile for one or more targets
|
|
using the resulting compilers. (This works with "make root", "make
|
|
toybox", and other builds understanding the CROSS_COMPILE environment variable.)</p>
|
|
|
|
<p>Setting the environment variable ASAN=1 enables the
|
|
llvm address sanitizer. (You may need to
|
|
export ASAN_SYMBOLIZER_PATH on debian to use it, they add the version number to
|
|
the filename in /usr/bin which confuses llvm.)</p>
|
|
|
|
<p>Patrick Oppenlander fixed make -j (our make is a wrapper around
|
|
scripts/make.sh which was already doing a parallel build, but if you called
|
|
make with -j it wouldn't wait for make.sh to finish and the build broke).</b>
|
|
|
|
<p>Lots of fixes for the MacOS build.</p>
|
|
|
|
<p><u>New options</u>:
|
|
We upgraded <b>tar</b> to extract some older tarballs, <b>file</b> added -b and -s
|
|
options and can also recognize older tarballs,
|
|
some xz archives, .otf fonts, perf/simpleperf data files,
|
|
android boot images, and dtb files. Upgraded <b>file</b> to show the device type
|
|
for block and char devices, the target for symlinks, and it says _why_ it can't
|
|
open a file.</p>
|
|
|
|
<p>Several commands ignore some options rather than erroring on them:
|
|
<b>patch</b> ignores the -f -g# and --no-backup-if-mismatch options
|
|
(all of which we were already doing by default anyway), and <b>xargs</b>
|
|
ignores -P# (which requests parallel execution, maybe add it later but
|
|
single threading works), and Denys Nykula made <b>wget</b> ignore
|
|
--no-check-ceritificate and <b>gzip</b> ignore -n (again, we weren't doing
|
|
either anyway) to satisfy pkgsrc.</p>
|
|
|
|
<p>William Haddon taught <b>diff</b> and <b>patch</b> to support special characters in path
|
|
names (via quoting) and more timestamp formats.
|
|
Eric Molitor implemented <b>nl</b> -v (with negative and zero starting values),
|
|
and fixed a MacOS compatibility issue in the build scripts.
|
|
Tom Cherry added <b>netcat</b> -U (UNIX domain socket support).
|
|
Denys Nykula taught <b>wget</b> to call ftpget for ftp:// URLs.
|
|
Ethan Sommer added ln -t and rmdir --ignore-fail-on-non-empty.
|
|
Elliott Hughes added <b>grep</b> -R, <b>killall</b> -w, tar --mode,
|
|
fixed <b>ls</b> -Z and spacing in -lZ and --full-time,
|
|
added <b>xargs</b> --max-args and removed xargs -I (which we never actually
|
|
supported) and tweaked the size calculation to more closely match other
|
|
versions,
|
|
added xargs -o and made -p read from /dev/tty, added <b>blkid</b> -s, SEC_TYPE for ext3,
|
|
msdos, and ntfs, f2fs and ntfs LABEL, fixed vfat/ntfs UUID, and switched
|
|
the endianness for UUID of msdos/ntfs/vfat, simplified the octal mode
|
|
display in <b>lsof</b>, added <b>pidof</b> -x (thus making the default behavior _not_
|
|
be -x).</p>
|
|
|
|
<p>When readdir() succeeds but stat() fails, <b>ls</b> now prints "??? ? ? filename"
|
|
entries instead of "cannot access" errors. (Still trying to make ls / on
|
|
android work more gracefully with the SELinux weirdness they added in 9.)</p>
|
|
|
|
<p>Added %C to <b>stat</b> and made it show device type in its default output,
|
|
<b>cmp</b> now works
|
|
with 1 argument (implicit - as second argument reading from stdin).
|
|
<b>sed</b> added exit codes to the q command (q123), added Q, and fixed a
|
|
bad error message with "!".
|
|
Removed TAIL_SEEK config option (it just always does that now),
|
|
<b>find</b> grew several new options (%Z, -true, -false, and -newerXY), <b>ln</b> added -T.
|
|
The argument to <b>mktmp</b> --tmpdir is now optional.</p>
|
|
|
|
<p><u>Bugfixes</u>:
|
|
The unshare probe bit-rotted so it was impossible to build <b>unshare</b>
|
|
and <b>nsenter</b> on some distros.
|
|
Commit 771e94e2a08 broke toybox's ability to say "unknown command" when
|
|
you pointed a symlink at it that it that didn't correspond to a command,
|
|
pointing a symlink at another symlink
|
|
to make toybox run a command under a name it doesn't recognize
|
|
(ln -s toybox sh; ln -s sh ash) had an off by one error,
|
|
<b>ifconfig</b> no longer error_exits if the "read mac address" ioctl fails (Android N
|
|
and later block that for non-root users to prevent device tracking).
|
|
When the libcrypto library was disabled, md5sum was building commands it
|
|
hasn't got built-in support for yet (like sha3sum) which acted like redundant
|
|
copies of md5sum,
|
|
<b>tar</b> wasn't correctly reading or writing sparse files with a hole at
|
|
the end, and tar tzf blah.tar.xz was calling xz when it meant xzcat,
|
|
<b>xargs</b> would spuriously fail on large memory systems (due to a missing
|
|
"unsigned" in a typecast),
|
|
<b>basename</b> can now remove suffixes starting with a dash,
|
|
<b>cp</b> -r unlinks() an existing symlink before trying to
|
|
recreate the symlink (otherwise cp -r into an existing directory will
|
|
try to follow the existing symlink and create another symlink at its
|
|
destination, failing if a file already exists there, which
|
|
was confusing gentoo's package manager), <b>timeout</b> now produces the
|
|
right exit code when the timed command intercepts the exit signal,
|
|
and <b>hostname</b> -d no longer segfaults on machines with no domain name.</p>
|
|
|
|
<p>Denys Nykula fixed the <b>ftpget</b> freeze (it was sending REST instead
|
|
of RETR), made <b>mv</b> work with a trailing slash in the source,
|
|
fixed a <b>find</b> segfault,
|
|
and made <b>env</b> always exec rather than recursing to a builtin
|
|
(on the theory #!/usr/bin/env is expected to search the $PATH).</p>
|
|
|
|
<p>Elliott improved <b>killall</b>'s handling of long filenames, made <b>kill</b> work
|
|
when killall5 is disabled (missing FORCE_FLAGS), fixed error reporting in
|
|
<b>hostname</b>, fixed several things in <b>xargs</b>,
|
|
made <b>printf</b> \c and \0 octal escapes work, fixed a <b>find</b> -name corner
|
|
case (find src/*.c -name file.c) and find dangling symlink behavior,
|
|
made some <b>rm</b> error messages consistent, fixed \x behavior in echo and
|
|
printf, fixed linestack.c's buffer length for utf8 U+XXXX escape printing,
|
|
fixed a race in <b>losetup</b>, fixed <b>grep</b> -F with multiple matches on the same
|
|
line and an -I failure in the existing grep tests, made <b>readlink</b> notice
|
|
when it has more than one argument, and made various
|
|
fixes to <b>modinfo</b>.</p>
|
|
|
|
<p>Ethan Sommer reported that <b>stat</b> of an suid/sticky file output 5 digits of
|
|
octal stat date instead of 4.
|
|
Rob fixed an unaligned access in <b>grep</b>. Alessio Balsini removed an incorrect
|
|
null termination in <b>losetup</b>.
|
|
Jarno Mäkipää fixed <b>hexedit</b>
|
|
scrolling up and down on older terminals, and fixed <b>ls</b> segfaulting with a broken
|
|
(non-UTF8) locale (didn't expect wcrtomb to return -1).
|
|
Andrew Ilijic made ls put 2 spaces between columns like other implementations
|
|
(which helps when terminals get confused and apply UTF8 combining characters
|
|
to the space after a filename).
|
|
</p>
|
|
|
|
<p><u>Library</u>:
|
|
Added dlist_lpop() to use a dlist as a stack (it removes the last entry
|
|
instead of the first), and dlist_pop() now works on a dlist_terminate()d list.
|
|
DIRTREE_STATLESS returns entries we couldn't stat() (with a zeroed ->st
|
|
field, and ->again |= 2), but filling in the file type from readdir().
|
|
Coversions between signal names and numbers now include all the Linux signals,
|
|
not just posix ones. The functions sig_to_num() and num_to_sig() moved into
|
|
lib/portability.h, because MacOS has different signals.
|
|
TOYFLAG_MAYFORK allows commands to run in toysh's process without forking,
|
|
but also makes them accessable from the toybox multiplexer or standalone.
|
|
A MAYFORK command has to clean up after itself (even in error paths) and
|
|
can't discard anything we need to keep (such as closing stdout).</p>
|
|
|
|
<p>Elliott did a big xbind/xconnect cleanup (adding xbindany and xconnectany),
|
|
taught xregcomp that an empty regex matches the whole line
|
|
(because FreeBSD, and thus MacOS, doesn't already do that), and
|
|
replaced several uses of get_line() (which does single byte reads)
|
|
with getline() (which doesn't).</p>
|
|
|
|
<p><u>Plumbing</u>:
|
|
"make clean" doesn't produce a screenful of unnecessary output now,
|
|
rm, ln, cp, kill, and netcat use the FLAG() macros now, makedevs uses the new
|
|
GLOBALS naming format, timeout now uses xwaitpid(), and we fixed an
|
|
off by one error in xwaitpid().</p>
|
|
|
|
<p>Elliott removed a workaround for old NDK versions from getconf and
|
|
moved sort off of get_rawline() (which let us remove it).
|
|
Rob undid some loop unrolling in md5sum/sha1sum (we have libcrypto if you want
|
|
an assembly optimized version instead of an understandable version).</p>
|
|
|
|
<p>Android ndk-r20 doesn't define the __ANDROID_NDK__ symbol, so we switched
|
|
to using clang's __has_include() (which is an undefined macro and thus a NOP
|
|
resolving to false on gcc).</p>
|
|
|
|
<p><u>Pending</u>:
|
|
Rob did a lot of work on toysh: continuation support works (it knows when to ask
|
|
for another line of text and when to run what it's got), as do
|
|
nested if/else/elif statements, and while and for loops (supporting "for i"
|
|
and "for i in", but not for ((;;)) yet).
|
|
It parses pipes and redirections but doesn't perform them yet.
|
|
The next big todo chunk is environment variable resolution.
|
|
</p>
|
|
|
|
<p>Gavin Howard fixed some bugs in bc, such as not returning error when raising
|
|
zero to a negative power.
|
|
Jarno Mäkipää continues to extend vi, adding yank and push, support for tabs,
|
|
rewriting delete, changing the drawing code, etc. Elliott also added several
|
|
fixes and features to vi,
|
|
fixed host to cope with large DNS responses, switched crontab to
|
|
use getline(), did work on man, fixed fixed several things in dd,
|
|
implemented diff --strip-trailing-cr and made diff not need /tmp.
|
|
Mike Bennett added extended attribute support to ip.c's route change.</p>
|
|
|
|
<p><u>Test suite</u>: The killall and pgrep tests were having occasional
|
|
spurious failures due to a race condition (the test script would fork()
|
|
to call sleep and for just a moment there were two instances of the test
|
|
script, reporting an extra process if killall or pgrep ran then).
|
|
|
|
<p>Elliott Hughes did a lot of work on the test suite: add kill -l tests,
|
|
make losetup.test notice (and skip) if loopback
|
|
devices area already in use, blkid.test can TEST_HOST e2fsprogs blkid now,
|
|
modinfo.test notices (and skips) if there's no /proc/modules or modules
|
|
directory, ifconfig.test skips if "dummy0 up" fails and disabled the
|
|
pointtopoint tests entirely (the kernel never supported it?),
|
|
truncate.test is less
|
|
confused by SELinux, hostname.test can run some tests as non-root,
|
|
addressed a race condition in killall.test on slow systems,
|
|
made chgrp.test, chown.test, and tar.test handle an empty /etc/passwd or /etc/group
|
|
(we were checking whether they were _there_ but some android devics have
|
|
empty ones),
|
|
fixed a couple things in env.test, extended killall.test to explicitly cover
|
|
long and short names (and not assume the shell is /bin/sh), taught split.test not to rely on bash process substitution,
|
|
added missing TZ=utc to touch.test, fixed cp.test to pass for root
|
|
or with a restrictive umask, and fixed the FAILCOUNT arithmetic to use more portable
|
|
$(()). Elliott also made some tests more flexible (find.test can handle any
|
|
error message about symlink loops, etc), and disabled others (such as du)
|
|
when SELinux is enabled.</p>
|
|
|
|
<p>Rob taught testcmd not to use the shell builtin for TEST_HOST unless there
|
|
isn't one in the $PATH, work if $PWD has a space in it,
|
|
and make kill.test stop testing the shell builtin
|
|
insead of the command, quieted tests that were producing output
|
|
other than their PASS/FAIL line, and made NOSPACE tests ignore the
|
|
presence/absence of leading/trailing whitespace as well as differences
|
|
in the amount of space.</p>
|
|
|
|
<p><u>Documentation</u>:
|
|
The <a href=roadmap.html>roadmap</a> got freshened up a bit, with updates
|
|
for android from Elliott.
|
|
In <a href=design.html>the design page</a> the Features section starts with
|
|
4 new paragraphs about the scope of toybox, and a new License section talks
|
|
about 0BSD.
|
|
The "./toybox --help" output now explains how to do install_flat by hand.</p>
|
|
|
|
<p><u>Sheer pedantry</u>:
|
|
Elliott fixed a double close in loopfiles_lines() so strace doesn't
|
|
have an EBADF in it, and added a missing "static" in lib/net.c.</p>
|
|
|
|
<a name="21-05-2019" /><a href="#21-05-2019"><hr><h2><b>May 21, 2019</b></h2></a>
|
|
<blockquote>
|
|
<p>"I like the cover," he said. "'Don't Panic.' It's the first helpful or intelligible thing anybody's said to me all day."</p> <p>- The Hitchhiker's Guide to the Galaxy</p>
|
|
</blockquote>
|
|
|
|
<p><a href=downloads/toybox-0.8.1.tar.gz>Toybox 0.8.1</a>
|
|
(<a href=https://github.com/landley/toybox/releases/tag/0.8.1>git commit</a>)
|
|
is out.</p>
|
|
|
|
<p>Android is now using toybox as part of a <a href=http://lists.landley.net/pipermail/toybox-landley.net/2018-November/009824.html>"hermetic" build</a>
|
|
(meaning Android is building under toybox, which is halfway to Android
|
|
building under Android). See Android's <a href=https://android.googlesource.com/platform/prebuilts/build-tools/+log>build-tools</a> and <a href=https://android.googlesource.com/platform/build/soong/+log>soong</a> repositories to follow along with development, or check the list for the <a href=http://lists.landley.net/pipermail/toybox-landley.net/2019-May/010485.html>current status</a>.</p>
|
|
|
|
<p><u>New commands</u>: Isaac Dunham added <b>mcookie</b>, which is used by
|
|
X11. Elliott Hughes added <b>devmem</b>, which replaces toolbox's "r".</p>
|
|
|
|
<p><u>Promoted</u>: <b>tar</b>, <b>gunzip</b>, and <b>zcat</b> were cleaned
|
|
up and moved out of pending.
|
|
Tar is a near-rewrite with support for --owner --group and --sparse,
|
|
capable of autodetecting "wget blah.tar.bz2 -O - | tar xv", a --restrict option
|
|
that only allows files to extract into a single subdirectory, and so on.</p>
|
|
|
|
<p><u>Added to pending</u>:
|
|
Jarno Mäkipää contributed a new <b>vi</b> implementation. Makepost added
|
|
<b>man</b>.</p>
|
|
|
|
<p><u>Updates</u>: Elliott added <b>find</b> -wholename/-iwholename, -printf,
|
|
and -context, <b>grep</b> --exclude-dir, and <b>echo</b> -E.
|
|
Rob added <b>blkid</b> -U and -L, <b>mount</b> now has UUID= support via blkid -U,
|
|
you can now specify TZ="blah" in the <b>date</b> -d input string (although
|
|
why the double quotes are required is an open question), and <b>sed</b> now
|
|
understands ,+N relative ranges. Makepost added <b>rm</b> -v.
|
|
The human_readable fields in <b>ps</b>/<b>top</b>/<b>iotop</b> now use all
|
|
available space to show more precision, <b>iotop</b> displays swap bandwidth
|
|
properly (it was showing a signed field as unsigned), and
|
|
<b>touch</b> -t and -d autodetect the time format.</p>
|
|
|
|
<p><u>Cleanups</u>: In pending Rob did some bc cleanup,
|
|
Colin Davidson did some arp cleanup,
|
|
Uros Prestor fixed route argument parsing, and
|
|
in bc Daniel Rosenberg fixed bc_vec_concat()'s allocation and
|
|
Gavin Howard fixed an overflow bug in bc_num_ulong().</p>
|
|
|
|
<p>Elliott made scan_key() detect cursor keys and such with several more
|
|
terminal types, made more better about directories and non-tty output,
|
|
cleaned up inconsistent uses of ARRAY_LEN(), taught file
|
|
to recognize a c-sky ELF machine, and fixed timezone and daylight
|
|
savings time issues in date and its tests.
|
|
Rob simplified netcat and ping using new lib/net.c infrastructure.
|
|
When run as non-PID 1 (for a chroot) oneit's exit code now indicates
|
|
which signal it's exiting due to.
|
|
Hadrian Węgrzynowski #defined constants for mkpathat.
|
|
Date now uses the current time for unspecified fields (instead of zeroing
|
|
them), and should set the weekday properly.
|
|
Sort's -k2.3,4.5 syntax is now documented and behaves more closely to
|
|
other implementations (silly as that behavior is).
|
|
Significant speedup to sed s/a/b/g on a megabyte long line (it was
|
|
O(n^2) and now it's quite snappy).</p>
|
|
|
|
<p>Several cases of warning about stdout failing to write were silenced
|
|
because things like piping the output to head means stdout is a special
|
|
case: its output is often discarded and that's fine. And xprintf()
|
|
and friends only checks stdout for errors so it can exit early ("yes | head"
|
|
should not spin endlessly) without actually flushing anything.
|
|
There's an ongoing design debate about line buffering stdin and stdout
|
|
that'll have to be resolved next dev cycle.</p>
|
|
|
|
<p><u>Bugs</u>:
|
|
Elliott sent in a lot of fixes for building AOSP with toybox:
|
|
support for more date formats, sed substitution of empty capture groups
|
|
and an endless loop with -EPIPE, fixed find -path/-ipath, made loggit()
|
|
only feed LOG_AUTH to syslog when we have a tty, gave grep a bunch
|
|
of --longname synonyms for short options, added getfattr --only-values,
|
|
and timeout --foreground --preserve-status and --signal.</p>
|
|
|
|
<p>Top got a lot of tweaks: it no longer collates thread's CPU usage into the
|
|
parent thread (in -H mode), hides the cursor in interactive mode, updates the
|
|
display properly in batch mode, and accepts ENTER
|
|
as a synonym for SPACE when refreshing the display. The header lines
|
|
now abbreviate long numbers with units (via human_readable()),
|
|
more reliably spans the terminal width, and says "Thread" instead
|
|
of "Task" when it's showing threads. The task/thread count now adds up
|
|
(understanding more kernel states and treating unknown ones as "sleeping").
|
|
Top now treats -o "" as an error (previously it displayed an empty screen).</p>
|
|
|
|
<p>William Djupström pointed out login needs to chown() the tty, and made it
|
|
clear the environment when -p is absent.
|
|
Vidar Holen fixed inverted find -exec exit status.
|
|
Rob made chgrp() stop relying on libc's printf("%s", NULL) printing "(null)"
|
|
because a <a href=https://github.com/varnishcache/varnish-cache/issues/2879>newly added gcc bug</a> turns that into a build break, and
|
|
fixed an outright embarassing xstrndup() bug.
|
|
Liwugang fixed a segfault when stat's format string had a trailing %.
|
|
A missing else in grep meant -x was sometimes ignored.</p>
|
|
|
|
<p><u>Infrastructure</u>:
|
|
in the build scripts/portability.sh now tests that the compiler it's trying
|
|
to use exists up front. We no longer link against librt because on glibc that's
|
|
pulling in libpthread for some unknown reason.</p>
|
|
|
|
<p>TOYFLAG_ARGFAIL() lets commands return custom exit values when option parsing
|
|
fails (because AOSP build scripts cared), so timeout --unknown returns 125
|
|
and so on: chroot, diff, cmp, env, grep, nohup, and sort also use it now with
|
|
various values.</p>
|
|
|
|
<p>New FLAG() macros: FLAG(x) expands to (toys.optflags&FLAG_x) and returns
|
|
zero if the command line argument's bit isn't set and nonzero if it is
|
|
(meaning -x was or wasn't encountered on the command line this time by
|
|
lib/args.c). Lots of commands got converted to use them.</p>
|
|
|
|
<p>New lib/env.c with reset_env(), xsetenv(), and xunsetenv() which frees
|
|
the old environment variable when it wasn't inherited from exec(). This
|
|
lets long-running loops reset environment variables without memory leaks.</p>
|
|
|
|
<p>New xnotify() plumbing in lib/portability.c with Linux and Mac versions
|
|
(which should also work on BSD).</p>
|
|
|
|
<p>New xparsedate() and xvali_date() functions allow date, tar --mtime, and
|
|
touch to understand the same date formats,
|
|
xpopen_both() now knows how to use existing filehandles for the child's
|
|
stdin/stdout, and no longer redirects stderr (which hides errors),
|
|
new nanomove(), nanodiff(), union socksaddr, xrecvwait(),
|
|
and human_readable_long() to show more than 3 digits of output.</p>
|
|
|
|
<p>Taught xgetaddrinfo() to return a wildcard address for a NULL host,
|
|
xconnbind() sets SO_REUSEADDR by default,
|
|
fileunderdir() returns the abspath to the file now (since we had to work
|
|
it out anyway), and
|
|
xabspath() uses O_PATH now (because Android's SELinux rules got more aggressive).</p>
|
|
|
|
<p>Several new xsendfile() variants, including sendfile_len() to copy
|
|
a specific amount of data and xsendfile_pad() to append zeroes to the
|
|
output when there isn't enough input.</p>
|
|
|
|
<p>regexec0() is now using libc's REG_STARTEND supported by every libc out
|
|
there _except_ musl. (It originated in BSD and was adopted by glibc, bionic,
|
|
and uClibc 15 years ago, and is also supported in macosx. Musl's maintainer
|
|
<a href=https://www.openwall.com/lists/musl/2013/01/15/26>turned down</a>
|
|
the feature request as an invalid use case he didn't think they should
|
|
be trying to do.)</p>
|
|
|
|
<p><u>Docs</u>:
|
|
the <a href=license.html>license page</a> now has an SPDX identifier, and links to more
|
|
history/context. The actual LICENSE file had its title line removed
|
|
so <a href=https://github.com/github/choosealicense.com/pull/643#issuecomment-463746027>github could recognize it</a> as 0BSD. (We're still waiting for
|
|
"<a href=https://github.com/github/choosealicense.com/pull/643#issuecomment-464380789>a while</a>" to pass before github actually does, though.)</p>
|
|
|
|
<p>A new www/doc/mount.txt file describes how mount works under the covers.</p>
|
|
|
|
<p>Rob consistently misspelled "canonical" and "millisecond", mountpoint
|
|
has a synopsis now,
|
|
Kevin van der Kamp fixed a typo in netstat's help text, and Elliott
|
|
Hughes fixed typos everywhere and made the tense, capitalization, and
|
|
punctuation of help text more consistent.</p>
|
|
|
|
<p>New paragraph in the code style part of design.html explaining that
|
|
"char* a, b;" is not how C works, and since you wind up with "char *a, b;"
|
|
anyway you might as well say that.</p>
|
|
|
|
<p>Given dreamhost's tendency to repeatedly delete the mailing list
|
|
archive, the nav bar on the left links to a backup web archive now too.</p>
|
|
|
|
<p>The FAQ now says why we do time based releases.</p>
|
|
|
|
<p><u>Testing</u>: Added VERBOSE=nopass to not show passing tests.
|
|
The test suite now does an rm -rf on testdir between each command so
|
|
debris files don't accumulate.
|
|
New skipnot function skips the next test if a command line fails, and
|
|
toyonly function only runs command when we're testing the toybox version
|
|
of command. (This isn't the same as TEST_HOST, the host version could be
|
|
toybox.)
|
|
The find -newer test calls "sleep .1" to avoid intermittently failing with an
|
|
identical timestamp.
|
|
Elliott added the start of a file.test rogues gallery.
|
|
No longer call lsattr in "make tests" because the behavior differs by
|
|
filesystem and it needs fixing somehow.</p>
|
|
|
|
<a name="08-02-2019" /><a href="#08-02-2019"><hr><h2><b>February 8, 2019</b></h2></a>
|
|
<blockquote>
|
|
<p>"Most readers get as far as the Future Semiconditionally Modified
|
|
Subinverted Plagal Past Subjunctive Intentional before giving up; and
|
|
in fact in later editions of the book all pages beyond this point have
|
|
been left blank to save on printing costs."</p>
|
|
<p>- The Hitchhiker's Guide to the Galaxy</p>
|
|
</blockquote>
|
|
|
|
<p><a href=downloads/toybox-0.8.0.tar.gz>Toybox 0.8.0</a>
|
|
(<a href=https://github.com/landley/toybox/releases/tag/0.8.0>git commit</a>)
|
|
is out.</p>
|
|
|
|
<p>Toybox now builds on MacOS and FreeBSD, thanks to the efforts of Elliott
|
|
Hughes and Ed Maste respectively. Use the "make macos_defconfig" and "make
|
|
freebsd_defconfig" targets to enable the set of commands that compile on
|
|
each so far.</p>
|
|
|
|
<p><u>New commands</u>: Added an <b>sntp</b> client/server (RFC 4330 Simple Network Time
|
|
Protocol, a compatible subset of ntp). The <b>test</b> command was rewritten
|
|
and promoted out of pending.</p>
|
|
|
|
<p><u>New options</u>: <b>grep</b> now has --color, supports embedded NUL bytes in its input,
|
|
recognizes binary files, and passes all of grep.test (in case you
|
|
needed the middle numerical field of -bB, etc).
|
|
Josh Gao added ipv6 and UDP support to <b>netcat</b>.
|
|
Volodymyr Medvid reported that install -d doesn't honor -o or -g.
|
|
Elliott Hughes did a lot of work to support hermetic Android/AOSP builds:
|
|
<b>mkdir</b> accepts both --parent and --parents as synonyms for -p, <b>touch</b> ignores -f,
|
|
<b>basename</b> added -s to remove a trailing suffix, <b>dirname</b> now supports multiple
|
|
arguments, <b>cmp</b> accepts --quiet and --silent as synonyms for -s, <b>hostname</b>
|
|
added -sfd, <b>head</b> added --bytes as a synonym for -c and --lines as a synonym
|
|
for -n, <b>mktemp</b> added -t and fixed -u, <b>sed</b> added -z and -iEXT to keep backup files,
|
|
<b>md5sum</b> and sha1sum added --status and --check as synonyms -s and -c,
|
|
<b>readlink</b> added --canonicalize as a synonym for -f, <b>sort</b> grew -V,
|
|
<b>patch</b> added -s its synonym --quiet, <b>stat</b> added --format as
|
|
a synonym for -c, <b>xargs</b> added -p -t -r,
|
|
Eduardas Meile asked
|
|
that <b>umount</b> ignore -c. Reverend Homer added a small optimization to file.c,
|
|
and Elliott taught <b>file</b> to recognize riscv ELF binaries. Peter Collingbourne
|
|
taught <b>ls</b> -t to use the nanoseconds field.
|
|
<b>patch</b> has better support for patching a file with a tab in the name.</p>
|
|
|
|
<p><u>Bugfixes</u>:
|
|
<b>cp</b> --preserve was segfaulting when you didn't specify _what_ to
|
|
preserve (it now correctly defaults to "mot") and didn't get the permissions
|
|
right when copying a symlink's contents as a regular file,
|
|
<b>sort</b> -x didn't work when
|
|
attached to a key, <b>host</b> didn't allocate a big enough buffer for worst
|
|
case ipv6 address size, <b>sed</b> needed a ; between b and } when other
|
|
implementations don't (we're already well past what posix says but a script
|
|
out in the field broke...),
|
|
and several fixes to <b>hostname</b> in a container, <b>ps</b>/<b>top</b> were
|
|
misreading the VIRT and SHM fields.</p>
|
|
|
|
<p><u>Pending</u>: Gavin Howard updated <b>bc</b> and added more tests,
|
|
Marius Adaskevicius pointed out <b>mdev</b> -s should follow symlinks,
|
|
Yangchun Fu reported a <b>dhcp</b> checksum bug, <b>modprobe</b> needed errno reset
|
|
to avoid reporting spurious errors in verbose mode and no longer
|
|
exits with status 1 if it can't find /etc/modprobe.conf, the <b>more</b> command
|
|
wasn't always flushing stdout when it exited.</p>
|
|
|
|
<p><u>Build</u>:
|
|
<b>chrt</b> no longer #warns about the musl sched_get_priority_min() bug, but
|
|
instead works around it.
|
|
We were mixing setjmp/siglongjmp (harmless in some contexts but it kind
|
|
of annoyed FreeBSD), and
|
|
make install_airlock now adds sha256sum (because the Linux 4.20 build now
|
|
needs that for the s390x target).</p>
|
|
|
|
<p><u>Coding style</u>:
|
|
Rob converted the rest of the option GLOBALS() to the new single letter
|
|
coding style, and the new FLAG(x) macro is a slightly tidier way to say
|
|
"toys.optflags&FLAG_x".
|
|
Removed CFG_SORT_BIG (the sort command always
|
|
has the full functionality now. The general future direction or toybox
|
|
is to either have a command or not have it; multiple versions of the
|
|
same command aren't worth the complexity in testing, documentation,
|
|
or system adminstration).</p>
|
|
|
|
<p><u>Library code</u>:
|
|
The mkflags plumbing can now support arbitrary punctuation as option
|
|
names via an escape syntax (because mkfs.vfat specifies an offset with -@),
|
|
and lib/args.c now only sets FLAGS_NODASH when the first argument
|
|
didn't have a dash (allowing "ps ax" and "ps -ax" to behave differently).</p>
|
|
|
|
<p>Added an xrename() function,
|
|
xchdir() has better error reporting, xconnect()/xbind() had their
|
|
implementations merged, xsendto() moved from ping to lib, xpoll() now
|
|
measures elapsed time and only waits for the remaining period when restarted,
|
|
and Eduardas Meile converted several error_exit() to error_exit_raw() (because
|
|
yocto 2.6 buils with -Werror=format-security by default).</p>
|
|
|
|
<p>There's a scripts/portability.sh now which lets the build use gsed and gmake
|
|
(when available) in more places to avoid broken host versions on MacOS and FreeBSD.
|
|
The syntax of the "noreturn" attribute
|
|
changed slightly, some calls to strnstr() were replaced with strcasestr(),
|
|
we work around MacOS' lack of features.h, portability.h can now do Apple's
|
|
endianness macros, and so on.</p>
|
|
|
|
<p>Following the <a href=faq.html#support_horizon>seven year rule</a>
|
|
Elliott removed support or glibc 2.10, and also
|
|
reformatted a lot of --help text for consistency (removing trailing
|
|
periods and such).</p>
|
|
|
|
<p><u>Test suite</u>:
|
|
The test suite now has its own version of "pending", specifically "make tests"
|
|
skips test files without the executable bit set (unless you export $TEST_ALL).
|
|
This eliminates "expected failures" (I.E. files with unresolved todo items)
|
|
from the global regression test. Additional tests can be added to the global
|
|
regression test with chmod +x as the todo items they document get resolved.</p>
|
|
|
|
<p>Several places the test suite got fluffed out, including guards to skip
|
|
root-only tests when run as a normal user. The testcmd function prints the
|
|
short name instead of the full path to the command.
|
|
The tests for the test command
|
|
("test.test") no longer test the shell builtin but correctly test the
|
|
toybox command. (Now say that ten times fast.)</p>
|
|
|
|
<p>Bash version skew required replacing "continue" with "return" to stop
|
|
tests early in bash 4.4 (for VERBOSE=fail).</p>
|
|
|
|
|
|
<a name="31-10-2018" /><a href="#31-10-2018"><hr><h2><b>October 31, 2018</b></h2></a>
|
|
<blockquote><p>
|
|
"In the beginning the Universe was created.
|
|
This has made a lot of people very angry and been widely regarded as a bad move." - The Hitchhiker's Guide to the Galaxy.
|
|
</p>
|
|
</blockquote>
|
|
|
|
<p><a href=downloads/toybox-0.7.8.tar.gz>Toybox 0.7.8</a>
|
|
(<a href=https://github.com/landley/toybox/releases/tag/0.7.8>git commit</a>)
|
|
is out (a month late).</p>
|
|
|
|
<p>Toybox <a href=http://lists.landley.net/pipermail/toybox-landley.net/2018-October/009769.html>now builds</a> with the Android NDK (r18 release), almost out of the box.
|
|
You have to add an "llvm-cc" symlink to "clang", then use CROSS_COMPILE=llvm-
|
|
with the appropriate $PATH (or absolute path in CROSS_COMPILE) for the
|
|
target you want to build for. (To run it on a non-android host, you probably
|
|
want "LDFLAGS=--static" too.)</p>
|
|
|
|
<p><u>New commands</u>: <b>i2cdetect</b>, <b>i2cdump</b>, <b>i2cget</b>, and <b>i2cset</b>
|
|
courtesy of Elliott/Android. The <b>watch</b> command got a complete (tty-aware)
|
|
rewrite, and was promoted out of pending. The <b>prlimit</b> command is back
|
|
(a configuration bug was always disabling it), and <b>ascii</b> now defaults y
|
|
in defconfig (an oversight).</p>
|
|
|
|
<p><u>New options</u>:
|
|
The <b>ifconfig</b> command added -S (short view) giving one line of
|
|
information per interface, in "name ipv4/mask macaddr [ipv6/mask@type...]"
|
|
format. <b>grep</b> grew binary file detection, with -I and -a options to
|
|
ignore them or force treating them as ascii (really utf8).
|
|
Zach Van Rijn asked for <b>find -empty</b>.
|
|
In the <b>file</b> command, Elliott improved java
|
|
.class support and added .wav, .bmp, and android .dex.
|
|
Elliott also added "getconf -a" and a lot of missing getconf symbols the
|
|
AOSP build uses, including support for pathconf(3) symbols requiring two
|
|
arguments. This means getconf's arguments work more like ubuntu's
|
|
now (one or two arguments, not iterating through the supplied list and
|
|
processing each like last release), and -l grew section identifiers (so
|
|
the "getconf -l" output is no longer a directly consumable list of symbols
|
|
it takes).
|
|
Command line options specifying durations (like top -d or ping -i) can
|
|
now use fractions and units, like "1.5" and ".1m". See "toybox --help" for
|
|
details.
|
|
Toybox now dereferences one layer of symlinks if it doesn't recognize the
|
|
name it's called under (so if you "ln -s $(which sleep) blah" and then
|
|
"./blah 30", it should figure out you mean sleep 30).</p>
|
|
|
|
<p><u>Pending</u>:
|
|
Gavin Howard contributed a large new <b>bc</b> implementation to pending,
|
|
which covers everything the kernel build needs (and more) but is going to
|
|
take a while to review.
|
|
In <b>diff</b> the android guys added --color and timestamps on the
|
|
+++/--- lines. In <b>mdev</b> Faustas Azuolas Bagdonas added support
|
|
for mdev.conf's fourth field. Reverend Homer suggested an error message
|
|
improvement in <b>wget</b>, Kevin Spiteri did a cleanup pass on test.c,
|
|
and there was a cleanup pass on the passwd command.</p>
|
|
|
|
<p><u>Bugfixes</u>:
|
|
Elliott responded to a bug in <b>getconf</b>'s sed-based header generation by
|
|
replacing it with a more conventional array of #defined symbols, with #ifdefs
|
|
for missing symbols on the three libc implementations (glibc, bionic, musl)
|
|
we've tested so far. (This requires portability.h work to add new supported
|
|
build environments, but at least it works on bionic now.)
|
|
The <b>file</b> command now fails gracefully when reading pathologically
|
|
broken ELF files (the tests for integer overflow missed one), and
|
|
<b>date</b> no longer shows a meaningless errno when it can't parse the
|
|
date format.
|
|
Several fixes in <b>ping</b> (-w and -W didn't work, -c kept sending packets
|
|
while waiting for replies, and when no reply packets were received the summary
|
|
data was printed twice).
|
|
Elliott fixed <b>wc</b> column widths (traditional reality doesn't match
|
|
posix), fixed <b>modprobe</b>'s error handling (reported by Wen Xie), and
|
|
also fixed the units on blockdev --blkraget (reported by Martijn Coenen).
|
|
Several small fixes to the <b>stat</b> command's output (help text, quoting
|
|
style, leading zeroes, switch -f from %t to %T), <b>oneit</b> no longer
|
|
reboots the system when it's not called as PID 1.
|
|
Last release's commit letting $STRIP be redefined had a typo.
|
|
Nick Kralevich added an istty() check before calling TIOCGWINSZ (which
|
|
triggered Android's strict ioctl filtering on non-filesystem fifos).
|
|
An unstripped build (where the "strip" command fails for a given
|
|
CROSS_COMPILE) will now overwrite the (read-only) output file instead of
|
|
failing a rebuild. The dirtree plumbing no longer prints a "No" on front
|
|
of the filename in error messages (such as "permission denied").</p>
|
|
|
|
<p><u>Docmentation</u>
|
|
Elliott updated the roadmap with Android AOSP status, towards turning that
|
|
into a hermetic build (hopefully with an eventual self-hosting option, work
|
|
is <a href=b33d37d6f735>already underway</a> on the airlock step).
|
|
Rob added a little more context for LSB and described the move from Aboriginal
|
|
Linux to mkroot.
|
|
The <b>ps</b> help text changed: now "ps -o help" shows the fields and the normal
|
|
--help is much more manageable. Ifconfig's --help text also got tidied up.
|
|
Our LICENSE file has the SPDX identifier (0BSD) now, and the note about
|
|
the kconfig/ subdirectory still having (build only, non-shipping) GPL code
|
|
in it moved into the kconfig subdirectory.</p>
|
|
|
|
<p><u>Coding style change:</u>
|
|
GLOBALS() now uses the argument letter as the variable
|
|
name for variables automatically set by command line arguments via lib/args.c,
|
|
and no longer requires they be one per line.
|
|
Removed use of the gcc
|
|
\e extension in string constants, replacing it with \033.</p>
|
|
|
|
<p><u>Library code:</u>
|
|
lib/interestingtimes.c was renamed to lib/tty.c.
|
|
The deflate code from toys/pending/compress.c moved to lib/deflate.c,
|
|
which gunzip.c now uses when it's not configured to use zlib. (This reduces
|
|
the bootstrap dependencies for the "airlock" step of a hermetic build.)
|
|
The compression side remains a todo item.
|
|
Added "%" to lib/args.c reading seconds (including fractions/units) into a
|
|
long milliseconds argument. Redid xparsetime() to not need floating point,
|
|
added xparsemillitime() for milliseconds common case, and
|
|
parsetime() now treats leading garbage as an error instead of returning zero.
|
|
The bufgetpwuid()/pufgetgrgid() functons can now handle more than 4k of group
|
|
data. The set_terminal() function can now set serial speed, and microcom.c
|
|
uses it. Added xsignal_flags(), and more consistently use xsignal() (which wraps
|
|
sigaction()) instead of signal().
|
|
A new xgetrandom() function calls the new getrandom() system call, falling
|
|
back to /dev/urandom on older kernel/libc (made to actually _work_ by
|
|
Patrick Oppenlander).</p>
|
|
|
|
<p><u>Build infrastructure:</u>
|
|
Updated dependency detection so "make distclean defconfig toybox" now works
|
|
all on the same command line. (This is nice when $CROSS_COMPILE changes).
|
|
scripts/config2help.c no longer includes parts of lib/ and just copies what
|
|
it needs into itself, improving build portability.
|
|
The build now checks the specified cross compiler exists, hopefully providing
|
|
a more informative error message when it doesn't. Similarly, when .config is
|
|
missing the error message suggests running make defconfig.</p>
|
|
|
|
<a name="23-06-2018" /><a href="#23-06-2018"><hr><h2><b>June 23, 2018</b></h2></a>
|
|
<blockquote>
|
|
<p>There is a theory which states that if ever anyone discovers exactly what
|
|
the Universe is for and why it is here, it will instantly disappear and be
|
|
replaced by something even more bizarre and inexplicable. There is another
|
|
theory which states that this has already happened.</p>
|
|
<p> - The Hitchhiker's Guide to the Galaxy</p>
|
|
</blockquote>
|
|
|
|
<p><a href=downloads/toybox-0.7.7.tar.gz>Toybox 0.7.7</a>
|
|
(<a href=https://github.com/landley/toybox/releases/tag/0.7.7>git commit</a>)
|
|
is out.</p>
|
|
|
|
<p><u>New commands</u>: Rob Landley added <b>getconf</b>, Elliott Hughes added
|
|
<b>uuidgen</b>, and <b>ping</b> and <b>fmt</b> were promoted out of pending.</p>
|
|
|
|
<p><u>New options</u>: The <b>cp</b> command added the --parents option,
|
|
<b>readlink</b> now has -m to show where a missing path would be,
|
|
<b>netstat</b> got some updates (better nommu support, it can use /etc/services
|
|
names, more command line options are bounds checked),
|
|
Ng Zhi An added --getra and --setra (get/set readahead) to <b>blockdev</b>,
|
|
Elliott Hughes added <b>xxd</b> -o and made <b>top</b> -d understand fractional
|
|
sections (because the Linux Test Project uses that), and
|
|
Minghui Liu added <b>watch</b> -b.</p>
|
|
|
|
<p><u>Bugfixes</u>: Several fixes to <b>vmstat</b>: Elliott Hughes made it work on a
|
|
48-core machine
|
|
and fixed a glitch with -n, Haroon Maqsood pointed out "vmstat 1 1" didn't
|
|
stop and "vmstat -n" didn't print the first theader line.
|
|
Minghui Liu fixed a bug where <b>cp</b> -p didn't preserve
|
|
timestamps, and pointed out the b, c, and d suffixes on numbers weren't
|
|
working. Ryan Pritchard pointed out that <b>du</b> -d0 should act like du -s.
|
|
Filip Perich made an RFC2347 OACK compliance fix to <b>tftp</b> in pending.
|
|
Zach van Rijn fixed a bug in <b>xxd</b> causing incorrect translation of
|
|
uppercase characters.
|
|
Elliott fixed several things in <b>top</b> (removed spurious '\r' characters from -b
|
|
output, removed interactive flicker, made running processes bold), and
|
|
pushed Rob to make <b>file</b> work better recognizing things on stdin
|
|
("cat /bin/ls | file -" still won't work but "file - < /bin/ls" should).
|
|
Rob fixed a bug in <b>netstat</b> on 64 bit big endian systems,
|
|
and fixed <b>cut</b> -DF
|
|
(a posix compliance fix broke its ability to act as a decent awk replacment
|
|
because outputting all delimiterless lines isn't what you want there, -D
|
|
now disables that too).</p>
|
|
</u></p>
|
|
|
|
<p><u>Documentation</u>: Rob added a buildroot section to the roadmap with the
|
|
prequisites that needs to run, and reformatted more of the ps --help text
|
|
to two columns.</p>
|
|
|
|
<p><u>Library</u>:
|
|
FLAGS_NODASH is now set in toys.optargs when an optstring starting
|
|
with & has no dash in its first argument. (This lets "ps -ax" and "ps ax"
|
|
behave differently.) Factored out xtestfile() into lib/.
|
|
The comma-separated-list parsing infrastructure moved to lib/commas.c.
|
|
Added mkpath() for the common case of mkpathat() and #defined MKPATHAT_*
|
|
constants for the uncommon cases. Elliott added better error checking
|
|
to xparsetime() and fixed a bug in names_to_pid() (used in <b>pidof</b>
|
|
and <b>killall</b> and such).
|
|
Rob inlined the old toys/e2fs.h into pending's mke2fs,
|
|
and removed a rogue semicolon from the WOULD_EXIT() macro that screwed
|
|
up if() statement levels. The do_lines() semantics changed adding a
|
|
callback(0,0) at the end of each file.</p>
|
|
|
|
<p><u>Tests</u>:
|
|
The test_* commands under toys/example were all renamed demo_* so
|
|
they don't share a namespace with running a standalone command
|
|
through the test suite (ala "make test_sed"), then
|
|
demo_human_readable became demo_number so it can also test atolx()
|
|
suffixes. The readlink.test was getting confused by a
|
|
behavior difference between toybox and ubuntu (Ubuntu's ln -sf wouldn't
|
|
replace a symlink that pointed to itself, toybox's would), now there's
|
|
an explicit rm so it works on ubuntu too. The test suite plumbing's
|
|
error message for a test with the wrong number of arguments now
|
|
correctly identifies which test it's complaining about, and it can now
|
|
run a test on a command name beginning with "-" (none yet but it
|
|
comes up in toysh).</p>
|
|
|
|
<p><u>Building</u>: You can now override strip with $STRIP. The set of
|
|
"make install_airlock" commands got tweaked for the 4.17 kernel (which
|
|
needs bison and flex because the new kconfig plumbing doesn't have _shipped
|
|
versions of those generated files like the old kconfig did), and for
|
|
the new release (remove ping, toybox provides it now).
|
|
$LDFLAGS now applies to library probing (the android NDK provides
|
|
dynamic libraries without corresponding --static versions).
|
|
Elliott took a CFG_TOYBOX_DEBUG check out of an error_exit() to make
|
|
clang stop complaining about an error that should never happen.</p>
|
|
|
|
<a name="24-02-2018" /><a href="#24-02-2018"><hr><h2><b>February 24, 2018</b></h2></a>
|
|
<blockquote><p>
|
|
"Arthur," said Ford.<br />
|
|
"Hello? Yes?" said Arthur.<br />
|
|
"Just believe everything I tell you, and it will all be very, very simple."<br />
|
|
"Ah, well, I'm not sure I believe that."<br />
|
|
</p>
|
|
<p> - The Hitchhiker's Guide to the Galaxy</p>
|
|
</blockquote>
|
|
|
|
<p><a href=downloads/toybox-0.7.6.tar.gz>Toybox 0.7.6</a>
|
|
(<a href=https://github.com/landley/toybox/releases/tag/0.7.6>git commit</a>)
|
|
is out, a month and change late.</p>
|
|
|
|
<p>This release adds a <b>crc32</b> command and
|
|
cleans up and promotes <b>iconv</b>, <b>logger</b>, and <b>setfattr</b>.
|
|
Pending added <b>stty</b> and <b>fmt</b>, the other half of <b>ping</b>,
|
|
and got a lot of cleanup on <b>gzip</b>/<b>gunzip</b>/<b>zcat</b>.</p>
|
|
|
|
<p>The <b>cut</b> command got a complete rewrite adding support for multiple
|
|
ranges, utf8/unicode characters, and new -CDFO options. Use -C to measure
|
|
columns rather than characters (for double width chars), and "cut -DF 3-5"
|
|
selects words (like "awk '{print $3 $4 $5}'").</p>
|
|
|
|
<p>This release adds <b>top -m</b> and <b>iotop -H</b> (and fixed top width truncating for narrow terminal windows),
|
|
added <b>iconv -c</b>, fixed <b>ps -T 1234</b> to show threads belonging to
|
|
that PID, improved <b>file</b>'s executable identification (properly recognizing
|
|
both endiannesses and adding sh/frv fdpic, bpf, and new microblaze
|
|
identifiers), and <b>blkid</b> now only shows LABEL= when it isn't blank.</p>
|
|
|
|
<p>Running ./configure now does "make defconfig", help_exit() now shows the
|
|
"See %s --help" message on the same line, and several web pages
|
|
(about, code, roadmap, cleanup) got updates.</p>
|
|
|
|
<p>Elliott and the Android devs added <b>df -i</b>, <b>uptime -p</b>,
|
|
<b>time -v</b>, and <b>xxd -i -ri</b>,
|
|
fixed <b>id -G</b> to only output the group IDs, fixed the <b>xargs -0 -n</b>
|
|
combination, made <b>find -exec +</b> obey ARG_MAX (just like xargs), made
|
|
<b>killall</b> kill scripts too, fixed an off by one error in <b>pidof</b>
|
|
that could cause false positive matches in 15 character names, added
|
|
gzip/gunzip/zcat tests, and taught <b>file</b> to identify more stuff
|
|
(ogg, TrueType font, LLVM bitcode, PEM certs, and PE executables), and
|
|
for some reason needed TOYBOX_VENDOR in the version stuff.
|
|
Android <b>getprop</b>/<b>setprop</b> now allows ro. properties to have
|
|
arbitrary lengths, <b>losetup</b> can now find loop devices under /dev/block (where android puts
|
|
them for historical reasons), and Andreas Gampe pointed out a thinko in
|
|
<b>top</b> that triggered llvm's address sanitizer checks.</p>
|
|
|
|
<p>Gael PORTAY asked for mdev to work when Linux has the
|
|
block layer configured out, Patrick Oppenlander pointed out a problem
|
|
with make bloatcheck's build dependencies, and
|
|
xuphung on github fixed config2help building on MacOS X.</p>
|
|
|
|
<p>Commands with locale support now setlocale(LC_TYPE, "C.UTF-8") for more
|
|
targeted locale support (enable character parsing with
|
|
utf8 support, use "C" semantics otherwise). The toys/example/test_*.c
|
|
commands got renamed demo_*.c.</p>
|
|
|
|
<p>In lib.c the millitime() function returns current unix time in milliseconds
|
|
(which as a 64 bit number is good for + or - 292 million years from
|
|
midnight Jan 1 1970), and the old xgetty() function became tty_fd() returning
|
|
-1 instead of erroring out.</p>
|
|
|
|
<p>The "make help" text moved from the Makefile to scripts/help.txt,
|
|
ls.c now lists some of its deviations from posix, and work is underway
|
|
to make ps.c more intelligible (and figure out how to break it up into
|
|
multiple files).</p>
|
|
|
|
<a name="12-10-2017" /><a href="#12-10-2017"><hr><h2><b>October 12, 2017</b></h2></a>
|
|
<blockquote><p>Would it save you a lot of time if I just gave up and went
|
|
mad now?</p>
|
|
<p> - The Hitchhiker's Guide to the Galaxy</p>
|
|
</blockquote>
|
|
|
|
<p><a href=downloads/toybox-0.7.5.tar.gz>Toybox 0.7.5</a>
|
|
(<a href=https://github.com/landley/toybox/releases/tag/0.7.5>git commit</a>)
|
|
is out.</p>
|
|
|
|
<p>This is another <b>mostly bugfix release</b>. I delayed it a bit trying to get some
|
|
of the many half-finished projects (dd, ping, lsof, iconv, cut, sysconf,
|
|
the cp --parents option...) finished/promoted/tested, but decided adding big
|
|
things at the end of the dev cycle would be too destabilizing.</p>
|
|
|
|
<p>A couple <b>new features</b> slipped in anyway. Ilya Kuzmich added head -c
|
|
and strings -t (and corrected strings' output in a couple places). Elliott
|
|
Hughes taught file to recognize Macintosh (Mach-O) binaries.</p>
|
|
|
|
<p><b>NOTE</b>: the chrt command is broken when built against musl-libc
|
|
because that project's maintainer decided he didn't like the system calls
|
|
it depends on, so he
|
|
<a href=https://git.musl-libc.org/cgit/musl/commit/?id=1e21e78bf7a5>removed
|
|
them from his libc</a>. The prebuilt binaries are built against musl,
|
|
so the chrt command there will always say -ENOSYS. (It works fine built against
|
|
glibc, and presumably bionic or uClibc.)</p>
|
|
|
|
<p><b>Bugfixes</b>: Remounting (mount -o remount,rw) should work properly now,
|
|
and we fixed another place ps was segfaulting when /proc
|
|
entries vanished out from under us (a hard to hit race condition
|
|
mostly noticeable in long-running "top" exiting; error value was treated
|
|
as a pointer). Elliott Hughes fixed a -Wformat warning in expr.c,
|
|
and made xargs split the command
|
|
line at ARG_MAX (which is 1/4 the stack size ulimit, which normal users
|
|
can arbitrarily increase but execve() will complain if they don't).
|
|
Josh Gao made netcat -l exit after handling a request, and reported a
|
|
seq bug (seq "1000000 10000001" output 1e+06, fixed now). Zach Riggle fixed a
|
|
broken URL in the README. Rob fixed env -0 checking the flag wrong so
|
|
it didn't work in combination with other flags (typo).</p>
|
|
|
|
<p><b>Plumbing</b>:
|
|
Replaced mbrtowc() with a new utf8towc() that doesn't have a context
|
|
struct or care about locale. A bugfix in comma_scan() (wasn't removing an entry at the end
|
|
of the list) is why remount _sometimes_ worked (depending on argument
|
|
order), xgetaddrinfo() is now separate from xconnect(),
|
|
atolx_range() learned the w (word=2) suffix, and b is now (block=512) instead
|
|
of (byte=1).</p>
|
|
|
|
<p><b>Build</b>: Patrick Oppenlander added a workaround for a bug in config2help.c
|
|
that resulted in segfaults on newer toolchains. (It was actually a use
|
|
after free error; the build infrastructure isn't nearly as heavily audited as
|
|
code that gets installed on the target; oops.) A new GITHASH
|
|
environment variable can force the build version from
|
|
the command line, and the build checks for .git in the top directory
|
|
before asking git what our version is (so it isn't confused by ../../.git
|
|
in an enclosing directory). Added a build #warning about musl intentionally
|
|
breaking chrt (as with nommu fork() musl now provides a broken
|
|
stub function so compile-time probes for its existence think it's there, and
|
|
you can't run the result to test behavior when cross compiling).</p>
|
|
|
|
<a name="19-06-2017" /><a href="#19-06-2017"><hr><h2><b>June 19, 2017</b></h2></a>
|
|
<blockquote><p>It is a well-known fact that those people who most want to rule people are, ipso facto, those least suited to do it.
|
|
To summarize the summary: anyone who is capable of getting themselves made President should on no account be allowed to do the job.</p>
|
|
<p>- The Hitchhiker's Guide to the Galaxy</p>
|
|
</blockquote>
|
|
|
|
<p><a href=downloads/toybox-0.7.4.tar.gz>Toybox 0.7.4</a>
|
|
(<a href=https://github.com/landley/toybox/releases/tag/0.7.4>git commit</a>)
|
|
is out. No new commands this time, but
|
|
<b>chrt</b> and <b>dmesg</b> got promoted out of pending.</p>
|
|
|
|
<p><u>New features</u>:
|
|
Rob rewrote paste, which should work much better now, and added grep
|
|
-M and -S to match and skip wildcards respectively (useful with -r).
|
|
Elliott's updated dmesg has -T and --color. The file
|
|
command can recognize gzip now, uptime grew -s, date grew %N, env knows - as a first argument
|
|
means -i (posix!) and grew -0, ls defaults to -b
|
|
instead of -q now when there's a tty, and ls has a new -ll option (with
|
|
--full-time as a compatibility synonym) showing nanoseconds and (for some
|
|
reason) timezone. (Why do individual files have timezones?) Elliott added
|
|
"uudecode -o -" support. Illya Kuzmich taught head -v and -q. The cpio
|
|
code no longer adds the "TRAILER!!!" entry by default (initramfs extractor
|
|
doesn't care) without which you can concatenate cpio archives with "cat".
|
|
(Use the new --trailer option if you want the legacy behavior.)
|
|
In pending, fdisk compiles now and tar understands bzip2.</p>
|
|
|
|
<p><u>Build</u>:
|
|
The "make install_airlock" target now symlinks bc from the host because
|
|
the kernel <a href=https://landley.net/notes-2013.html#28-03-2013>inexplicably</a>
|
|
needs that to build. This was motivated by
|
|
<a href=https://github.com/landley/mkroot>mkroot</a>, which builds under
|
|
a toybox airlock directory.</p>
|
|
|
|
<p>Lots of work on the test suite, mostly from the Android guys who are now
|
|
running it under Android. This fixed several existing tests that didn't
|
|
pass, made more tests run on a toybox-only system, and so on. The test suite
|
|
infrastructure now has a second testing function,
|
|
"testcmd", which supplies the command name being tested (bypassing
|
|
shell builtins).</p>
|
|
|
|
<p>Various android build and config fixes, getting closer to being able
|
|
to let android someday use scripts/make.sh instead of generated/* snapshots.
|
|
Also more work into building under android's NDK; not quite there yet
|
|
but much closer.
|
|
Use nproc in scripts/make.sh detect available processors (so you can control the SMP level with taskset).
|
|
Removed the old uClibc compatibility glue, it's been 5 years since their
|
|
<a href=http://lists.busybox.net/pipermail/buildroot/2016-December/180102.html>last release</a>.</p>
|
|
|
|
<p>The new config option TOYBOX_PEDANTIC_ARGS checks arguments when there
|
|
are no arguments, so things like "uptime" no longer silently ignore arguments
|
|
you pass but instead refuse to run.</p>
|
|
|
|
<p><u>Docs</u>:
|
|
The FAQ now has more than one entry. Commands no longer output the full
|
|
help text for argument errors but instead just say "See %s --help" with the
|
|
command name (in addition to the actual error message).
|
|
Elliott did a big period-ectomy on all the --help text, and
|
|
we cleaned up some tab/space inconsistency. The
|
|
non-html help -a output now has separators with the command name.
|
|
The top/iotop and pkill/pgrep help text now describe a lot more of what
|
|
the commands can do. Twitter's code of conduct page went down so we
|
|
mirrored the text locally.</p>
|
|
|
|
<p><u>Bugfixes</u>:
|
|
Fixed a race condition in ps/top where a process that exited right as we
|
|
read its data returned a different error value than we were expecting (which
|
|
was causing long-running top instances to occasionally exit),
|
|
mount now gives an error if it can't autodetect the filesystem
|
|
type, ps no longer queries the terminal size when output isn't to a tty
|
|
(so "ps -A | cat" doesn't vary), date's chkmktime() was replaced with
|
|
simple range checks for fields (to avoid false positives from things like
|
|
timezones and daylight savings time), removed %s from date's help (we
|
|
didn't implement it, we have @seconds[.nanoseconds] instead), fixed
|
|
zcat's buffer flush logic (which was always failing on files larger
|
|
than 32k), and factor now detects requests for numbers >64 bits and fails
|
|
loudly instead of producing incorrect answers.
|
|
Elliott fixed touch -a/-m (they were backwards), and allowed ':' in
|
|
setprop's property names. Grep now exits with 2 for errors (so -q can
|
|
distinguish "didn't find" from "didn't work"), doesn't stop on symlinks
|
|
that point nowhere (there was an error_exit() that should just be a warning),
|
|
and provides error messages for files we could open but not read.</p>
|
|
|
|
<p><u>Library</u>:
|
|
New library functions: strend() complements strstart(), minof()/maxof()
|
|
are min/max macros that evalute arguments once and autodetect type (why
|
|
isn't this in libc?), xmmap() checks MAP_FAILED (which is not NULL).</p>
|
|
|
|
<a name="21-02-2017" /><a href="#21-02-2017"><hr><h2><b>February 21, 2017</b></h2></a>
|
|
<blockquote><p>Only six people in the Galaxy knew that the job of the
|
|
Galactic President was not to wield power but to attract attention
|
|
away from it. Zaphod Beeblebrox was amazingly good at his job.</p>
|
|
<p>- The Hitchhiker's Guide to the Galaxy</p></blockquote>
|
|
|
|
<p>Despite everything, <a href=downloads/toybox-0.7.3.tar.gz>Toybox 0.7.3</a>
|
|
(<a href=https://github.com/landley/toybox/releases/tag/0.7.3>git commit</a>)
|
|
is out. The <u>new commands</u> this time are <b>ftpget</b>, <b>ftpput</b>, <b>microcom</b>, and <b>ascii</b>.<p>
|
|
|
|
<p>We also had two command _demotions_ out of defconfig:
|
|
<b>hostid</b> got moved to toys/example and
|
|
switched to "default n" because despite <a href=http://pubs.opengroup.org/onlinepubs/9699919799/functions/gethostid.html>still being in posix</a>
|
|
the concept of a unique 32 bit number identifying a system is something
|
|
Linux outgrew about the time Pauline Middelink wrote the first IP
|
|
Masquerading code. And Elliott did a complete rewrite of <b>dmesg</b> introducing
|
|
two codepaths that I didn't get a chance to unify and didn't want to
|
|
hold up the release for, so that's back in pending.</p>
|
|
|
|
<p><u>New features</u>: Rob added units to <b>find</b> -atime and friends
|
|
(with the legacy -amin alias). Elliott added color and -w to dmesg, fallocate
|
|
-o, and improved file's ELF parsing. Steve Muckle added -d and finit_module
|
|
support to modprobe. Rob and Elliott tweaked the
|
|
ps/top display format a bit more (extending the USER field from 8 to 18 chars
|
|
and putting + at the end of string fields that got truncated).
|
|
df -a isn't entirely new, but wasn't documented and needed a bugfix.</p>
|
|
|
|
<p><u>Bugfixes</u>:
|
|
Last release broke oneit because -c didn't get moved to xopen_stdio() (oops).
|
|
Rob and Elliott simultaneously spotted ps padding each line to 99999
|
|
chars when there's no tty (serial console or adb); now it pads to 80 in
|
|
that case but also switches on -w to avoid field truncation. The "tty"
|
|
field also sometimes had trailing debris (that's fixed now). And "top" was
|
|
endlessly redrawing with out tty because receipt of the ANSI size probe
|
|
results would set SIGWINCH, and handling that sent another ansi probe. (Sigh.)
|
|
And while we're there, replace "ADDR" with "BIT" in ps -l so there are
|
|
more than 4 chars left for the "CMD" field on 64 bit systems.</p>
|
|
|
|
<p>Izabera pointed out that split -b and -l can't mix, and suggested seq should
|
|
multiply to avoid accumulating rounding errors from repeated fractional
|
|
increments. Wang Xiao Jian fixed a bug in sort -k.
|
|
Elliott let getprop use the @ character in property names, and
|
|
Dimitry Ivanov removed the name length limit for system properties.
|
|
Elliott also improved some error reporting and improved top -H's display
|
|
of thread names.
|
|
|
|
<p>Josh Gao pointed out that recursive operations on . and .. could be ignored
|
|
in chmod -R (and the resulting generic fix to dirtree_notdotdot() fixed
|
|
it in several other places).</p>
|
|
|
|
<p>Justin Cormack caught tar producing a warning to stdout that screwed up
|
|
"tar c" to stdout.
|
|
Rob fixed an option parsing bug (where switching off a --longopt in menuconfig
|
|
confused the parser), and another one where an option excluding itself
|
|
(ala "abc[-ab][!abc]" with "command -a -b") would segfault.</p>
|
|
|
|
<p>There's some sort of gcc stack over-optimization bug where musl-libc's
|
|
version of vfork() doesn't get marked with attribute(returns_twice) so
|
|
stack varabiles in the same function after that get semi-randomly overwritten
|
|
when the optimizer decides to reclaim the space. So add the attribute
|
|
to the function the XVFORK() wrapper macro calls. (It's a nommu thing.)</p>
|
|
|
|
<p>Fixed a couple variable size mismatch bugs that were only tested on 64 bit
|
|
(printf %x 64) or only tested on 32 bit (modprobe), removed some
|
|
unnecessary casts in stat.</p>
|
|
|
|
<p>Continuing attempts to build under Android NDK brought up that posix
|
|
defines the global 'stdout' as a macro, which older versions of bionic
|
|
turned into an array member, but a function was using it as an argument
|
|
name. (This worked in the AOSP build because it only builds against current
|
|
bionic, where there's a global 'stdout'.)</p>
|
|
|
|
<p>Several commits argued with clang's warning generation, eventually
|
|
settling on a variant of __attribute__((__shut_up__)).</p>
|
|
|
|
<p>Android should no longer give spurious error messages
|
|
when you "ps -A | head" about EPIPE on output. (Older versions of bionic
|
|
set an error handler on SIGPIPE, but it shouldn't do that now. More recent
|
|
versions of adb set the SIGPIPE handler to SIGIGN instead of SIGDFL,
|
|
leading to write returning an error message instead of silently killing
|
|
the program. So we set it back to the default.)</p>
|
|
|
|
<p><u>Docs</u>:
|
|
Removed website link to the gmane archive (which didn't survive gmane's
|
|
change of ownership). The FAQ now answers a _second_ question. (Woo!)
|
|
Some roadmap updates.</p>
|
|
|
|
<p><u>Build tweaks</u>:
|
|
Upgraded "make install_airlock" target to only warn about missing
|
|
commands (unless $PEDANTIC is set) when it sets up the hermetic build
|
|
path. (The plan is still to implement everything but the toolchain
|
|
binaries in toybox, but in the meantime we're symlinking other stuff from
|
|
the $HOST that isn't ready yet. See
|
|
<a href=https://github.com/landley/mkroot>mkroot</a> for an example using
|
|
this.)</p>
|
|
|
|
<p>Elliott and Rob continue to poke at building toybox with Android's NDK,
|
|
but it's a work in progress (<a href=http://lists.landley.net/pipermail/toybox-landley.net/2016-December/008767.html>thread</a>). Various changes
|
|
removing libcutils dependencies and adding an selinux dependency to getprop
|
|
are fallout from this.</p>
|
|
|
|
<p>Cross-compiling from Macs needs to use "gsed" instead of apple's
|
|
version, so teach the build to use that name if it exists in the $PATH.
|
|
If you try to build without running config first, you should get better
|
|
error reporting now. Added a workaround for Centos' broken "which" command
|
|
producing output when it _can't_ find a name in the $PATH.</p>
|
|
|
|
<p><u>Library</u>:
|
|
The new dirtree flag DIRTREE_PROC skips non-numeric entries so things
|
|
like ps and top can scan /proc more efficiently.</p>
|
|
|
|
<a name="21-10-2016" /><a href="#21-10-2016"><hr><h2><b>October 21, 2016</b></h2></a>
|
|
<blockquote><p>Probability factor of one to one. We have normality. I repeat,
|
|
we have normality. Anything you still can't cope with is therefore your
|
|
own problem.</p><p> - The Hitchhiker's Guide to the Galaxy</p></blockquote>
|
|
|
|
<p><a href=downloads/toybox-0.7.2.tar.gz>Toybox 0.7.2</a>
|
|
(<a href=https://github.com/landley/toybox/releases/tag/0.7.2>git commit</a>)
|
|
is out.</p>
|
|
|
|
<p>During this development cycle, Elliott Hughes <a href=http://androidbackstage.blogspot.com/2016/07/episode-53-adb-on-adb.html>got interviewed
|
|
on the ADB podcast</a>
|
|
and Rob Landley <a href=http://linuxluddites.com/shows/episode-88/>got interviewed on Linux Luddites</a> (<a href=http://linuxluddites.com/shows/episode-11/>again</a>).
|
|
Both talk about toybox and many other things.
|
|
The web page also grew a new <a href=faq.html>FAQ page</a>, currently with
|
|
just the one.</p>
|
|
|
|
<p>New comands added to defconfig are <b>tunctl</b>,
|
|
<b>log</b>, <b>start</b>, <b>stop</b>, and <b>sendevent</b>.
|
|
The commands <b>file</b> and <b>netstat</b> got promoted out of pending.
|
|
Pending added <b>chrt</b>, <b>setfattr</b>, and <b>getfattr</b>, and saw
|
|
a lot of cleanups to diffstat and dd but not enough to promote them to
|
|
defconfig yet. A new toys/net directory was added, moving ifconfig, netcat,
|
|
netstat, rfkill, and tunctl there so far.</p>
|
|
|
|
<p><b>Upgrades</b>: All commands now parse --version when they understand
|
|
--help, but "true" and "false" should now ignore their arguments entirely.
|
|
We taught stat to handle "%12x" and "%.12x" printf-style escapes, which
|
|
apparently other versions do. The ifconfig output now shows the interface's
|
|
device driver. Added patch -d and --dry-run, wc can now do -cm together,
|
|
find has a NOP -noleaf so scripts that use that don't break, add -c to md5sum
|
|
and sha1sum. Elliott taught ps to treat extra aguments as additional -p
|
|
pids, implemented xxd -s, did a number of upgrades to file (added -HL,
|
|
support for ar files, improved ELF support to report android API level
|
|
and stripped/not stripped and it no longer prints a guessed build ID type).
|
|
Elliott also added optional build-time support for using openssl's
|
|
assembly-optimized md5sum/sha1sum implementations (leading to a new
|
|
<a href=design.html>design</a> policy on shared libraries).</p>
|
|
|
|
<p><b>Bugfixes</b>: Too many fixes to "ps" and "touch" to list, from both
|
|
Elliott and Rob. Rob taught sed to handle s/[[:space:]/]// type sequences
|
|
properly, switched grep to a better
|
|
workaround for <a href=https://sourceware.org/bugzilla/show_bug.cgi?id=17829>glibc bug 17829</a>, made sed -i preserve ownership when run as root,
|
|
made du max out at 2 terabytes instead of 2 gigabytes on 32-bit systems
|
|
(it was always designed to, but was missing a typecast),
|
|
fixed the option parsing infrastructure (config options that remove command
|
|
line options got the placeholders wrong), fix to printf for printing
|
|
octal digits and handling the (posix-mandated) difference between %b and
|
|
non-%b octal output, reading from "-" no longer closes stdin when done,
|
|
netcat -L works with nommu (although it may need more portability work),
|
|
and you can now "make test_scankey" if you want to. Several commands
|
|
(stat, makedeves, chgrp, cp, find) handled user name lookup failure badly
|
|
(stat was segfaulting if you interrogated a file belonging to a nonexistent
|
|
user, "chown 12345 file" errored out if you didn't have that user
|
|
in /etc/passwd... now they should all print/accept the number when
|
|
appropriate). "LC_ALL=C ls -Cs --color" produces the same output
|
|
as other versions (two spaces padding, -k hardwired on).<p>
|
|
|
|
<p>Kyungsik Lee fixed a bug
|
|
in cp (readlink() doesn't actually null terminate the string it reads in),
|
|
Elliott Hughes made pgrep/pkill return success/failure, fixed trailing
|
|
whitespace in netstat, fixed a SMACK symbol conflict due to linux/xattr.h
|
|
changing, fixed ls -sh, and added a lot of
|
|
stuff to the <a href=roadmap.html>roadmap page</a>.
|
|
Izabera pointed out cmp -l and -s can't be selected at the same time,
|
|
that timeout was never actually checking -v, that ls should default to -q
|
|
when output is to a tty, and that "file -" would sometimes try to open "-"
|
|
instead of stdin.
|
|
Usischev Yury pointed out a use after free error, and that id shouldn't
|
|
call exit() directly. Matthias Urhahn pointed out that stat(2) returns
|
|
hardwired 512-byte units, so stat.c was wrong. David Hedges pointed out
|
|
that route could only handle 10 character interface names when the kernel
|
|
can do 15 (it's still in pending for a reason, but fixed). Evgenii
|
|
Stepanov found and helped diagnose one of the more subtle ps bugs fixed
|
|
this time around.</p>
|
|
|
|
<p>Calling "make test_blah" no longer causes make to error out if the last
|
|
test fails (and thus returns a nonzero error code).
|
|
Building single commands and the multiplexer used to require a "make clean"
|
|
between them (because they had different config files both of which were older
|
|
than generated/config.h so it didn't get rebuilt; now it just always
|
|
rebuilds it).</p>
|
|
|
|
<p>The defconfig build is now slightly less broken on older centos versions
|
|
(although <a href=http://lists.landley.net/pipermail/toybox-landley.net/2016-September/008664.html>the consensus</a> is that Centos is just generally broken).<p>
|
|
|
|
<p>Several commands were over-using xprintf(), which flushes its output
|
|
to check for error (something you only need to do maybe once per line,
|
|
and even then maybe only in loops because xexit() flushes and checks
|
|
ferror() for you and adjusts the exit code if we wrote stuff to stdout
|
|
that couldn't be printed). Lots of little flushes are inefficient,
|
|
so most things can use normal printf(). (Retransmission
|
|
of short writes is presumably libc's problem since it's buffering the
|
|
output and all.)</p>
|
|
|
|
<p><b>Library:</b>
|
|
New library functions readlink0() and readlinkat0() which properly null
|
|
terminates the symlink value (which the stock libc function inexplicably
|
|
doesn't).
|
|
The new do_lines() function interates reading lines from a filehandle
|
|
and calling a function on each line.
|
|
New function pollinate() factoring out netcat's poll() loop so things
|
|
like telnet can use it.
|
|
New functions getusername() and getgroupname() return a
|
|
char * given a uid/gid (and return a string representation of the number
|
|
if the lookup fails), and xgetpwnamid/xgetgrnamid were renamed to
|
|
xgetuid/xgetgid and now return an integer instead of a struct (also helping
|
|
handle lookup failures, you can still return the uid/get for "12345").</p>
|
|
|
|
<p>Switched atolx() to use long long internally.
|
|
Renamed xopen() to xopen_stdio() and made a new xopen() that never returns
|
|
stdin, stdout, or stderr (duping /dev/null into the filehandles as necessary).
|
|
New function xopenro() opens a file read only with one less argument, and
|
|
understands that "-" means stdin. New flag WARN_ONLY tells these functions
|
|
to just print a warning on failure, and return -1 instead of exiting.
|
|
Misc new functions like openro() which defaults to the WARN_ONLY behavior
|
|
and notstdio() which dup()s a filehandle up beyond stdin/out/err backfilling
|
|
with /dev/null as necessary. The WARN_ONLY flag let us remove the failok
|
|
argument from loopfiles().</p>
|
|
|
|
<p>New TOYFLAG_NOHELP disables --help processing (which "true" and "false"
|
|
should not do).</b>
|
|
|
|
<p>The test suite now has NOSPACE=1 to ignore whitespace (using diff -b to
|
|
check results), which helps TEST_HOST pass the same tests as toybox.
|
|
Fixes to chattr and date tests. It also has a new variable $C with the
|
|
absolute path to the command being tested (bypassing shell builtins),
|
|
and a function testcmd() which is just like testing() except it prepends
|
|
the command name ($C) to the test command line as well as the test
|
|
description.</p>
|
|
|
|
<a name="02-06-2016" /><a href="#02-06-2016"><hr><h2><b>June 2, 2016</b></h2></a>
|
|
<blockquote><p>When the 'Drink' button is pressed it makes an instant but
|
|
highly detailed examination of the subject's taste buds, a spectroscopic
|
|
analysis of the subject's metabolism, and then sends tiny experimental
|
|
signals down the neural pathways to the taste centres of the subject's
|
|
brain to see what is likely to be well received. However, no-one knows
|
|
quite why it does this because it then invariably delivers a cupful of
|
|
liquid that is almost, but not quite, entirely unlike tea.</p>
|
|
<p> - The Hitchhiker's Guide to the Galaxy</p></blockquote>
|
|
|
|
<p><a href=downloads/toybox-0.7.1.tar.gz>Toybox 0.7.1</a>
|
|
(<a href=https://github.com/landley/toybox/releases/tag/0.7.1>git commit</a>)
|
|
is out. (Yes, I forgot to update the --version string, but I already
|
|
uploaded the <a href=downloads/binaries/0.7.1>binaries</a>.)</p>
|
|
|
|
<p>The website has https support now, you can "make cat ps ls"
|
|
to get standalone commands (and "make list list_pending" to see what's
|
|
available), and a whole lot of bugfixes and new options to existing
|
|
commands.</p>
|
|
|
|
<h2>New Commands</h2>
|
|
<p>Rob implemented <b>ulimit</b>. In pending, Elliott Hughes implemented
|
|
file. and Lipi Lee implemented a simple wget. (Pending also had minor
|
|
cleanups to more and lsof, but no promotions this time around.)</p>
|
|
|
|
<h2>New Options</h2>
|
|
<p>Izabera implemented env -u, suggested adding seq -w, made factor
|
|
use full unsigned 64 bit math even on 32 bit platforms, pointed out base64
|
|
-w0 should disable wrapping, and sped up wc -c.
|
|
Elliott Hughes added mount -o relatime, xxd -p -r, and od -w.
|
|
Sameer Pradhan (or possibly Bilal Qureshi) suggested adding stat -tL -c %m%t%T.
|
|
Tom Cherry added getprop -Z. Paul Barker added hostname -b and -F.
|
|
Rob added ls -b, made ls -q work with utf8,
|
|
made sed -f - read from stdin, and added top -O (like ps -O).</p>
|
|
|
|
<p>Elliott and Rob <b>added Thread support to ps and top</b>,
|
|
with -o TID, TNAME. We also added -o PCY (android scheduling policy),
|
|
-o BIT (process is 32 or 64 bit), and -o TNAME now shows the parent
|
|
command name for threads.</p>
|
|
|
|
<h2>Documentation</h2>
|
|
|
|
<p>Rob added the sed invocations to convert tabs/spaces and back to
|
|
design.html. Isaac Dunham updated hexedit's help text.
|
|
Jakob Flierl pointed out a broken URL in the README.</p>
|
|
|
|
<p>Rob also redid the naming scheme of sed's pattern manipulation code to
|
|
remove the gratuitous references to Roger Zelazny's "Amber" series, since it
|
|
was confusing people.</p>
|
|
|
|
<h2>Bugfixes</h2>
|
|
|
|
<p>Grep -H and -n should now work properly with -ABC. Andy Chu pointed out an
|
|
out of bounds access for zero length lines in rev, fixed a buffer overflow
|
|
in diff -r, and fixed operator precedence in expr (although Rob is rewriting
|
|
chunks of expr so toysh can use its plumbing for $(( )) ).
|
|
Patrick Ohly fixed the too-aggressive suid permission dropping logic.
|
|
Josh Gao fixed a segfault when find -iname got no argument, and
|
|
made tail -f work right with just one file argument.
|
|
Tom Marshall cleaned up tar's long filename support and improved
|
|
the tar tests, and reported another find bug (with -iname -o -iname not
|
|
tracking copy lifetimes properly) that got fixed.</p>
|
|
|
|
<p>Elliott Hughes fixed wc -c to not trust zero length files to actually be
|
|
zero length (/proc does that), fixed "mount -o rw,remount /system" on
|
|
Android, removed trailing spaces on ps -o cmdline, fixed pkill -9 and
|
|
the corresponding tests, made "insmod -" work, fixed top -b and tail -NUM,
|
|
pointed out that ps shouldn't trim numeric fields for display size limits,
|
|
and added some more
|
|
explicit "sort" calls to make pipelines so build tempfiles are easier to cache.
|
|
Rob <a href=https://github.com/landley/toybox/commit/32b3587af261>fixed an insane sed thing</a> the perl 5.22 build was doing.
|
|
Fixed mount -o to properly pass in leftover string data, and
|
|
<a href=http://lists.landley.net/pipermail/toybox-landley.net/2016-March/004790.html>documented how to use toybox to mount nfs</a> (warning: kernel patch
|
|
to fix some bitrot in the kernel NFS driver's string parsing attached
|
|
to that message).</p>
|
|
|
|
<p>George Burgess IV corrected some variable types in traceroute.
|
|
Base64 now wraps == properly. Fixed two bzcat segfaults reported by
|
|
John Regehr. Andy Chu found a segfault in "sed -e 'c\'" with no trailing
|
|
line, and implemented mv -n and cp -n. The cyanogenmod guys pointed out that
|
|
cp -a shouldn't complain if a non-root user can't chown, and we added
|
|
the output path to cp -r error messages while we were there (before was just
|
|
the filename).</p>
|
|
|
|
<p>Samuel Holland fixed blkid's handling of vfat labels, and
|
|
fixed a segfault when basename was passed an empty string and an empty
|
|
suffix. Davis Mosenkovs fixed touch -t seconds parsing.
|
|
Rob fixed a bunzip bug reported by John Regehr (the bad CRC
|
|
error message was printing a NUL argument).</p>
|
|
|
|
<p>Not all of the commands build standalone, but more of them do now;
|
|
scripts/single.sh can now build a "mv" that isn't actually "cp".
|
|
The dependencies are more granualr, so "make top; make ps" no longer
|
|
produces a broken ps that ignores -A (because ps.o wasn't getting rebuilt
|
|
even though top had the FLAG macros for -A zeroed).</p>
|
|
|
|
<h2>Build</h2>
|
|
<p>Rob added a <b>warning when building commands out of
|
|
pending</b>. (The pending directory is full of code that hasn't been
|
|
properly vetted. Use at your own risk.)</p>
|
|
|
|
<p><b>New build targets let you build individual commands by name</b>, ala
|
|
"make ls cat ps", and you can run the test suite for each standalone
|
|
command with "make test_ls" and such.
|
|
"make list" shows all such standalone commands in defconfig, and
|
|
"make list_pending" shows unfinished commands from toys/pending
|
|
("make list list_pending" shows both together). "make clean" now deletes
|
|
these filenames at the top level, and the corresponding unstripped files
|
|
live in the directory generated/unstripped.</p>
|
|
|
|
<p>Nicholas Boichat suggested switching make.sh to use $! for process
|
|
enumeration during parallel builds (which is both more efficient and more
|
|
portable), and suggested shell builtin replacements for wc/awk/sed so the
|
|
build loop has fewer forks now.</p>
|
|
|
|
<p>Lots of work on the test suite, much of it due to Andy Chu. It now
|
|
consistently prints the name of the command being tested at the start of each
|
|
test (and the common infrastructure does that, not each individual test), and
|
|
"make tests" actually runs all the available tests now.
|
|
Seperated pgrep and pkill tests, split lsattr/chattr, added fstype and base64
|
|
tests. The "tests/files" directory now collects files for tests to
|
|
use, with blkid, bzcat, and utf8 subdirectories: the $FILES variable
|
|
gives a path to it, so "$FILES/blkid/ext2.bz2" and so on.
|
|
The testsuite now has test files with 3 different types of "not utf8 output"
|
|
sequences that require escaping, plus some combining character torture
|
|
tests, direction reversals, and so on.</p>
|
|
|
|
<p>Added dependencies on TOYBOX_FORK to various pending commands that need
|
|
nommu conversion (which should fix the allyesconfig build).</p>
|
|
|
|
<p>Static builds with selinux should work again.</p>
|
|
|
|
<h2>Library</h2>
|
|
|
|
<p>New bufgetgrgid() and bufgetpwuid() functions cache previous lookup info
|
|
rather than repeatedly traversing /etc/passwd and /etc/group (which is slow).
|
|
Added xpipe() to lib to catch pipe creation failure.
|
|
The HELP_ macros generated by config2help.c now use a capital prefix
|
|
to avoid collicing with help_exit() and such.</p>
|
|
|
|
<p>The dirtree infrastructure got a cleanup pass in preparation for adding
|
|
infinite recursion depth support (needed by rm -r), updated the
|
|
<a href=code.html#ib_dirtree>documentation</a> to describe the new
|
|
semantics (removing dirtree_start() and adding dirtree_flagread()).
|
|
Now dirtree_recurse() takes the new dirfd as an argument.</p>
|
|
|
|
<p>Split out _xexit() from xexit() and let sigatexit() set multiple
|
|
callbacks.</p>
|
|
|
|
<p>For years the man pages have said to #include <sys/types.h> to get
|
|
major/minor/makedev but now that glibc
|
|
<a href=https://sourceware.org/ml/libc-alpha/2015-11/msg00253.html>has vowed
|
|
to break existing programs</a> and replace it with another nonstandard header
|
|
not in posix or lsb, we added our own functions to lib/ to do the transform
|
|
ourselves (based on what the kernel actually expects).</p>
|
|
|
|
<h2>Portability</h2>
|
|
|
|
<p>Debian unstable started needing an extra header #include for some reason, and
|
|
although printf("%.*s", INT_MAX, s) worked fine on Ubuntu 12.04 it
|
|
didn't on 14.04, so added a workaround for that. Typecast a printf because
|
|
wchar_t isn't a rigidly defined size. RLIMIT_RTTIME was
|
|
added to the kernel in 2008 but you can't expect uClibc to have noticed yet,
|
|
nor did it #define MS_RELATIME (added in 2006), or prlimit (2010)...
|
|
(Given the improvements in musl and bionic, uClibc support may be dropped
|
|
in a future release.) Given that the xattr functions were added during
|
|
linux 2.5, we can #include its header unconditionally.</p>
|
|
|
|
<p>Renamed basename_r() to something else to avoid conflicting with freebsd's
|
|
libc, and both scripts/install.h and scripts/config2help.c no longer include
|
|
toys.h (to make cross-compiling from systems we don't run on easier).</p>
|
|
|
|
<p>Debian bug 635570 did something unspeakably nonportable, depending on
|
|
"sed -e 'a\'" (with no next line of the pattern, so an unterminated
|
|
continuation) to add a newline to the last line of input if and only if
|
|
that last line of the input didn't have a newline, and to take no other
|
|
action. This is well into "depending on a bug" territory, but we implemented
|
|
it because otherwise Debian's install broke. (Of course this behavior
|
|
is undocumented, non-obvious, and doesn't really make logical sense.)</p>
|
|
|
|
<p>CONFIG_TOYBOX_NORECURSE now disables the stack measuring logic (which
|
|
was giving some "security" code fits). Also we typecast pointers to (long)
|
|
before comparing them to avoid spurious compiler "optimizations" that
|
|
break the code.</p>
|
|
|
|
<a name="02-02-2016" /><a href="#02-02-2016"><hr><h2><b>February 2, 2016</b></h2></a>
|
|
<blockquote><p>"I checked it very thoroughly," said the computer, "and that
|
|
quite definitely is the answer. I think the problem, to be quite honest with
|
|
you, is that you've never actually known what the question is."
|
|
- The Hitchhiker's Guide to the Galaxy.</p></blockquote>
|
|
|
|
<p><a href=downloads/toybox-0.7.0.tar.gz>Toybox 0.7.0</a>
|
|
(<a href=https://github.com/landley/toybox/releases/tag/0.7.0>git commit</a>)
|
|
is out.</p>
|
|
|
|
<p>The new commands in defconfig are <b>iotop</b>, <b>top</b>, <b>pgrep</b>,
|
|
and <b>pkill</b>
|
|
(most replacing corresponding versions from pending). Added grep -ABC,
|
|
swapon -d (discard), mkswap -L (label) and UUID support, and find -delete.
|
|
Izabera added free -h and unshare -f. Josh Gao implemented tail -f.
|
|
Jose Bollo submitted cp --preserve=context,attr. Kylie McClain added
|
|
mktemp -u.</p>
|
|
|
|
<p>In pending there's the start of a vi command, and Sameer Pradhan contributed
|
|
a new dhcp6. This cycle saw several rounds of route cleanup and a little dhcp
|
|
cleanup, but neither are complete yet. Lipi Lee did some cleanup to netstat.c
|
|
and Elliott Hughes removed warnings from traceroute.</p>
|
|
|
|
<p>Lots of updates to ps: several new -o options, -k (--sort) -O and -M,
|
|
improved compatibility with Android's historical behavior, and
|
|
extensive internal code cleanup (including the removal of all
|
|
the magic constants).</p>
|
|
|
|
<h3><b>Website</b></h3>
|
|
|
|
<p>Dreamhost restored the <a href="#12-21-2015">missing 11 months</a>
|
|
to the mailing list archive, in the process deleting the month after
|
|
that. Now they've asked if I have mbox files archiving the new
|
|
gap (between December 20, 2015 to January 21, 2016, and presumably they
|
|
could also fill in the gap from December 14, 2014 to January 3, 2015 that's
|
|
been there since the last time they did this),
|
|
but due to some gmail filtering I've
|
|
<a href=http://landley.net/notes-2012.html#15-10-2012>never
|
|
been able to disable</a>, my copy of those files is spread among 3 different
|
|
mbox files I'd have to sort/filter/collate. (It's on the todo list.)</p>
|
|
|
|
<p>Added a code of conduct to the README (we're
|
|
<a href=https://engineering.twitter.com/opensource/code-of-conduct>borrowing twitter's</a>) because somebody
|
|
made it necessary.</p>
|
|
|
|
<h3><b>Bugfixes</b></h3>
|
|
<p>Fixed another sed bug where any ] right after [ was skipped (not just the
|
|
first one in the range, so [[] didn't terminate). Fixed sort -f and added test cases.
|
|
Assume 80 columns in "ls -m | cat", ls -L is no longer backwards,
|
|
and ls of files with no paths no longer uses an uninitialized (zero) dirfd.
|
|
Several bugfixes
|
|
to find (Gilad Arnold fixed -perm, Daniel K. Levy fixed "find . -exec echo {}",
|
|
and while we're there I fixed find --prune, made "find . -execdir
|
|
echo {} + -execdir ls {} +" work, and ripped out the environment size
|
|
measuring code that checked for a 128k limit removed back in linux 2.6.22).
|
|
Elliott Hughes fixed the date command's parsing of 4 digit
|
|
years and documented the %s escape, fixed hwclock -u, and pointed out
|
|
that runcon needs to exec to do its job (not recursively call another
|
|
command_main() in the same process). Tom Marshall reported that blkid was
|
|
handling ext2 wrong. Mike Moreton corrected cpio extraction's uid and gid
|
|
values, and added a --no-preserve-owner option. Fixed the SUID permission
|
|
dropping logic (which was a bit over-zealous, preventing some commands from
|
|
running at all).</p>
|
|
|
|
<p>I'm told that debian-testing broke its libc so the nsenter build breaks,
|
|
but my attempts to install the debian-testing network cd image under
|
|
qemu keep breaking. Maybe someday they'll fix it enough I can actually
|
|
reproduce the problem. (Debootstrap under unbuntu builds an ubuntu-flavored
|
|
chroot in which toybox builds fine.)</p>
|
|
|
|
<h3><b>Documentation</b></h3>
|
|
<p>Rewrite of the about.html page, tweaks to design.html, and a re-triage of
|
|
sbase in roadmap.html. Update to mkstatus.py to collate multiple span
|
|
tags with the same id, resulting in a larger status.html page (which
|
|
was previously ignoring some commands in the roadmap).</p>
|
|
|
|
<p>Expanded the defconfig/allyesconfig/allnoconfighelp text in "make help"
|
|
to explain what they're for.</p>
|
|
|
|
<h3><b>infrastructure</b></h3>
|
|
<ul>
|
|
<li><p>Expanded toys.optargs to 64 bits so a command can have more than 32 options.</p></li>
|
|
<li><p>Added NOEXIT() wrapper to turn xwrap() functions into warning versions
|
|
using the existing longjump(toys.rebound) infrastructure.</p></li>
|
|
<li><p>Renamed dirtree->data to dirfd and stopped storing symlink length
|
|
into it (this fixed a bug where following symlinks to directories
|
|
didn't give a valid directory filehandle, noticeable with ls -Z).</p></li>
|
|
<li><p>New TAGGED_ARRAY() infrastructure generates index and bitmask macros
|
|
for arrays of structures starting with a name string.</p></li>
|
|
<li><p>New lib/linestack.c for utf8 fontmetrics (draw_str() and utf8len()
|
|
and so on), and for tracking multiple lines of text
|
|
(vi, less, shell history) that need wordwrapping and scrolling up/down.</p></li>
|
|
<li><p>Upgrades to lib/interestingtimes.c: scan_key() now has a timeout
|
|
in milliseconds and recognizes more sequences including ANSI
|
|
window size probes. New utf8 test files in tests/files/utf8 including
|
|
sequence reversing, stacked combining chars, and all three types of
|
|
unprintable sequences (low ascii <32 ala ^X, invalid utf8 sequences ala
|
|
<AB><CD>, and invalid unicode code points ala U+1234).</p></li>
|
|
<li><p>More comma handling code in lib.c: comma_args()</p></li>
|
|
<li><p>Added error_msg_raw() to shut up fortify's endless static checking false
|
|
positives.</p></li>
|
|
<li><p>readfileat() can now realloc() in a loop to read long files
|
|
("zcat | insmod" needed it).</p></li>
|
|
</ul>
|
|
|
|
<h3><b>Roadmap</b></h3>
|
|
<p>We're getting close to having a self-hosting development environment
|
|
using toybox for the command line. The remaining busybox commands in
|
|
<a href=http://landley.net/aboriginal/about.html>Aboriginal Linux</a> are:</p>
|
|
|
|
<blockquote><p><b>
|
|
awk bunzip2 bzcat bzip2 dd diff expr fdisk ftpd ftpget ftpput gunzip gzip
|
|
less ping route sh sha512sum tar test tr unxz vi wget xzcat zcat
|
|
</b></p></blockquote>
|
|
|
|
<p>And the remaining non-busybox commands in Aboriginal Linux's build/host
|
|
directory (from the distcc, genext2fs, e2fsprogs, zlib, and squashfs packagesi)
|
|
are:</p>
|
|
|
|
<blockquote><p><b>
|
|
mke2fs fsck.ext2 resize2fs distcc genext2fs unsquashfs distccd mksquashfs tune2fs
|
|
</b></p></blockquote>
|
|
|
|
<p>Squashfs and distcc are probably out of scope for toybox, but mke2fs,
|
|
fsck.ext2, resize2fs, genext2fs, and tune2fs should all be added to the
|
|
above "busybox" replacement list.</p>
|
|
|
|
<p>Remind me to include this countdown in future releases. Once they've all
|
|
been replaced, the next goal is <a href=http://landley.net/aboriginal/about.html#selfhost>building AOSP under itself</a>.</p>
|
|
|
|
<p>See the full <a href=roadmap.html>roadmap</a> and <a href=status.html>status</a>
|
|
pages for more details.</p>
|
|
|
|
<a name="12-21-2015" /><a href="#12-21-2015"><hr><h2><b>December 21, 2015</b></h2></a>
|
|
|
|
<p>Yes, 11 months have gone missing from the mailing list web archive.</p>
|
|
|
|
<p>Yesterday evening Dreamhost's mailman server went down (timing out trying
|
|
to connect). I poked them about it, they
|
|
<a href=https://twitter.com/landley/status/678781271670149121>blamed
|
|
DNS</a>, I explained that the hang was _after_ the DNS lookup and
|
|
entered the dig info into the trouble ticket showing the IPs the DNS
|
|
queries were returning, they reinstalled the server at that IP from what I
|
|
assume was their most recent backup, and that's how 11 months of messages
|
|
vanished out of the archive.</p>
|
|
|
|
<p>I've <a href=https://twitter.com/landley/status/679114451975467008>continued to poke them about it</a> but I honestly believe that's the best they
|
|
can do. <a href=http://landley.net/dreamhost.txt>Last time</a>
|
|
this sort of thing <a href=http://landley.net/dreamhost2.txt>happened</a>
|
|
we went back and forth for months, so I added a link to a backup web
|
|
archive (in the nav bar on the left) that isn't controlled by dreamhost,
|
|
and thus doesn't gratuitously lose data on a regular basis. (I note
|
|
the earlier hole in Dreamhost's archive was never fixed either. That
|
|
was data never getting archived, this is a year's worth of data that
|
|
was in the archive until yesterday vanishing after the fact.)</p>
|
|
|
|
<p>If you're wondering why the <a href=http://lists.landley.net>top level</a>
|
|
list page has been "temporarily disabled" for multiple years now... you'd have
|
|
to ask Dreamhost. I know I have. More than a dozen times.</p>
|
|
|
|
<a name="03-11-2015" /><a href="#03-11-2015"><hr><h2><b>November 3, 2015</b></h2></a>
|
|
<blockquote><p>"Alright," said Ford. "How would you react if I said that I'm
|
|
not from Guildford after all, but from a small planet somewhere in the vicinity
|
|
of Betelgeuse?" Arthur shrugged in a so-so sort of way. "I don't know," he
|
|
said, taking a pull of beer. "Why - do you think it's the sort of thing you're
|
|
likely to say?" - The Hitchhiker's Guide to the Galaxy.</p></blockquote>
|
|
|
|
<p><a href=downloads/toybox-0.6.1.tar.gz>Toybox 0.6.1</a>
|
|
(<a href=https://github.com/landley/toybox/releases/tag/0.6.1>git commit</a>)
|
|
is out.</p>
|
|
|
|
<p>We have a new <b>ps</b> command with all the -o fields posix wants (although
|
|
it doesn't accept BSD non-dash option syntax yet), and <b>bunzip2</b> (not just
|
|
bzcat but the proper extract-in-place command).
|
|
Sameer Pradhan added <b>hostid</b> and <b>fsync</b>.
|
|
Elliott Hughes added <b>flock</b>.
|
|
|
|
<p>The people waiting for <b>human readable number support</b> (du -hH, ls -h,
|
|
and so on) can thank Elliott Hughes for implementing it. (Our output doesn't
|
|
exactly match others' because we our "binary" mode will say 1.0G instead of
|
|
1024M, which is a bug in the other one we didn't emulate.)</p>
|
|
|
|
<p>The other big news is <b>nommu support</b>, tested on the new
|
|
<a href=http://nommu.org/jcore>jcore</a> processor but presumaby working
|
|
on any nommu system. A few commands don't support nommu yet, but those
|
|
are disabled by dependencies on TOYBOX_FORK in menuconfig when building
|
|
for nommu. The roadmap now has a large section analyzing the uClinux
|
|
project (note that <a href=http://nommu.org>nommu.org</a> is slowly replacing
|
|
<a href=http://uclinux.org>uclinux.org</a> as the standard repository of
|
|
all knowledge and wisdom about nommu. The old site <a href=#12-02-2012>contains
|
|
much that is apocryphal</a>, or at least wildly inaccurate, and the new one
|
|
is trying to improve on that).</p>
|
|
|
|
<p>Both "make change" and scripts/single.sh (for building standalone commands
|
|
without the multiplexer logic) now use the top level .config
|
|
for toybox global settings such as Linux Security Blanket Module selection,
|
|
(so make defconfig before change now).</p>
|
|
|
|
<p>Documentation updates to the <a href=code.html>code</a> and
|
|
<a href=roadmap.html>roadmap</a> pages.</p>
|
|
|
|
<h3>pending</h3>
|
|
|
|
<p>In the pending directory Sameer Pradhan added tftp,
|
|
and Elliott Hughes sent lsof. Isaac Dunham upgraded mdev,
|
|
reboot, init, login, and modprobe, and fixed a distro-specific build break in
|
|
scripts/mkflags.h. Elliott Hughes and Lipi Lee made netstat -p handle
|
|
command lines longer than 21 characters, and Elliott fixed netstat -e and
|
|
some build warnings. Yeongdeok Suh fixed a warning in dhcpd.
|
|
I started cleanup on pgrep/pkill.</p>
|
|
|
|
<h3>Command updates, bugfixes, and infrastructure</h3>
|
|
|
|
<p>The multiplexer's "command not found" error exit is now 127, so now you can't
|
|
distinguish between a command not being found in the multiplexer and
|
|
the multiplexer itself not being found by the shell, because people wanted
|
|
that for some reason.</p>
|
|
|
|
<p>Elliott Hughes made date reject invalid dates rather
|
|
than set the clock to something weird (setting the clock 100 years into the
|
|
future makes most Linux desktops surprisingly unhappy, and ntpdate won't fix it
|
|
either), fixed several ls -l display issues (user/group field ordering,
|
|
make user/group/lsmcontext left aligned), did the aforementioned
|
|
extensive work on human readable number output, fixed ionice's default
|
|
class, fixed a mv overwrite bug, made df's columns auto-size, added
|
|
--ppid and -Z to ps, and teamed up with Daniel K. Levy to fix
|
|
a segfault in find's handling of -newer -group or -user.</p>
|
|
|
|
<p>Hyejin Kim added stat -c %T support. Colin Cross worked
|
|
on vmstat fixing
|
|
a header printing bug and calculating the bi and bo columns in the right
|
|
units. Isabella Parakiss reported that sed -e "/x/c\" -e "y" added an extra
|
|
newline and that grep -w '\(x\)\1' didn't work, both now fixed.
|
|
Alistair Strachan fixed several problems with switch_root. Kylie McClain
|
|
pointed out env should be able to clear variables via NAME= syntax.
|
|
Dima Krasner added support for running blkid without a partition (so it shows
|
|
all partitions). Hyejin Kim sent in a bunch of static analysis bug reports.</p>
|
|
|
|
<p>Isabella Parakiss reported that sed -e "/x/c\" -e "y" added an extra
|
|
newline and that grep -w '\(x\)\1' didn't work, both now fixed.
|
|
Alistair Strachan fixed several problems with switch_root. Kylie McClain
|
|
pointed out env should be able to clear variables via NAME= syntax.
|
|
Dima Krasner added support for running blkid without a partition (so it shows
|
|
all partitions). Hyejin Kim sent in a bunch of static analysis bug reports.</p>
|
|
|
|
<p>Two large thinko fixes in oneit: -3 was always enabled (which would
|
|
eventually block if the child never read the exiting PID numbers from its file
|
|
descriptor #3 until the pipe filled up), and the signal handlers weren't
|
|
set up right (for requesting semi-graceful halt/poweroff/reboot).
|
|
Calling install without a mode is now 0755, and install -g 0 no longer clashes
|
|
with cp --preserve. Better error message for ls -r on unreadable
|
|
directories, and ls -Z now uses O_PATH (with the /proc/self/fd/%d
|
|
workaround for kernel stupidity as necessary).</p>
|
|
|
|
<p>Date now understands @unixtime[.fraction] and uses -D for
|
|
the set-side format (matching busybox's extension for this). The seq -f
|
|
string now checks that it's got exactly one %f escape with the correct
|
|
attributes (and a whole bunch of test cases for it). Fixed a bug
|
|
in od that screwed up the position indicator on arm and mips.
|
|
In stat the d/h units moved from %d %D to the default string.
|
|
And patch can now correctly apply hunks with trailing context to the start of
|
|
the file.</p>
|
|
|
|
<p>The prompt argument moved out of yesno() (the caller can print the prompt
|
|
themselves). Replaced toys.exithelp with help_exit(). Added new
|
|
XVFORK() macro, and xpopen_both() calls /proc/self/exe when passed
|
|
a NULL argv (see cpio -p for example usage). Replaced toys.recurse
|
|
with toys.stacktop so the recurse or re-exec decision is now based
|
|
on bytes of stack space used. Marked a bunch of command-local functions
|
|
static.</p>
|
|
|
|
<p>New additions to lib/ include strlower(), xconnect(), and the
|
|
aforementioned help_exit().
|
|
The testsuite now has some infrastructure tests based on "example"
|
|
commands such as toys/examples/test_human_readable.c.
|
|
The login command finally got a long-overdue cleanup (it's one of the
|
|
commands that predate the "pending" directory but were part of the reason
|
|
for it). Hexedit had an
|
|
uninitialized variable (of course gcc didn't spot it, it was too busy
|
|
warning about "may be used uninitialized but never actually is" variables).</p>
|
|
|
|
<p>Tweaked makefile so
|
|
"make CROSS_COMPILE=prefix-" (as well as "CROSS_COMPILE=prefix- make",
|
|
which still works). Toybox is now installed chmod -w so broken installers
|
|
(like the bunzip2 package's) that try to overwrite existing binaries won't
|
|
knock out the whole of toybox.
|
|
GCC 5.2.0 stopped being able to compile Linux 2.6.12's kconfig, but
|
|
we added a workaround. You can now build uptime without utmpx.h.
|
|
Alejandro Joya pointed out that enabling smack required smack on the host
|
|
as well as target when cross compiling, which is now fixed.</p>
|
|
|
|
<p>Note: toybox can autodetect nommu support when building with a uClibc
|
|
toolchain such as <a href=http://landley.net/aboriginal/downloads/binaries/old/1.4.3/cross-compiler-sh2eb.tar.gz>the one from Aboriginal Linux</a>,
|
|
but <a href=http://github.com/richfelker/musl-cross-make>with musl-libc</a>
|
|
you'll have to enable CONFIG_TOYBOX_MUSL_NOMMU_IS_BROKEN to work around the
|
|
fact they provide a non-functional fork() implementation that always returns
|
|
-ENOSYS, to prevent you from compile-time probing for nommu support when
|
|
cross-compiling. Unfortunately "preventing you from probing" seems to be
|
|
an explicit policy with musl, they also don't provide an "#ifdef __MUSL__"
|
|
because their library is perfect and you're only ever allowed to work around
|
|
other people's bugs, not theirs. So we have to use menuconfig to manually
|
|
enable musl-specific bug workarounds.</p>
|
|
|
|
<a name="23-07-2015" /><a href="#23-07-2015"><hr><h2><b>July 23, 2015</b></h2></a>
|
|
<p>I recreated the <a href=downloads/toybox-0.6.0.tar.gz>0.6.0 source tarball</a>
|
|
(new sha1sum 08fb1c23f520c25a15f262a8a95ea5b676a98d54)
|
|
because I forgot to add --prefix to the git archive command when I updated
|
|
my release script from mercurial, so the files weren't in an enclosing
|
|
directory. (Ooops.)</p>
|
|
|
|
<a name="19-07-2015" /><a href="#19-07-2015"><hr><h2><b>July 19, 2015</b></h2></a>
|
|
<blockquote><p>
|
|
The reason why it was published in the form of a micro sub meson electronic
|
|
component is that if it were printed in normal book form, an interstellar
|
|
hitchhiker would require several inconveniently large buildings to carry it
|
|
around in." - The Hitchhiker's Guide to the Galaxy </p></blockquote>
|
|
|
|
<p><a href=downloads/toybox-0.6.0.tar.gz>Toybox 0.6.0</a>
|
|
(<a href=https://github.com/landley/toybox/releases/tag/0.6.0>git commit</a>)
|
|
is out. (Yes, git. See the <a href=#05-04-2015>previous news entry</a>.)</p>
|
|
|
|
<p>Sorry for the unusually long gap between releases. Since last release Ye
|
|
Olde Project Maintainer traveled to japan twice and had two more "once
|
|
a century" floods at home. (Probably a coincidence.) Still catching up.</p>
|
|
|
|
<h3><b>CELF/ELC talk and Wikipedia[citation needed] article</b></h3>
|
|
|
|
<p>I gave another State Of The Toybox talk
|
|
(<a href=https://www.youtube.com/watch?v=04XwAbtPmAg>video</a>
|
|
<a href=http://landley.net/talks/celf-2015.txt>outline</a>), in which I
|
|
repeat my <a href=http://landley.net/notes-2013.html#07-11-2013>perennial</a>
|
|
<a href=https://twitter.com/landley/status/557309224535851009>complaint</a>
|
|
that Wikipedia[citation needed]
|
|
<a href=http://en.wikipedia.org/wiki/Toybox>still</a>
|
|
<a href=https://en.wikipedia.org/wiki/BusyBox#Controversy_over_Toybox>says</a>
|
|
toybox was relicensed before its hiatus, when relicensing was why
|
|
the hiatus ended.</p>
|
|
|
|
<p>Since Wikipedia[citation needed] seems unable to do the
|
|
<a href=#15-11-2011>most</a>
|
|
<a href=http://landley.net/hg/toybox/log/tip/LICENSE>basic</a>
|
|
<a href=http://landley.net/notes-2011.html#13-11-2011>research</a> on
|
|
this point, and has stuck to an incorrect sequence of events for years,
|
|
I've been gradually escalating my attempts to correct them. Toybox
|
|
came out of mothballs in November 2011 <b>because</b> it could be
|
|
relicensed. That's what opened up a new niche busybox wasn't already
|
|
filling with a 10 year headstart.</p>
|
|
|
|
<a name="asterisk_back" />
|
|
<p>The article has plenty of smaller issues<a href=#asterisk>*</a>, but
|
|
given that I gave an entire talk at Ohio LinuxFest in 2013
|
|
(<a href=http://landley.net/talks/ohio-2013.txt>outline</a>,
|
|
<a href=https://archive.org/download/OhioLinuxfest2013/24-Rob_Landley-The_Rise_and_Fall_of_Copyleft.mp3>audio</a>) on why I switched away from GPL for
|
|
my projects, that one bugs me.</p>
|
|
|
|
<h3><b>New stuff this release</b></h3>
|
|
|
|
<p>There's a new android menu in menuconfig, and rather a lot of Linux
|
|
Security Module support (Smack for Tizen from Xavier Roche and José Bollo,
|
|
and SELinux for Android from Elliott Hughes; see
|
|
the Security Blanket menu under global settings in menuconfig) has
|
|
trickled in, although there's still more to come.</p>
|
|
|
|
<p><b>New commands:</b> Added reset, nproc, ionice, and iorenice.
|
|
Elliott Hughes contributed xxd, runcon,
|
|
restorecon, load_policy, getenforce, setenforce, getprop, and setprop.
|
|
Promoted shred, nsenter, and hwclock.</p>
|
|
|
|
<p>You can once again build catv now the flag infrastructure's been updated to
|
|
let it coexist with cat -v.
|
|
And on a long plane flight I wrote
|
|
hexedit, an interactive hex editor that implements the start of
|
|
cursor control infrastructure (for eventual use by less and vi and shell
|
|
command history and so on).</p>
|
|
|
|
<p><b>New options:</b> Added sed -E as a BSD-compatible synonym for -r.
|
|
Upgraded oneit with -r (restart), -3 (send exiting PID values to child),
|
|
and signal handling. Added -v option to timeout, -m to mknod, -u to shred,
|
|
-t to dmesg, and -123 to head and tail. Added implicit "." to grep -r without
|
|
any files to work on. Hyejin Kim requested prefix support for truncate -s.
|
|
Greg Hackman added -inum to find.
|
|
Jan Cybulski added the smack side of ls -Z support. Various patches also
|
|
added -Z to mkdir, mknod, and mkfifo.
|
|
Basic cp --preserve support went in, but not yet the xattr/LSM parts.</p>
|
|
|
|
<p>The toybox command now has a --version option,
|
|
which uses "git describe" if available.</p>
|
|
|
|
<p><b>Build infrastructure:</b>
|
|
The "make change" target now saves the output of each failed standalone
|
|
command build in a .bad file, and "make defconfig" is quieter now.</p>
|
|
|
|
<p>Paul Barker submitted a large patch changing command install paths so
|
|
"toybox can be installed alongside busybox without confusing
|
|
update-alternatives". (There's some argument over
|
|
what the right paths should be, and I'm waiting for
|
|
people to tell me what else needs fixing because I have no idea. I've
|
|
been symlinking /bin to /usr/bin since 2002
|
|
<a href=http://landley.net/writing/hackermonthly-issue022-pg33.pdf>for
|
|
historical reasons</a>.)</p>
|
|
|
|
<p><b>Docs:</b> The repository link now goes to github, with another link
|
|
to the commit rss feed.</p>
|
|
|
|
<p>Elliott Hughes updated the Android section of the roadmap
|
|
(and he would know). Redid bits of scripts/mkstatus.py to make updating
|
|
status.html easier, and the README is larger.</p>
|
|
|
|
<p>More description of option parsing in code.html, which now describes the
|
|
FLAG_x macros, switching flag macro sets with FOR_newcommand, how
|
|
configuration zeroes flag macros and using FORCE_FLAGS to suppress the
|
|
zeroing of options shared between commands. Also added description of ";"
|
|
to make --longopts take an optional =value part, and more about TOYBOX_DEBUG
|
|
to check NEWTOY() option strings (otherwise a bad option string makes
|
|
lib/args.c obviously segfault, but doesn't explain why).</p>
|
|
|
|
<p>Added a "Why 0BSD?" section to license.html when submitting zero clause bsd
|
|
to SPDX (according to the pending license spreadsheet, it's been approved for
|
|
SPDX 2.2).</p>
|
|
|
|
<p>The old list of commands needing cleanup but not in pending was
|
|
removed from toys/pending/README and instead the issues were added
|
|
as TODO comments in the individual commands.</p>
|
|
|
|
<p><b>Bugfixes:</b>
|
|
Fixed mount -a segfaulting without -O (reported by Janus Troelsen),
|
|
and made it try a "become rw" ioctl() on the block device before falling
|
|
back to mounting read only (because Android expects that).
|
|
Fixed printf -- and printf ---. Lots of tweaks to ls -l spacing with
|
|
different options. Make touch -d and -t actually set time when you don't
|
|
specify nanoseconds.
|
|
Fixed a subtle bug where recursive calls (toybox commands that run other
|
|
toybox commands) weren't resetting all their state. (This manifested as
|
|
a "no }" error from "find | xargs sed", but could cause other problems.)
|
|
And David Halls reported another sed bug trying to compile libiconv (which
|
|
left extra \ at the start of lines in a generated shell script, breaking
|
|
the build). Output an error message for "cat /mnt".</p>
|
|
|
|
<p>Kylie McClain reported that mktemp broke when $TMPDIR was set to an empty
|
|
string (which is not the same as unset), that install/find didn't support
|
|
numeric uid/gids, and that sort -z affects both input and output.
|
|
Isabella Parakiss fixed a printf.c bug.
|
|
David Halls fixed bugs in install -D and find -exec. Samuel Holland
|
|
fixed unshare -r. Hyejin Kim fixed makedevs with a count of 1, fold -w
|
|
range checking, an error path in scripts/mkflags.c, added -i to dhcpd,
|
|
and stopped su from prompting the root user for the new user's password.
|
|
Jan Cybulski spotted wrong indentation when combining ls -s and -i with -C and
|
|
-x. José Bollo fixed stat %G. Sameer Pradhan fixed a bug in mkfifo -Z.</p>
|
|
|
|
<p>Elliott Hughes asked for a default SIGPIPE handler to disable
|
|
the signal handler bionic's dynamic loader installs (yes really). Still not
|
|
100% sure what the correct behavior is there. (Posix is
|
|
(<a href=http://permalink.gmane.org/gmane.comp.standards.posix.austin.general/10915>actively unhelpful</a>, but at least they're taking
|
|
<a href=http://austingroupbugs.net/view.php?id=789#c1976>years to
|
|
make up their mind</a>. Elliott also sent patches to fix a typo in
|
|
useradd.test, add missing arguments to error_exit() calls and clean up
|
|
printf() format strings, fix an off by one error in human_readable(),
|
|
fix dmesg -c error reporting, fix a segfault in comma_scan where the option
|
|
was the last item in optlist (triggered by mount -o ro,remount), fix
|
|
hwclock -w, made ifconfig print lowercase MAC addresses (it was bothering
|
|
him), and make terminal_size() read the right environment variable
|
|
(LINES, not ROWS). And he suggested the test suite notice high command exit
|
|
values (corresponding to segfault or other signals).</p>
|
|
|
|
<p>People are apparently using toys/pending commands, despite the police tape
|
|
and flashing lights, so added louder warnings to toys/pending/README.
|
|
Elliott Hughes fixed various problems with tar, dd, more, and top.
|
|
Hyejin Kim cleaned up syslogd and dumpleases. Isaac Dunham added hotplug
|
|
support to mdev. Yeongdeok Suh added RFC-3315 ipv6 support to dhcpd.</p>
|
|
|
|
<p>I rewrote ps.c from scratch (in pending), but it's not ready for real use
|
|
yet.</p>
|
|
|
|
<p><b>Portability:</b>
|
|
On the portability front Bernhard Rosenkranzer fixed a problem where the
|
|
menuconfig code wouldn't compile in C99 mode. (This led to me documenting
|
|
the craptacular nature of kconfig in a README, and the plan to replace it
|
|
sometime before 1.0.) Some extra flags to shut up overzealous llvm warnings
|
|
were added (and have to be probed for because gcc complains about
|
|
arguments it doesn't recognize even when they switch stuff _off_ using
|
|
a standard syntax). Don't depend on malloc(0) to return non-null in ls.
|
|
David Halls fixed some mac/ios portability issues,
|
|
implying somebody's built at least part of toybox on a mac.</p>
|
|
|
|
<p>Added basename_r() to lib/lib.c because the posix semantics for basename()
|
|
are stupid but what the gnu guys did to it was appalling.
|
|
Turns out bionic already had a basename_r(), but posix still doesn't.
|
|
Fixed it up in portability.h, but this
|
|
could break more stuff in future. (Correct fix is to lobby posix to add it,
|
|
which would probably take about 15 years...)</p>
|
|
|
|
<p><b>Infrastructure:</b>
|
|
The build now checks $LDFLAGS for linker-only flags, and allows the strip
|
|
command to fail (binflt toolchains provide a strip that doesn't work).
|
|
Since time.c uses floating point, added TOYBOX_FLOAT dependency in config.</p>
|
|
|
|
<p>There's a lib/lsm.h defining varous inline functions for linux
|
|
security modules stuff, if (lsm_enabled()) should turn into a compile-time
|
|
constant 0 and let code drop out when TOYBOX_LSM_NONE selected, but
|
|
testing against CFG_TOYBOX_LSM_NONE or derived symbols is still useful
|
|
becuase when it _is_ enabled the probe turns into a system call you
|
|
don't want to repeat too much.</p>
|
|
|
|
<p>Switched a bunch of commands from signal() to xsignal(). Factored out
|
|
xgetgrnamid() and xgetpwnamid() into xwrap.c. Make time.c depend on
|
|
TOYBOX_FLOAT (since it always uses float so shouldn't be available on
|
|
build targets without even software float). Added readfileat() to lib/lib.c.</p>
|
|
|
|
<p>The dirtree infrastructure now passes in full flags for the old symlink
|
|
field, and the new DIRTREE_SHUTUP flag disables warnings if a file vanishes
|
|
out from under you during traverse. New dirtree_start() wrapper to
|
|
create dirtree root with only two arguments.</p>
|
|
|
|
<p>The not-curses infrastructure introduced by hexedit mostly moved to
|
|
lib/interestingtimes.c.</p>
|
|
|
|
<a name="asterisk" />
|
|
<a href="#asterisk_back" />Asterisk:</a> such when
|
|
Tim contacted me (my blog says a couple days before nov 13, 2011, I.E.
|
|
11/11/11 not some specific day 2 months later) to ask if I wanted to work
|
|
on a new project he was proposing called
|
|
<a href=http://www.elinux.org/Busybox_replacement_project>BentoBox</a>
|
|
(because I used to do busybox, he'd forgotten toybox existed
|
|
until I brought it up). And don't ask me what "focuses not on compatibility
|
|
with its GNU counterparts" means when CP_MORE adds 7 non-posix options
|
|
and toys/other has 84 commands in neither posix nor LSB. I think they're
|
|
struggling to explain the difference having dismissed "licensing" as being
|
|
the reason it started up again after a long hiatus? The reason I don't think
|
|
GNU is special is there are a half-dozen other independent
|
|
implementations of the same unix command tools out there (AT&T,
|
|
BSD, Coherent, Minix, plan 9, busybox, toybox, and several more analyzed in
|
|
the <a href=roadmap.html>roadmap</a>, and that's ignoring the implementations
|
|
written for DOS or in assembly over the years). But I do care what
|
|
Linux From Scratch expects, and if it's
|
|
<a href=http://archive.linuxfromscratch.org/lfs-museum/7.6/LFS-BOOK-7.6-NOCHUNKS.html#ch-tools-gcc-pass1>calling mv -v</a>
|
|
then I impelement mv -v
|
|
even if <a href=http://landley.net/toybox/roadmap.html>posix hasn't got
|
|
it</a>. And I don't know why "gnu counterparts" would describe this when
|
|
util-linux isn't a gnu package, nor are info-zip, e2fsprogs, kmod, less,
|
|
procps, shadow, sysklogd, vim, zlib, sudo, dhcpcd...</p>
|
|
|
|
<a name="05-04-2015" /><a href="#05-04-2015"><hr><h2><b>April 5, 2015</b></h2></a>
|
|
<p>Since <a href=https://android.googlesource.com/platform/external/toybox/>android</a> and
|
|
<a href=https://git.tizen.org/cgit/platform/upstream/toybox.git>tizen</a>
|
|
and <a href=https://github.com/kraj/meta-musl/tree/master/recipes-core/toybox>openembedded</a>
|
|
and <a href=https://packages.gentoo.org/package/sys-apps/toybox>gentoo</a>
|
|
and so on have all been using Georgi Chorbadzhiyski's git mirror rather
|
|
than the mercurial repository, I bit the bullet and switched the project's repo
|
|
<a href=https://github.com/landley/toybox>to git</a>. Georgi's
|
|
<a href=https://github.com/gfto/toybox>mirror</a> is now pulling from that.</p>
|
|
|
|
<a name="25-02-2015" /><a href="#25-02-2015"><hr><h2><b>February 25, 2015</b></h2></a>
|
|
<blockquote><p>"A common mistake that people make when trying to design
|
|
something completely foolproof is to underestimate the ingenuity of
|
|
complete fools."</p><p>- The Hitchhiker's Guide to the Galaxy.</p></blockquote>
|
|
|
|
<p><a href=downloads/toybox-0.5.2.tar.gz>Toybox 0.5.2</a>
|
|
(<a href=/hg/toybox/shortlog/1702>commit 1702</a>) is out.</p>
|
|
|
|
<p>New promoted commands: sed (finally fixed enough it builds Linux From
|
|
Scratch), printf (cleaned up and promoted), shred and
|
|
base64 (the Tizen guys wanted them), getenforce, setenforce, and chcon (android),
|
|
mix (promoted with fixes from Isaac Dunham), nsenter (from
|
|
Andy Lutomirski, merged into unshare).</p>
|
|
|
|
<p>Elliott Hughes submited a bunch of patches to support Android (to
|
|
both toybox and Bionic libc, which he maintains). On toybox's end this
|
|
involved a lot of fixups to portability.[ch] and fixes to over a dozen
|
|
commands, plus several new ones. Other portability fixes included working
|
|
with buildroot's uclibc fork and building for nommu targets.</p>
|
|
|
|
<p>The new "make change" target builds each toybox command as a standalone
|
|
binary. Rather a lot of commands that didn't build by themselves (mv depending
|
|
on cp and so on) were hit with a large rock until they built standalone.
|
|
This involved rewriting bits of option parsing, more elaborate dependency
|
|
generation, making each command have its own config
|
|
symbol and main() function (even when it's just a wrapper calling another
|
|
command's main()), and so on. Also, some commands can't be built standalone
|
|
at a conceptual level: "help" describes other enabled commands and "sh"
|
|
has a number of bulitin commands (cd, exit, set) that require the
|
|
multiplexer infrastructure, so "make change" filters them out.</p>
|
|
|
|
<p>The mailing list's web archive is still screwed up. Dreamhost has
|
|
been trying to fix it since approximately September. There are
|
|
<a href=http://www.mail-archive.com/toybox@lists.landley.net/>two</a>
|
|
<a href=http://news.gmane.org/gmane.linux.toybox>other</a> less broken
|
|
archives, but neither has quite the same UI as mailman.</p>
|
|
|
|
<h3>Bugfixes and tweaks</h3>
|
|
|
|
<p>Cynt Rynt sent in tests for ifconfig,
|
|
Robert Thompson taught factor to accept whitespace separated arguments,
|
|
Hyejin Kim pointed out that some of mktemp's longopts were attached to
|
|
the wrong short options,
|
|
Luis Felipe Strano Moraes fixed a wrong free() call in bootchartd in pending.
|
|
Patches from Ashwini Sharma to make "df /dev/node" work, prevent du from
|
|
looping endlessly following symlinks, and to make expr.c
|
|
(in pending) understand == and regex matches. (Speaking of expr, it gets
|
|
priority groupings wrong but the bug was actually in the posix spec's
|
|
HTML conversion. They fixed the posix spec upstream for us. Still need
|
|
to fix the expr code, but it's in pending for a reason...)</p>
|
|
|
|
<p>Some commands grew new option flags, such as cp --remove-destination
|
|
and touch -h.</p>
|
|
|
|
<p>The parallel build has better error reporting now. When toybox needs to
|
|
re-exec itself to regain suid root permissions and hasn't got the suid bit,
|
|
it now gives the right error message ("not root" instead of "no such command").
|
|
|
|
<p>Added a test to "mount" to not mount the same device/directory combination
|
|
over itself (the OS catches this for block devices, but not for tmpfs).
|
|
Make blkid distinguish ext3 from ext4. Added catv back into cat (because
|
|
the Android guys wanted it, and they have historical usage on their side,
|
|
so...). Handle nanoseconds in touch.</p>
|
|
|
|
<p>Fixed a segfault when CP_MORE was disabled (the resulting option flag list
|
|
no longer defined -d but still had it in option groups at the end).
|
|
Workaround for glibc redefining dirname() and basename() to random non-posix
|
|
semantics because gnu. (They could have created dirname_r() but didn't want
|
|
to.)</p>
|
|
|
|
<p>Fix an ifconfig test that was preventing assigning an ipv4 address to
|
|
interface aliases. Several cleanup passes on hwclock but not quite
|
|
promoted out of pending yet.<p>
|
|
|
|
<p>Fixed a wrong error message in rm (if you had a chmod 000 directory and
|
|
did rm -r on it without -f, after the prompt it would complain it was a
|
|
directory, which was not the problem).</p>
|
|
|
|
<p>The gzip compression code now does "store only" output to stdout, for
|
|
what that's worth.</p>
|
|
|
|
<p>Cleanup mountpoint and expand, and remove them from toys/pending/README
|
|
(a list of commands that predate the toys/pending directory but needed
|
|
another pass).</p>
|
|
|
|
<h3>Library and infrastructure:</h3>
|
|
|
|
<p>Reworked the option parsing infrastructure so more commands build
|
|
standalone (via scripts/single.sh or "make change"). The option flag bit
|
|
values are no longer packed, it leaves spaces where currently disabled
|
|
flags go, and you can #define FORCE_FLAGS so disabled flags aren't zeroed.
|
|
This allows multiple commands to more easily share infrastructure, even if
|
|
your current flag context is for a disabled command (switched off in config),
|
|
you can force them to stay on and as long as the flags read the same right
|
|
to left they'll have the same values.</p>
|
|
|
|
<p>We've started removing use of strncpy() because it's a hugely broken
|
|
standard C function: the length is the maximum length to _append_, not
|
|
the size of the destination buffer. It memsets the remaining space it didn't
|
|
copy ala "memset(dest+strlen(dest), 0, len);" so
|
|
if you think len is the size of dest you're guaranteed to stomp memory off the
|
|
end). And if it runs out of space it won't null terminate because reasons.
|
|
(Meanwhile sprintf("%*s", len, str) is counting wide characters in your current
|
|
locale, so if you set a locale other than "C" it will also go past your
|
|
allocated buffer size. Whoever is maintining the C library standards is really
|
|
bad at strings.)
|
|
Instead we have xstrncat() which will error_exit() if src+dest+1 doesn't
|
|
fit in the buffer. (Because randomly truncating input data isn't necessarily
|
|
an improvement.) And there's always xmprintf().</p>
|
|
|
|
<p>Similarly, strtol() doesn't return an error indicator on overflow,
|
|
you have to clear and then check errno. So new xstrtol() that cares
|
|
about overflow.</p>
|
|
|
|
<p>The bionic and musl guys agree faccessat(AT_SYMLINK_NOFOLLOW) is not
|
|
supported, so stop using it.</p>
|
|
|
|
<p>Fixed toy_exec() to detect when argc is in optargs, so we don't
|
|
need a separate xexec_optargs().</p>
|
|
|
|
<a name="18-02-2015" /><a href="#18-02-2015"><hr><h2><b>February 18, 2015</b></h2></a>
|
|
<p>Dreamhost continues to be unable to make mailing list archives work, so
|
|
here's <a href=http://www.mail-archive.com/toybox@lists.landley.net/>another
|
|
list archive</a> with a less awkward interface than gmane.</p>
|
|
|
|
<p>(Neither gives you the convenient historical monthly views of mailman,
|
|
but I still have hopes dreamhost will someday figure out what they're doing
|
|
wrong. They've only been trying since October. Last month they did a
|
|
<a href=http://www.dreamhoststatus.com/2015/01/14/discussion-list-hardware-maintenance/>hardware upgrade to fix a software problem</a>, and the stale
|
|
data loads much faster now, so that's something.)</p>
|
|
|
|
<p>Update (Feb 19): the archive started updating again, by discarding
|
|
all the pending data. So there are now _two_ giant holes in Dreamhost's
|
|
web archive, from Dec 15-Jan 3, and then another hole from Jan 16-Feb 18.
|
|
The relevant messages are in both of the other archives. Here's hoping
|
|
the chronic archive constipation problem won't happen a sixth time.</p>
|
|
|
|
<a name="30-12-2014" /><a href="#30-12-2014"><hr><h2><b>December 30, 2014</b></h2></a>
|
|
<p>Due to Dreamhost's <a href=http://landley.net/dreamhost.txt>ongoing</a>
|
|
<a href=http://landley.net/dreamhost2.txt>inability</a> to make mailman
|
|
work reliably, I've added a link to a backup web archive at
|
|
<a href=http://news.gmane.org/gmane.linux.toybox>gmane</a> to the nav bar
|
|
on the left.</p>
|
|
|
|
<p>You still subscribe to the list through
|
|
<a href=http://lists.landley.net/listinfo.cgi/toybox-landley.net>the first link</a>.</p>
|
|
|
|
<p>Update (January 27, 2015): they're <a href=https://twitter.com/landley/status/558428839462703104>still working on it</a>.</p>
|
|
|
|
<a name="19-11-2014" /><a href="#19-11-2014"><hr><h2><b>November 19, 2014</b></h2></a>
|
|
|
|
<blockquote><p>"This time it was right, it would work, and no one would have to get nailed to anything." - The Hitchhiker's Guide to the Galaxy.</p></blockquote>
|
|
|
|
<p><a href=downloads/toybox-0.5.1.tar.bz2>Toybox 0.5.1</a>
|
|
(<a href=/hg/toybox/shortlog/1566>commit 1566</a>) is out.</p>
|
|
|
|
<p>It's an interim release, mostly bugfixes. There are several new commands,
|
|
but they're all in pending.</p>
|
|
|
|
<h3>Development</h3>
|
|
|
|
<p>Finally implemented sed, which is still in pending because although
|
|
it's feature complete according to posix, and even passes the parts of
|
|
Busybox's sed test suite that aren't explicitly testing for gnu bugs we
|
|
don't want to copy, it's not yet good enough to build Linux From Scratch.
|
|
(The ./configure stages use very long sed scripts. 20 commits worth of
|
|
implementation and debugging, just under 1000 lines of code, and there's
|
|
still more to do. We're definitely up to some of the "fiddly" commands now.
|
|
Did you know "echo hello | sed p - -" segfaults gnu sed in Ubuntu 12.04?
|
|
Yeah...)</p>
|
|
|
|
<p>Talked with the Tizen developers to follow up on their desire to
|
|
make toybox a part of the base Tizen system, and got a list of commands
|
|
to add to the roadmap. The tizen todo list is:</p>
|
|
|
|
<blockquote><p>
|
|
wget, sha256*, gzip, gunzip, bunzip2, rsync, zdiff*,
|
|
less, ar, arch, base64, csplit, dir, fmt, join,
|
|
nproc, shred, shuf, stdbuf, stty, test, tr, unexpand,
|
|
users, vdir, diff3, sdiff, dosfsck (fsck.vfat), awk, fdisk
|
|
</p></blockquote>
|
|
|
|
<p>(Most of which was already on the todo list, but it helps prioritize.)</p>
|
|
|
|
<p>Fixed md5sum and sha1sum on big endian systems (reported by James McMechan).
|
|
Andy Lutomirski fixed unshare's help text and option parsing,
|
|
and submitted nsenter (a tool to use setns(2)) to pending.
|
|
Isaac Dunham implemented acpi -ctV options, and spotted the bug that ls -d
|
|
was inappropraitely following command line symlinks without -H or -L (it
|
|
should act like ls -l does), and ls -F handles symlinks wrong too.
|
|
Lukasz Szpakowski sent in two bugfixes to tail.c. Cynt Rynt spotted an
|
|
unnecessary assignment in lib/password.c.</p>
|
|
|
|
<p>Ashwini Sharma's team was as busy as usual, submitting tr, crontab, and
|
|
ipcrm, and hwclock to pending, more features to the pending ip.c, and a
|
|
pile of bugfixes (to chgrp, killall, ifconfig, insmod,
|
|
losetup, comm, cp, id, xwrap, netcat, modprobe, nohup...) mostly found by
|
|
static analysis. (These fixes are mostly to seldom-used codepaths like the
|
|
TOYBOX_FREE config option, but test coverage is always appreciated.) Ashwini
|
|
also suggested upgrading ln -f to leave the original target alone if link
|
|
creation fails, and reported that mv -f and -i weren't implemented (now fixed).</p>
|
|
|
|
<p>New config option: TOYBOX_NORECURSE prevents xexec() from making internal
|
|
function calls (for nommu systems with a finite stack).</p>
|
|
|
|
<p>The "toybox" multiplexer command no longer adds a trailing space to each
|
|
line of command names, so things like "./toybox | tr ' \n' '|'" to create
|
|
a grep pattern snippet are easier to do. (Why you'd want to is your business,
|
|
but the output is tidier now.)</p>
|
|
|
|
<h3>Infrastructure</h3>
|
|
|
|
<p>Isaac Dunham added Android support to portability.h, including compile
|
|
probes for functions missing from bionic-libc, and annotated the commands that
|
|
use those functions. We haven't really tested building against bionic,
|
|
but in theory it's possible now.</p>
|
|
|
|
<p>Running the test suite now color codes the PASS/SKIP/FAIL notifications
|
|
if output is to a tty. (And in case you missed it last time, VERBOSE=fail
|
|
to stop at the first failure is really useful.)</p>
|
|
|
|
<p>In loopfiles_rw() use O_CLOEXEC instead of O_RDONLY to request the loop
|
|
function close filehandles for us. (Otherwise the callback function must
|
|
close each supplied filehandle itself.)</p>
|
|
|
|
<p>The printf-style escape parsing ("\n" and friends) got factored out into
|
|
a new unescape() function.</p>
|
|
|
|
<a name="02-10-2014" /><a href="#02-10-2014"><hr><h2><b>October 2, 2014</b></h2></a>
|
|
<blockquote><p>"There is an art, it says, or rather, a knack to flying.
|
|
The knack lies in learning how to throw yourself at the ground and miss...
|
|
Clearly, it is this second part, the missing, which presents the
|
|
difficulties." - The Hitchhiker's Guide to the Galaxy.<p></blockquote>
|
|
|
|
<p><a href=downloads/toybox-0.5.0.tar.bz2>Toybox 0.5.0</a>
|
|
(<a href=/hg/toybox/shortlog/1512>commit 1512</a>) is out.</p>
|
|
|
|
<h3>New commands</h3>
|
|
|
|
<p>The new commands are find, install, factor, and mount. Promoted commands
|
|
(cleaned up and moved out of "pending") are lspci, inotifyd, and blockdev.</p>
|
|
|
|
<p>cp now implements -HL and -F to force delete of pending files, cpio now
|
|
ignores -m and implements -p, ls -C now has utf8 support (using wcwidth
|
|
instead of strlen), and umount got a number of upgrades involving
|
|
looking things up in /proc/mounts. Other minor cleanups happend to
|
|
cut, touch, free, and id.</p>
|
|
|
|
<p>In pending: Bradley Controy submitted mix (adjusts OSS sound volume). Ashwini
|
|
Sharma submitted diff, userdel, blockdev, ipcs, and crond, upgraded
|
|
fdisk, fsck, and ftpget, and ran a static analyzer on a lot of other code.
|
|
Partial cleanup was done to useradd, userdel, groupadd, and groupdel.</p>
|
|
|
|
<h3>Build infrastructure</h3>
|
|
|
|
<p><b>Parallel builds</b></p>
|
|
|
|
<p>The build now takes advantage of SMP, autodetecting the number of
|
|
processors. (Export the environment variable CPUS to pick a specific number.)
|
|
Other build changes: split out $LDOPTIMIZE because old compilers complain
|
|
about linker options passed with -c, and the entire "generated" directory now
|
|
gets deleted by clean (the README that was in there got merged into code.html).</p>
|
|
|
|
<p><b>Standalone builds</b></p>
|
|
|
|
<p>The standalone build infrastructure (scripts/single.sh) got upgraded to
|
|
build more commands as standalone executables. In make.sh the source file
|
|
selection uses a regex to find the source files with the NEWTOY/OLDTOY macro
|
|
for the command. It enables each command's
|
|
sub-options (so CP has CP_MORE), enables I18N and FLOAT support to build
|
|
full-featured commands, and includes --help text (at least when
|
|
the command doesn't use another command's help). The OLDTOY() macro
|
|
now produces (redundant) function prototypes so you can build an OLDTOY
|
|
without the NEWTOY</p>
|
|
|
|
<p>It doesn't quite have complete coverage yet, the defconfig entries that
|
|
aren't building standalone yet are:</p>
|
|
|
|
<blockquote><p>chown, egrep, fgrep, fstype, halt, mv, nc, poweroff, unix2dos,
|
|
whoami</p></blockquote>
|
|
|
|
<p>The main reason for standalone build failures is NEWTOY() or OLDTOY()
|
|
entries that don't have their own config symbol. Another problem is entries
|
|
that depend on another entry in kconfig, usually because common infrastructure
|
|
is using one command's flags (which the other commands copy): if that command
|
|
is disabled, the FLAG macros become 0 so dead code elimination can remove the
|
|
code. It's <a href=http://landley.net/hg/toybox/rev/1503>possible
|
|
to untangle</a> this, but a bit awkward. (It boils down to conflicting
|
|
design goals in the two contexts.)</p>
|
|
|
|
<p>Standalone builds are used by the test suite when testing individual
|
|
commands.
|
|
|
|
<p><b>Snapshot builds</b></p>
|
|
|
|
<p>A new addition to the "generated" directory is generated/build.sh
|
|
containing a single compiler command line to build toybox in its current
|
|
configuration. Combined with the generated/*.{h,sh} files from an
|
|
exisiting build, this may let you build on a new system that hasn't quite
|
|
got enough OS bits working to run a full configureand make.</p>
|
|
|
|
<h3>Internals</h3>
|
|
|
|
<p>Library code: xcreate/xopen now O_CLOEXEC by default to avoid leaking
|
|
filehandles to child processes. DIRTREE_COMEAGAIN's second callback is now
|
|
done with the directory filehandle still open (new dir->again variable added
|
|
to distinguish first from second callback, and requesting DIRTREE_RECURSE now
|
|
requires passing in the specific macro value, not just a true/false).
|
|
Use daemon() out of libc instead of hand-rolled daemonize() in various
|
|
pending commands. string_to_mode() now passes through type bits so you can
|
|
use it to more easily modify a file's existing mode.
|
|
Split xpopen() into xpopen_both(), xopen(), and xrun() depending on whether
|
|
we want to redirect both, one, or neither of stdin/stdout.</p>
|
|
|
|
<p>Bugfixes: Better error message when TOYBOX_SUID option can't drop priviliges
|
|
(which happens when you suid something _other_ than root).
|
|
The old pending version of nbd_client.c wasn't deleted when the
|
|
command was promoted (and the build would break if both were enabled),
|
|
toy_exec() sometimes needs to re-exec from $PATH rather than recurse
|
|
internally (to gain dropped root permissions or limit stack depth),
|
|
always call setlocale() when I18N is enabled to switch it back _off_ when
|
|
we run commands that expect sscanf("%n") to return bytes,
|
|
dirtree() had a memory leak in an error path, patch.c had some bugs in
|
|
error paths (didn't report problem clearly). Ashwini Sharma spotted an
|
|
option parsing bug where [-abc] would forget _all_ command line arguments
|
|
saved in the GLOBALS() block (not just the ones for options being switched
|
|
off), plus various minor fixes to nbd_client and cpio.
|
|
Lukasz Szpakowski fixed rm -f on a broken symlink (failed), and killall
|
|
with no arguments (segfaulted).</p>
|
|
|
|
<p><b>Portability</b></p>
|
|
|
|
<p>A somewhat fiddly fix to rm -rf (which needs to chmod directories to u+rwx
|
|
to descend into them) which hit a musl bug in faccessat() which the musl
|
|
maintainer refuses to fix. (He literally wants the man page changed
|
|
instead, despite other libcs working.) Added an #ifdef __MUSL__ section
|
|
to portability.h with a workaround, you may need CFLAGS=-D__MUSL__ in your
|
|
build if your musl build's features.h doesn't #define that. (I may do
|
|
a different workaround in future, but sometimes you've just got to make
|
|
it work so you can ship. Also, toybox grep with multiple patterns
|
|
requires <a href=http://landley.net/hg/aboriginal/rev/1692>a patch
|
|
to musl's regex engine</a>, which applies to 1.1.4 but not to the current
|
|
musl source control.)</p>
|
|
|
|
<p>More portability.h fixes for uClibc too. (I don't expect that to ever have
|
|
another release, so locally patching around posix-2008 violations is silly).</p>
|
|
|
|
<p><b>Change to username filtering</b></p>
|
|
|
|
<p>Posix recommends the username creation logic filter usernames to a small
|
|
allowed set of characters (which even Red Hat breaks by explicitly allowing
|
|
"$" at the end), but this prevents UTF-8 usernames. Posix' stated logic
|
|
is to allow filesystems to create the user's home directory, but Linux
|
|
filesystems can accept any character but NUL and "/". The only characters
|
|
we actually _need_ to filter out are ":" (field separator in passwd),
|
|
newline (line separator in passwd), and "/" (directory separator in
|
|
filesystem).</p>
|
|
|
|
<h3>Documentation</h3>
|
|
|
|
<p>Web pages updated: cleanup.html documents more cleanup, code.html
|
|
documents more code, and about.html now capitalizes "toybox" consistently
|
|
(it's just a word, capitalize at start of sentence).</p>
|
|
|
|
<p>The pending/README file now lists commands that needed review/cleanup
|
|
before the pending directory was added.</p>
|
|
|
|
<h3>Test Suite</h3>
|
|
|
|
<p>Moved out of scripts/test into top level "tests" directory, and the
|
|
testing.sh script is now in scripts rather than mixed into the *.test files.</p>
|
|
|
|
<p>Johan Bergström requested VERBOSE=fail to make tests (telling it to
|
|
stop at the first failure), and spotted a build bug where using gnu
|
|
sort on the host broke in non-C locales.</p>
|
|
|
|
<p>Divya Kothari submitted tests for chmod, link, tar, bzcat, xzcat, zcat,
|
|
and hostname. (And more, but that's all that's merged so far.)</p>
|
|
|
|
<a name="07-07-2014" /><a href="#07-07-2014"><hr><h2><b>July 7, 2014</b></h2></a>
|
|
<blockquote><p>"This planet has - or rather had - a problem, which was this:
|
|
most of the people living on it were unhappy for pretty much of the time. Many
|
|
solutions were suggested for this problem, but most of these were largely
|
|
concerned with the movement of small green pieces of paper, which was odd
|
|
because on the whole it wasn't the small green pieces of paper that were
|
|
unhappy." - The Hitchhiker's Guide to the Galaxy.</p></blockquote>
|
|
|
|
<p><a href=downloads/toybox-0.4.9.tar.bz2>Toybox 0.4.9</a> (<a href=/hg/toybox/shortlog/1385>commit 1385</a>) is out.</p>
|
|
|
|
<p><b>New commands</b> added to pending include:
|
|
lsattr, chattr, inotifyd, rfkill, sulogin, strings, makedevs,
|
|
killall5, and tar from Ashwini Sharma, arp from Kyungwan Han,
|
|
sysctl by Bilal Qureshi, partprobe from Bertold Van den Bergh,
|
|
host from Rich felker, and I did nbd-client and the first 2/3 of mount.</p>
|
|
|
|
<p>Finished cleanups (commands promoted out of pending):
|
|
sysctl, rfkill, strings, mkpasswd, makedevs, partprobe, killall5,
|
|
fallocate, and nbd-client.</p>
|
|
|
|
<p>(Along the way partial cleanups got made to: last, fold, lspci, ps,
|
|
bootchartd, init, fsck, telnetd, telnet, vconfig, toysh, iconv, useradd,
|
|
login, host, openvt, deallocvt, getty, tftpd, and modprobe. But there's
|
|
still more to do on all of those.)</p>
|
|
|
|
<p>This time around the <a href=bin>static binaries</a> are linked against
|
|
musl instead of uClibc. (That's why there's no sparc version, musl doesn't
|
|
support that target yet.)</p>
|
|
|
|
<p><b>Documentation:</b></p>
|
|
|
|
<p>The help text parser expects lower case "usage:" lines with
|
|
a blank line after them, so go through and regularize those. Expand the
|
|
"coding style" section in the docs and move it to design.html. (Not a show
|
|
stopper for incoming
|
|
contributions, just an explanation of some of the things I'll do to them
|
|
during cleanup.) The help text for the "toybox" command now includes
|
|
the shell script snippet to install symlinks to the toybox binary.</p>
|
|
|
|
<p>The <a href=cleanup.html>cleanup page</a> now has descriptions for the
|
|
full ifconfig cleanup series, among others.</p>
|
|
|
|
<p>The new toys/examples directory contains hello.c and skeleton.c. The first is
|
|
a simple hello world program in toybox style, the second is a much more
|
|
elaborate example program using showing how to use the command line option
|
|
parsing and how to provide multiple commands in the same C file.</p>
|
|
|
|
<p><b>Fixes</b>:</p>
|
|
|
|
<p>Fix od bug reported by Samuel Holland ("od -v -b" was appending the default
|
|
output type even though an output type was specified). Ashwini Sharma reported
|
|
bugs where readfile() was incorrectly freeing its buffer, and where toy_init()
|
|
was zeroing the wrong data because the field it was using to measure (rebound)
|
|
had moved (when I moved it back I added a comment why the field needs to be
|
|
there), fixed a segfault in the dhcp client, and made a 0 length read at
|
|
the start of password entry count as EOF. Make the "we are not root" test
|
|
in the init code show the help text. Posix implies that fflush() can return
|
|
success even when the stream's error bit is set, so call both fflush() and
|
|
ferror() from xprintf().</p>
|
|
|
|
<p>Isaac Dunham pointed out that bloatcheck couldn't deal with diff
|
|
implementations that only implement "unified diff" format, and that some
|
|
diff implementations can't handle nonseekable input (I.E. reading from
|
|
a pipe). Bugfix so "help -a" works again. Option parsing on nohup now stops
|
|
at first nonoption argument. Fix segfault in "which" if PATH wasn't set,
|
|
which was actually a bug in lib function find_in_path(). Made rm -rf of
|
|
chmod 000 directories actually remove them.</p>
|
|
|
|
<p>The build now passes the same $CFLAGS to the library probe as the final
|
|
build, because arch linux is so broken it provides different sets of
|
|
libraries for static and dynamic linking.</p>
|
|
|
|
<p>It turns out sprintf("%.123s", str) is counting characters, not bytes,
|
|
so globally enabling locale support opens stack smashing vulnerabilities.
|
|
So there's a new TOYFLAGS_LOCALE you set in toyflags when you want the
|
|
setup code to setlocale().</p>
|
|
|
|
<p><b>Upgrades:</b></p>
|
|
|
|
<p>Isaac Dunham extended cpio to archive unreadable empty files, and I taught it
|
|
to set uid/gid and timestamp when extracting archives. Isaac also
|
|
added tests for cpio, link, and du, added lspci -i, made the pci database
|
|
parsing skip # comment lines, merged logname and whoami into id.</p>
|
|
|
|
<p>Daniel Verkamp sped up md5sum about 30% with some loop unrolling, making
|
|
it actually smaller in the process. I added -b flags to md5sum and sha1sum
|
|
for "brief" output that's just the hash with no filename. (I'm aware other
|
|
implementations use that for MSDOS "binary" mode, and don't care.)</p>
|
|
|
|
<p>When building standalone commands (scripts/singleconfig.sh commandname),
|
|
the build now switches on all the sub-options of the command so we get
|
|
a standalone version with all the bells and whistles enabled.</p>
|
|
|
|
<p>Add -ds flags to date and document +FORMAT escapes. Add the shell NOP
|
|
command ":" as an alias for true (for toysh).</p>
|
|
|
|
<p>Add uClibc probe for iconv() and fallocate. (The fact it didn't always
|
|
build against uClibc is why fallocate wasn't enabled in defconfig before.)</p>
|
|
|
|
<p>The umount command now does an losetup -d on the device by default, so
|
|
we don't leak loopback devices. Bugfix to losetup so "losetup /dev/loop0
|
|
filename" actually works again.</p>
|
|
|
|
<p>Divya Kothari sent in test suite entries for ls, ln, rm, mv, printf, dd,
|
|
and renice. Then a second round for lsattr/chattr, mount, chmod, pgrep/pkill,
|
|
groupadd, groupdel, and useradd. Several of these uncovered bugs, still
|
|
working to fix them.</p>
|
|
|
|
<p>There are now free() functions for the predefined llist types and a
|
|
dlist_terminate() function to break doubly linked lists. The new
|
|
generic_signal() handler either sets "toys.signal" or writes a byte
|
|
to toys.signalfd with the signal number if signalfd isn't -1 (which it's
|
|
initialized to in toy_init).</p>
|
|
|
|
<p>The option parsing logic can now detect when a double fits in a long and
|
|
use the more precise type for floating point arguments (the FLOAT macro
|
|
contains the type used). The human_readable() function now just outputs
|
|
decimal kilo/mega/gigabytes (so when du -u says 5.0G it means 5.0 billion
|
|
bytes). The build infrastructure now notices duplicate commands (so if you
|
|
cp toys/pending/command.c toys/other/command.c and forget to delete the
|
|
first one, the build break is now more informative).</p>
|
|
|
|
<a name="20-04-2014" /><a href="#20-04-2014"><hr><h2><b>April 20, 2014</b></h2></a>
|
|
<blockquote><p>And to this end they built themselves a stupendous supercomputer
|
|
which was so amazingly intelligent that even before the data banks
|
|
had been connected up it had started from "I think therefore I am" and got as
|
|
far as the existence of rice pudding and income tax before anyone managed to
|
|
turn it off. - The Hitchhiker's Guide to the Galaxy.</p></blockquote>
|
|
|
|
<p><a href=downloads/toybox-0.4.8.tar.bz2>Toybox 0.4.8</a> is based on
|
|
<a href=http://landley.net/hg/toybox/shortlog/1262>commit 1262</a>. And
|
|
about time too.</p>
|
|
|
|
<p>The big news is that the build no longer needs python to generate help.h,
|
|
that's now done in C. The help text generation is also collating help text
|
|
from multiple options, merging command line option blocks and usage: lines.
|
|
There's even a new <a href=help.html>help web page</a>.</p>
|
|
|
|
<p><b>New commands:</b> Ifconfig, cpio, and su were cleaned up the rest of the
|
|
way and promoted out of pending. That saga is mostly explained on the
|
|
<a href=cleanup.html>cleanup page</a>. Vivek Bhagat's freeramdisk,
|
|
Isaac Dunham's fsfreeze, and Felix Janda's iconv are also new.</p>
|
|
|
|
<p><b>In pending:</b>
|
|
Ashwini Sharma's team submitted tcpsvd, udpsvd, telnet, telnetd, last, more,
|
|
groupdel/delgroup, arping, brctl, ftpget, ftpput, printf, reset, and added
|
|
ipv6 support to traceroute. Kyungwan Han's team submitted modprobe and getty.
|
|
Vivek Bhagat submitted openvt and deacllocvt. Samuel Holland submitted fold.
|
|
I wrote a new inflate (zip/zlib/gzip decompression) implementation in
|
|
compress.c, and still need to do a corresponding deflate (compression-side)
|
|
and plug them into gzip and zip and so on. (Right now it does zcat.)</p>
|
|
|
|
<p>Several commands (vmstat, login, du, vconfig, mountpoint, free, chroot,
|
|
cut, touch, modinfo, expand) predate the "pending" directory, and are thus
|
|
in other directories but still need cleanup. Of these, vmstat got some
|
|
work this time (which would be much easier other vmstat implementations
|
|
documented what their output actually meant).</p>
|
|
|
|
<p><b>Upgrades:</b> Ifconfig grew /prefix netmask support (ala 1.2.3.4/24). Grep now has -zZ to
|
|
handle null terminated data, cksum grew -H for hex output. Upgraded od so the
|
|
fields align better when producing multiple output types. Help has -a and -h
|
|
options (all commands, html output).
|
|
Bugfix to blkid building for a 32 bit target. The date command can actually
|
|
set dates now. The O_NOFOLLOW compile time probe didn't work with cross
|
|
compiling, so it's back to an #ifdef test in portability.h. Nathan McSween
|
|
sent in a bugfix to od and a portability fix in the common library code.
|
|
Ashwini Sharma spotted a bug in pidof -o, and added verbose (-v) options
|
|
to mkdir and ln, and suggested killall should have an -s option and
|
|
allow -l to take zero arguments. Ashwini Sharma and Felix Janda upgraded
|
|
tftpd. Fixed dumpleases still using toynet.h after
|
|
that was removed. Corrected killall return code and error reporting.
|
|
Isacc Dunham fixed bugs all over the tree, did cleanup on a bunch of
|
|
pending commands (getty, ftpget, init, openvt, modprobe...), and clarified
|
|
find's help text. Tom Sparrow ran three different static analyzers on
|
|
the code, which resulted in a few cleanups. The peek()/poke() functions
|
|
now use "volatile" to prevent broken compiler "optimizations" to do with
|
|
aliasing.</p>
|
|
|
|
<p><b>Build stuff:</b> Each FOR_xxxx macro now has a complementary CLEANUP_xxxx macro, so you
|
|
can put multiple commands with different command line options in the same
|
|
.c file, so they can share infrastructure outside of lib. (This let the
|
|
bunzip logic move out of lib into bzcat.c.) See XXX for example.
|
|
i
|
|
<p>The headers #included in toys.h are now grouped by standard, and headers
|
|
not listed in Posix or LSB were moved to portability.h. The old xregcomp.h
|
|
was folded into lib.h because it's posix (and supporting oddball uClibc
|
|
configurations isn't as important as it once was).</p>
|
|
|
|
<p>Regression tested against Ubuntu 8.04 to fix up bit-rot in defconfig
|
|
build on older systems. (We depend on Posix-2008, but not necessarily
|
|
the absolute latest build environment.)</p>
|
|
|
|
<p><b>In lib</b>: lib/xwrap.c added xgetpwnam(), xchroot(), and lib/lib.c now has names_to_pid().
|
|
xsetuid() was replaced with xsetuser() which takes a struct passwd
|
|
and sets both gid and uid, mkpathat() got factored out into a library command,
|
|
get_int_value() became atolx_range(), and
|
|
xmsprintf() is now just xmprintf(). The bunzip2 logic moved from lib into
|
|
bzcat.c.</p>
|
|
|
|
<p><b>Documentation</b>: new <a href=help.html>help page</a> with the
|
|
help text for all the defconfig commands, using the new help -ah output.
|
|
The <a href=code.html>source code walkthrough</a> now says more about
|
|
#including header files, and how the generated/* directory works. The
|
|
<a href=design.html>design page</a> has some new paragraphs about trading
|
|
of different kinds of simplicity, and why comments aren't a substitute for
|
|
good code. The README no longer trails off into obvious unfinished confusion
|
|
at the end. Each page on the website should now have its own title.</p>
|
|
|
|
<a name="18-11-2013" /><a href="#18-11-2013"><hr><h2><b>November 18, 2013</b></h2></a>
|
|
<blockquote><p>"Space," it says, "is big. Really big. You just won't believe how vastly, hugely, mindbogglingly big it is. I mean, you may think it's a long way down the street to the chemist's, but that's just peanuts to space." -
|
|
The Hitchhiker's Guide to the Galaxy.</p></blockquote>
|
|
|
|
<p><a href=downloads/toybox-0.4.7.tar.bz2>Toybox 0.4.7</a> is based on
|
|
<a href=http://landley.net/hg/toybox/shortlog/1122>commit 1122</a>.</p>
|
|
|
|
<p>New commands: Brad Conroy submitted blkid. Elie De Brauwer submitted
|
|
reboot, halt, and poweroff. Strake's nl got cleaned up and promoted from
|
|
pending to posix. In addition, the existing chvt and vconfig got some
|
|
cleanup.</p>
|
|
|
|
<p>That said, I haven't nearly kept up with the flood of new commands going
|
|
into pending: Ashwini Sharma's team submitted
|
|
dd, dumpleases, traceroute, top, useradd, groupadd, mkpasswd, tftpd, and
|
|
an fsck wrapper (with no filesystem drivers yet). Isaac Dunham sent in cpio.</p>
|
|
|
|
<p>Bugfixes: Jeroen van Rijn added a user count to uptime. Elie De Brauwer
|
|
added -e to watch, removed a memory leak, and fixed a terminal size problem.
|
|
William Haddon made xargs call its command line once even with blank input
|
|
(the standard is vague, but builds expect it), and fixed an off by one bug
|
|
where grep didn't malloc enough space with -E (leading to a segfault).
|
|
I fixed a glitch in bunzip2 (same one as went into busybox since they're using
|
|
the code I wrote), in od to fix -t co, -J, and -c options. Add uname -o as a
|
|
synonym for -s. Build fix to never use $CC without prefixing it with
|
|
$CROSS_COMPILE (since $HOSTCC could be different). Anca Emanuel spotted
|
|
a typo in the web page.</p>
|
|
|
|
<p>The compile-time command line option parsing got rewritten (ported from
|
|
bash to C), which should speed up builds a bit and allow code controlled by
|
|
--longopts to drop out properly when disabled in the configuration. Terminal
|
|
querying got refactored. Patch's -x option is now more informative (a
|
|
debug thing if you're trying to figure out why a patch didn't apply).
|
|
The "toynet.h" file got folded into toys.h since musl supports it and
|
|
micromanging uClibc options isn't very interesting anymore. The test suite
|
|
now uses scripts/single.sh when testing a single command.</p>
|
|
|
|
<a name="17-09-2013" /><a href="#17-09-2013"><hr><h2><b>September 17, 2013</b></h2></a>
|
|
<blockquote><p>"Think of a number," said the computer, "any number."
|
|
Arthur told the computer the telephone number of King's Cross railway
|
|
station passenger inquiries, on the grounds that it must have some function,
|
|
and this might turn out to be it. - The Hitchhiker's Guide to the Galaxy</p>
|
|
</blockquote>
|
|
|
|
<p><a href=downloads/toybox-0.4.6.tar.bz2>Toybox 0.4.6</a> is based on
|
|
<a href=http://landley.net/hg/toybox/shortlog/1068>commit 1068</a>.</p>
|
|
|
|
<p>This release adds
|
|
several new commands: Felix Janda wrote paste and fallocate, Kyungwan Han
|
|
submitted eject, Strake contributed grep, Ashwini Sharma added pmap (and
|
|
a testsuite entry for grep), Lukasz Skalski sent pwdx, Isaac Dunham posted
|
|
acpi, and I did timeout and umount.</p>
|
|
|
|
<p>The ls command now has a --color=auto option (suggested by Rich Felker).
|
|
The multiplexer now has a --help option so you can say "./toybox --help blah"
|
|
instead of using the built-in "help" command. (Which is a shell built-in.
|
|
Try it on your command line, it's like man for shell builtins. But a certain
|
|
other project has conditioned people to expect --help, so...) I forget who
|
|
heehooman at gmail is but they pointed out unshare needed PID and UID
|
|
namespace support.</p>
|
|
|
|
<h3>Pending</h3>
|
|
|
|
<p>A lot of new commands in toys/pending, to the point the next release should
|
|
probably just focus on cleanup and review of this backlog. We've got klogd,
|
|
dhcp, dhcpd, watch, route, and ps from
|
|
Ashwini Sharma (and an fsck wrapper but no fsck.fstype engines yet),
|
|
syslogd, pgrep, and pkill from Madhur Verma, netstat by Ranjan Kumar,
|
|
test by Felix Janda, lspci by Isaac Dunham, nl, su, and renice by strake (I.E.
|
|
M. Farkas-Dyck), and sysvinit by Kyungwan Han.</p>
|
|
|
|
<p>Some cleanup work on existing pending commands that aren't
|
|
ready to promote yet: I did a few more rounds on ifconfig
|
|
and Isaac Dunham's did several cleanups to xzcat, Felix Janda cleaned up
|
|
logger and syslogd...</p>
|
|
|
|
<p>Also some cleanup work on commands that predate the pending directory,
|
|
but weren't quite polished when they went in, most prominently du,
|
|
expand, and touch.</p>
|
|
|
|
<h3>Infrastructure</h3>
|
|
|
|
<p>The new scripts/single.sh builds a standalone command without the
|
|
multiplexer, although not all commands can be built that way yet (NEWTOY yes,
|
|
OLDTOY no) and the space savings aren't anything to write home about. (If a
|
|
command needs the option parsing logic at all, it needs all of it.) If
|
|
you're curious, you can do:</p>
|
|
|
|
<blockquote><pre>
|
|
make defconfig
|
|
make
|
|
mkdir singles
|
|
for i in $(./toybox)
|
|
do
|
|
echo $i
|
|
PREFIX=singles/ scripts/single.sh $i || break
|
|
done
|
|
</pre>
|
|
<p>(And then wait a long time and watch almost half the builds fail.)</p>
|
|
</blockquote>
|
|
|
|
<p>There is now libbuf analogous to toybuf, another global 4k buffer this
|
|
time for use by lib/ code instead of command code.</p>
|
|
|
|
<p>The lib directory got split up a bit, lib/pending.c contains functions
|
|
not yet used by anything outside of toys/pending/*, and lib/xwrap.c contains
|
|
functions that wrap other functions and handle failures (via error_exit).
|
|
This leaves lib/lib.c containing actual new functions.</p>
|
|
|
|
<p>General improvements and bug fixes to argument parsing. The [-abc] exclude
|
|
logic should now clear arguments slots when disabling options. Bare --longopts
|
|
should work now and be able to report errors using their name, the new ;
|
|
option allows optional arguments to longopts only suppliable with = (I.E.
|
|
--color and --color=auto but not --color auto).</p>
|
|
|
|
<p>I'm gradually weaning the code off of itoa()/utoa() because sprintf
|
|
does this already. In this case "simple" probably means "let libc do it
|
|
for us".</p>
|
|
|
|
<p>Rewrote for_each_pid_with_name_in() and renamed it to just names_to_pid().
|
|
It shouldn't get confused trying to compare absolute and relative paths quite
|
|
so much anymore.</p>
|
|
|
|
<p>lib/llist.c grew a new dlist_pop() function for removing a doubly
|
|
linked list entry while maintaining a circular list; tail and patch are
|
|
using it now.</p>
|
|
|
|
<p>The musl guys suggested a new optimization flag
|
|
(-fno-asynchronous-unwind-tables)
|
|
that shaves about 10% off the binary size by removing a C++ism that crept
|
|
into gcc's idea of C. While I don't normally try to micromanage the compiler,
|
|
"-fstop-being-stupid" is a thing you have to hit gcc with from time to time.</p>
|
|
|
|
<h3>Bugfixes</h3>
|
|
|
|
<p>Felix Janda and I did a largeish rewrite of tail to
|
|
finally make it work right (we think). Still need to implement tail -f
|
|
someday (the tricky bit is making -f follow multiple files at once).
|
|
Felix also reported a bug in xpidfile.</p>
|
|
|
|
<p>Juhani Haverinen pointed out that
|
|
python 3 doesn't work with config2help.py, so the detection logic looks
|
|
for python2 (until I get around to rewriting that in C). Elie De Brauwer
|
|
then fixed our first attempt at this, and also fixed uname's help string.</p>
|
|
|
|
<p>Ashwini Sharma
|
|
pointed out the build was making a FLAG_ macro for " " which broke some
|
|
configurations. (That's a control character, not a command line option.)</p>
|
|
|
|
<p>Jacek Bukarewicz pointed out a bug in chdir permission handling, and
|
|
a way to make env segfault. Both should be fixed now.</p>
|
|
|
|
<p>The new function xexec_optargs()
|
|
replaces calls to xexec(toys.optargs) to avoid freeing and reusing optargs
|
|
during option parsing screwing stuff up (such as netcat's exec mode).</p>
|
|
|
|
<p>The stat command's %a output was padded with leading zeroes, which
|
|
didn't match anybody else's behavior and thus made the test suite hiccup
|
|
between TEST_HOST and testing toybox. (If you go "TEST_HOST=1 scripts/test.sh
|
|
command" it sanity checks the tests against the host implementation.)</p>
|
|
|
|
<p>Last release, "mkdir sub/sub && chmod 007 sub/sub && rm -rf sub" didn't
|
|
delete sub and didn't exit with an error either. Neither was correct, rm
|
|
should now be fixed.</p>
|
|
|
|
<p>
|
|
<a name="26-07-2013" /><a href="#26-07-2013"><hr><h2><b>July 26, 2013</b></h2></a>
|
|
<p>Georgi Chorbadzhiyski maintains a <a href=https://github.com/gfto/toybox>git
|
|
mirror</a> of the repository on github, automatically updated from the
|
|
mercurial every 6 hours. The mirror is read only, but you can generate patches
|
|
against it and post them to the list.</p>
|
|
|
|
<a name="02-07-2013" /><a href="#02-07-2013"><hr><h2><b>July 2, 2013</b></h2></a>
|
|
<blockquote><p>"Time is an illusion. Lunchtime doubly so." "Very deep. You
|
|
should send that in to the Reader's Digest. They've got a page for people
|
|
like you." -
|
|
The Hitchhiker's Guide to the Galaxy.</p></blockquote>
|
|
|
|
<p><a href=downloads/toybox-0.4.5.tar.bz2>Toybox 0.4.5</a> is based on
|
|
<a href=http://landley.net/hg/toybox/shortlog/941>commit 941</a>. It adds
|
|
uuencode and uudecode from Erich Plondke, and enables Luis Morales' "who" by
|
|
default. Felix Janda and I cleaned up last year's "stat" submission and
|
|
enabled it. Ivo van Poorten added "groups".
|
|
Andre Renaud added "lsusb". I implemented "split", "pivot_root", and "mv".
|
|
</p>
|
|
|
|
<p>The "help" command is implemented differently now (lib/help.c) and
|
|
each command can now understand --help (including both "toybox --help"
|
|
and "toybox --help command" in the multiplexer).</p>
|
|
|
|
<p>The "pending" directory has several commands (find, xzcat, nbd-client,
|
|
logger, expr) which work but are not enabled by default pending further cleanup.
|
|
Ifconfig is enabled, but still in pending because it's only 2/3 cleaned up.
|
|
(It's an awkward halfway state but I'm not holding up the release for it.)</p>
|
|
|
|
<p>I'm <a href=cleanup.html>documenting the cleanups</a> to teach
|
|
more people to do it, but the writeups aren't caught up yet. The
|
|
<a href=roadmap.html>roadmap</a> also got updated a bit with further analysis
|
|
of other projects, and the README and about pages got updated.</p>
|
|
|
|
<p>Fixed _another_ "ls -C" segfault when terminal size can't be detected,
|
|
condensed the ls help text to fit on one page, implented --color, and taught
|
|
-l to print the major, minor numbers when showing block/char devices.
|
|
Argument parsing now handles "--" properly (to end option checking),
|
|
and the infrastructure can now handle bare --longopts that have no
|
|
corresponding short option (both were implemented before but didn't work).
|
|
Fixed an old bug in "patch", chmod grew -f, who grew -a. Isaac Dunham
|
|
fixed "-" vs "_" handling in modinfo, added a "firmware" output
|
|
field, added -b and -k support, and taught it that the ".ko" extension means
|
|
to look for the file at the specified path instead of under /lib. Felix Janda
|
|
moved file permission display code to lib so ls and
|
|
stat could share it. Ashwini Sharma spotted a bug in xabspath when the
|
|
last path component exists but we haven't got permissions to open it
|
|
(ala readlink -f /dev/sda as a normal user).
|
|
</p>
|
|
|
|
<p>In the build infrastructure, scripts/findglobals.sh finds leaked global
|
|
variables. (Leaked means they aren't part of the global union: Other than glibc
|
|
debris, toybox should define "this", "toy_list", "toybuf", and "toys", and
|
|
that's it; the rest add memory footprint to every command for the benefit of
|
|
just one command; use GLOBALS() to stick 'em in the union.) Static linking
|
|
against libraries other than the host's libc now applies to feature probes
|
|
for unshare and such. Neuter stupid internationalization support that makes
|
|
various host "sort" commands put things in an order other than alphabetical
|
|
(breaking the multiplexer's binary search on command names).
|
|
|
|
<p>You should now be able to build from a source control snapshot on a build
|
|
system that hasn't got python: if you disable CONFIG_TOYBOX_HELP. (The
|
|
release tarballs ship generated/help.h, but it's not in source control.
|
|
Eventually I should rewrite that python script in C.)</p>
|
|
</p>
|
|
|
|
<p><b>LICENSE TWEAK</b>: After <a href=http://lists.landley.net/pipermail/toybox-landley.net/2013-March/000794.html>discussion</a> on the mailing list the "2 clause
|
|
BSD" <a href=license.html>license</a> got slightly simplified so the first
|
|
paragraph now says:</p>
|
|
|
|
<blockquote><p>Permission to use, copy, modify, and/or distribute this
|
|
software for any purpose with or without fee is hereby granted.</p></blockquote>
|
|
|
|
<p>It used to continue "provided that the above copyright notice and this
|
|
permission notice appear in all copies", but A) what's the point? B) does "all
|
|
copies" mean binaries, or just source code, or what? C) lots of projects
|
|
that consider BSD and GPL compatible have <a href=https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/crypto/aes_generic.c>files with
|
|
both license notices</a> on them (sometimes at <a href=http://git.busybox.net/busybox/tree/shell/ash.c>opposite ends of the file</a> to make the conflict
|
|
less obvious) because "all copies must include this function" would violate
|
|
the GPL but "all copies must include this magic text blob" somehow don't?</p>
|
|
|
|
<p>I don't want to have to care about this anymore. The tweaked version is more
|
|
or less public domain with a liability disclaimer, but we're still calling it
|
|
BSD (sometimes "0 clause BSD") to avoid explaining.</p>
|
|
|
|
<a name="21-03-2013" /><a href="#21-03-2013"><hr><h2><b>March 21, 2013</b></h2></a>
|
|
<p>Video of my ELC talk
|
|
"<a href=http://youtu.be/SGmtP5Lg_t0>Why is Toybox?</a>"
|
|
is up on youtube. Related materials include the
|
|
<a href=http://landley.net/talks/celf-2013.txt>talk outline</a> and an
|
|
<a href=/aboriginal/about.html#selfhost>android self-hosting writeup</a>.</p>
|
|
|
|
<p>[Updated June 4] The following links jump to specific topics in the video. (Sorry about
|
|
the ads, it's The Linux Foundation.)</p>
|
|
|
|
<ul>
|
|
<li>0m29s <a href=http://www.youtube.com/watch?v=SGmtP5Lg_t0#t=0m29s>The smartphone is replacing the PC</a></li>
|
|
<ul>
|
|
<li>4m22s <a href=http://www.youtube.com/watch?v=SGmtP5Lg_t0#t=4m22s>Software needed to become self-hosting</a></li>
|
|
<li>6m20s <a href=http://www.youtube.com/watch?v=SGmtP5Lg_t0#t=6m20s>Do we care if android or iphone wins?</a></li>
|
|
</ul>
|
|
<li>9m45s <a href=http://www.youtube.com/watch?v=SGmtP5Lg_t0#t=9m45s>Android not vanilla: oppose or accept?</a></li>
|
|
<ul>
|
|
<li>11m30s <a href=http://www.youtube.com/watch?v=SGmtP5Lg_t0#t=11m30s>Open source can't do User Interfaces</a></li>
|
|
</ul>
|
|
<li>15m09s <a href=http://www.youtube.com/watch?v=SGmtP5Lg_t0#t=15m09s>Android is not copyleft: oppose or accept?</a></li>
|
|
<li>18m23s <a href=http://www.youtube.com/watch?v=SGmtP5Lg_t0#t=18m23s>Security issues</a></li>
|
|
<li>21m15s <a href=http://www.youtube.com/watch?v=SGmtP5Lg_t0#t=21m15s>Solutions to the software problems</a></li>
|
|
<ul>
|
|
<li>22m55s <a href=http://www.youtube.com/watch?v=SGmtP5Lg_t0#t=22m55s>What toybox needs to be/do</a></li>
|
|
<li>28m17s <a href=http://www.youtube.com/watch?v=SGmtP5Lg_t0#t=28m17s>What is toybox?</a></li>
|
|
<ul>
|
|
<li>28m58s <a href=http://www.youtube.com/watch?v=SGmtP5Lg_t0#t=28m58s>Why toybox started...</a></li>
|
|
<li>37m50s <a href=http://www.youtube.com/watch?v=SGmtP5Lg_t0#t=37m50s>What does toybox actually implement?</a></li>
|
|
</ul>
|
|
</ul>
|
|
</ul>
|
|
</span>
|
|
|
|
|
|
<a name="14-03-2013" /><a href="#14-03-2013"><hr><h2><b>March 14, 2013</b></h2></a>
|
|
<blockquote><p>"Ford, you're turning into a penguin. Stop it." -
|
|
The Hitchhiker's Guide to the Galaxy.</p></blockquote>
|
|
|
|
<p><a href=downloads/toybox-0.4.4.tar.bz2>Toybox 0.4.4</a> is based on
|
|
<a href=http://landley.net/hg/toybox/shortlog/813>commit 813</a>, adding
|
|
the "time" and "readahead" commands, plus some bugfixes.</p>
|
|
|
|
<p>The "cp" command now implements the -s symlink option, plus bugfixes
|
|
getting various corner cases right as used in actual package builds.
|
|
"id -Gn root" should now print root's groups
|
|
instead of the current user's. Several build fixes so toybox builds under
|
|
Ubuntu 8.04 again (which is about as old a build environment as you
|
|
can expect to find posix-2008 features in).</p>
|
|
|
|
<p>Unfinished commands have generally been moved to "toys/pending".
|
|
Everything else should "default y" to participate in make defconfig.
|
|
Several of those pending commands got some basic cleanup so allyesconfig
|
|
should at least compile (although defconfig is still what's useful).</p>
|
|
|
|
<p>Significant roadmap updates, checking several other multicall binaries
|
|
(klibc, sash, sbase, s6...) to see what commands they include.</p>
|
|
|
|
<a name="18-01-2013" /><a href="#18-01-2013"><hr><h2><b>January 18, 2013</b></h2></a>
|
|
<blockquote><p>This must be Thursday. I never could get the hang of Thursdays. - The Hitchhiker's Guide to the Galaxy.</p></blockquote>
|
|
|
|
<p><a href=downloads/toybox-0.4.3.tar.bz2>Toybox 0.4.3</a> is based on
|
|
<a href=http://landley.net/hg/toybox/shortlog/793>commit 793</a>. There
|
|
are now exactly 100 commands in defconfig (of a little over 220 on the
|
|
<a href=roadmap.html>todo list</a>).</p>
|
|
|
|
<p>Elie De Brauwer added the rev command, cleaned up tac, implemented the -s
|
|
and -f flags for seq, added -v and -i to killall (and fixed killall not to
|
|
kill itself before finishing its pid list), and added to the test suite.
|
|
Felix Janda added -m to mkdir, pwd -L and -P, and more test suite entries.</p>
|
|
|
|
<p>Rob Landley added the losetup command, and fixed the existing ls, cp, and
|
|
readlink commands. The segfault in ls
|
|
happened when it couldn't determine the screen size (last release changed the
|
|
default to -C and a screen size of 0 made column view unhappy), and cp got an
|
|
extensive rewrite bringing it up to date with the dirtree changes and fixing
|
|
a number of things it never did right in the first place. The xabspath()
|
|
code in the library now handles a symlink after ".." properly (and the test
|
|
suite checks for it).</p>
|
|
|
|
<p>Infrastructure-wise the code is better about automatically setting the
|
|
error return code properly. Now error_msg() sets the exit code to 1 if it's
|
|
still defaulting to 0, and the global exit path does a fflush(NULL) with error
|
|
bit check rather than trying to be quite so granular about flushing. (That
|
|
means if we use printf() instead of xprintf() it still exits with the right
|
|
error code, it just doesn't end the program early on an output error.)
|
|
Minor bugfix so TOYBOX_DEBUG
|
|
doesn't always warn about the lack of suid bit when toybox is built with
|
|
at least one STAYROOT command. Bugfix for the option [grouping] logic
|
|
(and then further fixes to the error reporting pointed out by Ashwini Sharma).
|
|
dirtree_handle_callback() now has a prefix like the rest of the dirtree
|
|
functions. A lot of stuff doing manual path handling was switched to using
|
|
libc basename() (including, embarassingly, the basename command), which means
|
|
it now correctly detects "/trailing/slash/" which the previous code didn't.</p>
|
|
|
|
<p>Also, last release included some accidentally checked in debug code that
|
|
disabled compiler optimization, so the binary size bloated a bit. It's back
|
|
to -Os by default now.</p>
|
|
|
|
<a name="15-12-2012" /><a href="#15-12-2012"><hr><h2><b>December 15, 2012</b></h2></a>
|
|
<blockquote><p>"The major difference between a thing that might go wrong and a
|
|
thing that cannot possibly go wrong is that when a thing that cannot possibly
|
|
go wrong goes wrong it usually turns out to be impossible to get at or repair."
|
|
</p><p>- The Hitchhiker's Guide to the Galaxy.</p></blockquote>
|
|
|
|
<p><a href=downloads/toybox-0.4.2.tar.bz2>Toybox 0.4.2</a> is based on
|
|
<a href=http://landley.net/hg/toybox/shortlog/749>commit 749</a> and is
|
|
just a resync. Linux 3.7 came out, meaning it's time to do an Aboriginal
|
|
Linux release, and that should use a stable version of toybox. So here's
|
|
a new stable version.</p>
|
|
|
|
<p>The new commands are cut (from Jason Kyungwan Han), touch
|
|
(from Choubey Ji), expand (from Jonathan Clairembault, and he fixed a
|
|
bug in login), and rm (from Rob Landley). Felix Janda added UTF-8
|
|
support infrastructure (for non-ascii character sets) with a config option.
|
|
Elie De Brauwer added tests for cat and sha1sum, and -so options to pidof.
|
|
The "ls" command defaults to -C (column view) now, and "readlink" now supports
|
|
-fenq.</p>
|
|
|
|
<p>Portability work: toybox should now build against the musl C library,
|
|
and against older glibc versions (circa 2008, much before that and kernel
|
|
features we depend on start to drop out).</p>
|
|
|
|
<p>The whole codebase got reindented from "one tab" to "two spaces" per
|
|
level. The option parsing logic now understands [groups] of commands (when more
|
|
than one in a group is selected it can switch the others off, or error out,
|
|
or other things). The error_exit() infrastructure can now longjmp back to an
|
|
earlier point instead of exiting. Each toys/* directory now has a README,
|
|
the first line of which is the fancy name menuconfig uses for the directory
|
|
(so no more hardwired directory list in scripts/genconfig.sh).</p>
|
|
|
|
<p>Fixed a filehandle leak in getmountlist().
|
|
Pass parent pointer to dirtree_add_node() so it can give error messages with
|
|
full path. The yesno() function now always reads from stdin and writes to
|
|
stderr (we can retry tty checking complexity once we've got commands needing
|
|
it).</p>
|
|
|
|
<p>The open group broke their website so the
|
|
<a href=http://opengroup.org/onlinepubs/9699919799>old links</a> to POSIX 2008
|
|
now <a href=http://pubs.opengroup.org/onlinepubs/9699919799>need to start with
|
|
pubs</a>. Some of the links in the tree have been updated, others haven't while
|
|
I wait to see if their webmaster notices and fixes it.</p>
|
|
|
|
<p>(I note that the current rm implementation is not technically posix compliant
|
|
because the standard requires infinite recursion depth and the current
|
|
implementation uses one filehandle per level. I can add a config option
|
|
to do it Posix's way, which is more brittle and needs extra security checks,
|
|
but am waiting for somebody to complain first. The default "ulimit -n" is 1024
|
|
filehandles, so drilling down over 1000 nested subdirectories).</p>
|
|
|
|
<a name="13-11-2012" /><a href="#13-11-2012"><hr><h2><b>November 13, 2012</b></h2></a>
|
|
<blockquote><p>"Rule Six: The winning team shall be the first team that wins."
|
|
- The Hitchhiker's Guide to the Galaxy.</p></blockquote>
|
|
|
|
<p><a href=downloads/toybox-0.4.1.tar.bz2>Toybox 0.4.1</a> is based on
|
|
<a href=http://landley.net/hg/toybox/shortlog/691>commit 691</a>.</p>
|
|
|
|
<p>Elie De Brauwer contributed usleep, Ashwini Kumar contributed du, and
|
|
Kyungwan Han contributed vconfig. Other new commands include switch_root and
|
|
md5sum, and the remaining shell wrappers are now proper commands (dos2unix,
|
|
unix2dos).</p>
|
|
|
|
<p>The patch command now supports -l, and gethostname is now enabled by
|
|
default. The df command follows symlinks to get the actual device name.
|
|
Felix Janda added -m support to wc (for utf8).</p>
|
|
|
|
<p>On the infrastructure side, the commands have now been grouped into
|
|
"posix", "lsb", and "other" subdirectories (for things required by Posix-2008,
|
|
the Linux Standard Base 4.1, and commands in neither). This affects menuconfig
|
|
and the actual source layout (toys/cp.c is now toys/posix/cp.c, and so on).
|
|
An android directory is planned (see the updated
|
|
<a href=roadmap.html#android>android roadmap analysis</a>).</p>
|
|
|
|
<p>The FLAG_ macros for command option parsing and TT alias for the command's
|
|
global block are now automatically generated, commands should
|
|
#define FOR_commandname before #including <toys.h> to get the macros for that
|
|
command.</p>
|
|
|
|
<p>An upgrade to the build infrastructure now allows commands with _ and -
|
|
in them, such as switch_root.</p>
|
|
|
|
<p>Bugfixes: Avery Pennarun spotted a case where ls showed uid twice instead of
|
|
uid and gid, and that nice was using the wrong range of numbers.
|
|
The ls command also recursed inappropriately last time (not quite
|
|
properly converted for the dirtree changes last release), and now it's
|
|
fixed. Roy Tam pointed out a glitch in sh, and fixed df's percentage
|
|
calculation to match the POSIX spec. The kernel build didn't like our mktemp
|
|
and it does now. The wc command wasn't quite posix compliant (trailing spaces
|
|
break stuff). The ls command recursed inappropriately last time (not quite
|
|
properly converted for the dirtree changes last release), and now it's
|
|
fixed. The catv command wasn't displaying byte 255 correctly. Some lib
|
|
fixes (thinko in xpidfile). Fixed uname -m when running a 32 bit x86 binary
|
|
on an x86-64 host (it lies and says the system is i686, i586, or i486 depending
|
|
on what the toolchain that built the binary supported. This makes builds in
|
|
a 32 bit chroot on a 64 bit kernel break less.) The df command was checking
|
|
partitions in the wrong order (displaying undermounts instead of overmounts:
|
|
this used to work but some library code changed out from under it and it
|
|
wasn't updated to match until now). Felix Janda filled out the test suite
|
|
some more. The patch file creation logic got tweaked several times to
|
|
successfully apply more patches. Support for older (pre 2.10) glibc
|
|
versions was added to portability.h.</p>
|
|
|
|
<p>Miscelaneous cleanups all around (mknod, sha1sum, logname), including a
|
|
rewrite of taskset to be less dependent on libc getting the headers right. All
|
|
the command headers should now point to the current relevant standards
|
|
document, where applicable.</p>
|
|
|
|
<p>This news page had old news entries from before the relaunch moved into
|
|
a separate <a href=oldnews.html>oldnews</a> page.</p>
|
|
|
|
<p>I forgot to create <a href=bin>static binaries</a> last time, but they're
|
|
back now.</p>
|
|
</span>
|
|
|
|
<a name="23-07-2012" /><a href="#23-07-2012"><hr><h2><b>July 23, 2012</b></h2></a>
|
|
<blockquote><p>"Ford", Arthur said. "There's an infinite number of monkeys
|
|
out here who want to talk to us about this script for Hamlet they've worked
|
|
out." - The Hitchhiker's Guide to the Galaxy.</p></blockquote>
|
|
|
|
<p><a href=downloads/toybox-0.4.0.tar.bz2>Toybox 0.4.0</a> is based on
|
|
<a href=http://landley.net/hg/toybox/shortlog/640>commit 640</a>.</p>
|
|
|
|
<p>The new <a href=status.html>status page</a> is calculated from
|
|
the roadmap info, and should be easier to keep up to date in future.</p>
|
|
|
|
<p>Andre Renaud contributed od and modinfo. Elie De Brauwer contributed
|
|
taskset, bugfixes to cmp and tail, and tests for sort and tail. Kyungwan Han
|
|
contributed passwd. Gaurang Shastri contributed w. Ashwini Sharma spotted a
|
|
case where dirtree was adding extra slashes to a path.</p>
|
|
|
|
<p>I rewrote od, cleaned up comm, documented the
|
|
<a href=code.html#lib_llist>llist</a> and
|
|
<a href=code.html#lib_dirtree>dirtree</a> infrastructure, added an -r option
|
|
to date (and fixed a bug where -u wouldn't override /etc/localtime),
|
|
fixed bugs in chmod +stw, fixed ls to show suid bits properly when the
|
|
corresponding executable bit wasn't set, and worked around a longstanding
|
|
glibc bug where static linking prevents stdout from automatically flushing
|
|
pending output on exit.</p>
|
|
|
|
<a name="25-06-2012" /><a href="#25-06-2012"><hr><h2><b>June 25, 2012</b></h2></a>
|
|
<blockquote><p>"For a moment, nothing happened. Then, after a second or so, nothing continued to happen." - The Hitchhiker's Guide to the Galaxy.</p></blockquote>
|
|
|
|
<p><a href=downloads/toybox-0.3.1.tar.bz2>Toybox 0.3.1</a> is based on commit
|
|
<a href=http://landley.net/hg/toybox/shortlog/607>commit 607</a>. It's
|
|
mostly a bugfix release for ls -l (which was unhappy on targets other than
|
|
x86-64), plus a new "date" from Andre Renaud and rewritten chgrp/chown which
|
|
now support the full set of posix flags, plus a little work on the test
|
|
suite and some more header tweaks towards eventual compatability with the
|
|
musl libc.</p>
|
|
|
|
<p>The todo list runneth over, but "release early, release often", so here
|
|
it is. The roadmap and documentation are a bit behind, and I've got ~40
|
|
pending submissions to review. I need to catch up...</p>
|
|
</span>
|
|
|
|
<a name="12-06-2012" /><a href="#12-06-2012"><hr><h2><b>June 12, 2012</b></h2></a>
|
|
<blockquote><p>"For instance, on the planet Earth, man had always assumed that
|
|
he was more intelligent than dolphins because he had achieved so much - the
|
|
wheel, New York, wars and so on - whilst all the dolphins had ever done was
|
|
muck about in the water having a good time. But conversely, the dolphins had
|
|
always believed that they were far more intelligent than man - for precisely
|
|
the same reasons." - The Hitchhiker's Guide to the Galaxy.</p></blockquote>
|
|
|
|
<p>It's well past time for <a href=downloads/toybox-0.3.0.tar.bz2>toybox 0.3.0</a>,
|
|
so here it is, based
|
|
on <a href=http://landley.net/hg/toybox/shortlog/595>commit 595</a>, and the
|
|
statically linked <a href=downloads/binaries>prebuilt binaries</a> should
|
|
actually be statically linked this time (thanks Ashwini Sharma for spotting
|
|
that).</p>
|
|
|
|
<p>It's hard to figure out where to cut a release, because development
|
|
doesn't stop. "Long before now" is the obviuos answer, of course.
|
|
The project's maintainer also moved house during this development cycle, which
|
|
threw things off for a bit (so many boxes). Releases should hopefully be a bit
|
|
more frequent from here on.</p>
|
|
|
|
<p>The big things Rob worked on this time were the new dirtree (directory
|
|
tree traversal) infrastructure, and a complete rewrite of ls using that
|
|
which should now implement all 26 posix options.</p>
|
|
|
|
<p>Georgi Chorbadzhiyski added printenv, whoami, mkdir, mkfifo, chmod, chown,
|
|
chgrp, and uniq. He also added fraction and extension support to sleep (so if
|
|
you need a quarter-second sleep, it can do that now), and fixed a build bug
|
|
on slackware.</p>
|
|
|
|
<p>Daniel Walter contributed a string to mode_t parser (in use by chmod and
|
|
mkdir -m). Ilya Kuzmich contributed comm. Elie De Brauwer added mountpoint,
|
|
vmstat, logname, login, and mktemp. Kevin Chase did some portability cleanups.
|
|
Pere Orga fixed some documentation.</p>
|
|
|
|
<p>The "tac" and "clear" commands are now normal commands instead of shell
|
|
wrappers, and the header #includes have been cleaned up a bit to remove
|
|
deprecated functions and attempt to increase compatability with the bionic and
|
|
musl C libraries, "tail" should now use lseek() for large files, and "id" got
|
|
some cleanups and bugfixes.</p>
|
|
|
|
<p>The new TOYBOX_FLOAT configuration option selects whether or not
|
|
to include floating point support (for embedded targets where that's
|
|
problematic).</p>
|
|
|
|
<p>Several random bugfixes: unshare() might actually build portably now,
|
|
yes 'n' | cp -i should no longer bypass stdin and prompt via the tty, the
|
|
SUID support no longer drops permissions going through the toybox
|
|
multiplexer command, and a bugfix to xargs -0 means it should no longer
|
|
segfault. (I have a pending bug report about xargs not doing the full
|
|
posix whitespace handling that -0 obsoleted, but I'll deal with that next
|
|
release.)</p>
|
|
|
|
<p>The build infrastructure is now automatically generating FLAG_ macros
|
|
for the options, but currently with the wrong names. Some more macro glue
|
|
is necessary, which I haven't quite figured out how to do yet.</p>
|
|
|
|
<p>A defconfig toybox at the start of the $PATH has successfully built
|
|
Linux From Scratch (in my Aboriginal Linux project). The commands that
|
|
'default n' in the config are often still broken, cleanup is ongoing.
|
|
(The new dirtree stuff broke several of them that haven't been converted
|
|
yet, but if I wait until everything works we won't have a release before
|
|
1.0, so here's a checkpoint.)</p>
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<a name="03-03-2012" /><a href="#03-03-2012"><hr><h2><b>March 3, 2012</b></h2></a>
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<blockquote><p>"They went unnoticed at Goonhilly, passed over Cape Canaveral
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without a blip, and Woomera and Jodrell Bank looked straight through them.
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Which was a pity, because it was exactly the sort of thing they'd been looking
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for all these years."</p></p>- The Hitchhiker's Guide to the Galaxy.</p>
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</p></blockquote>
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<p>Here's <a href=downloads/toybox-0.2.1.tar.bz2>toybox 0.2.1</a> based
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on <a href=http://landley.net/hg/toybox/shortlog/512>commit 512</a>. This
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time around, there are statically linked <a href=downloads/binaries>prebuilt
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binaries</a> for various embedded targets.</p>
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<p>It's been a busy few weeks, almost entirely due to new contributors. (I
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have not quite been keeping up.)</p>
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<p>Elie De Brauwer contributed free, uptime, swapon, swapoff, lsmod, mknod,
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|
insmod, rmmod, and fixed a bug in basename. Andre Renaud contributed ls, ln,
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|
realpath, and hostname. Andres Heck contributed pidof and killall. Daniel
|
|
Walter wrote kill and extended id. Timothy Elliott contributed tail and tests
|
|
for cmp. Frank Bergmann sent a warning fix. Bryce Fricke added -i to cp.
|
|
Nathan McSween pointed out an optimization. Georgi Chorbadzhiyski fixed
|
|
cross compiling to work more reliably.</p>
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<p>(My own contribution this time around was just tightening up other people's
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|
code, a build fix to unshare, some random bugfixes, and so on. My only new
|
|
code this time around was writing a bash replacement for the existing python
|
|
bloat-o-meter.)</p>
|
|
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|
<p>Last time (the 0.2.0 release) included the first pass at an id command from
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|
Tim Bird, env and basename from Tryn Mirell, cmp and head from Timothy Elliott,
|
|
more bugfixes from Nathan McSween and Elie De Brauwer, and Luis Felipe Strano
|
|
Moraes did a first pass at the who command plus other bugfixes and
|
|
optimizations.</p>
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|
<p>(For that release I did xargs, cal, truncate, unlink, nohup, tty, wc, link,
|
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dirname, unshare, and various infrastructure tweaks, but it took me 3 months
|
|
and those guys did their stuff in a week or so.)</p>
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|
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|
<a name="12-02-2012" /><a href="#12-02-2012"><hr><h2><b>February 12, 2012</b></h2></a>
|
|
<blockquote><p>
|
|
"for though it has many omissions and contains much that is apocryphal, or at
|
|
least wildly inaccurate, it scores over the older, more pedestrian work in two
|
|
important respects..."</p>
|
|
<p> - The Hitchhiker's Guide to the Galaxy</p></blockquote>
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|
<p>Here's the first BSD licensed release,
|
|
<a href=downloads/toybox-0.2.0.tar.bz2>toybox-0.2.0</a>, more a synchronization
|
|
point than anything particularly useful. 47 commands in a reasonably
|
|
ready-to-use state (what "make defconfig" builds), another ten or so partially
|
|
finished stubs ("make allyesconfig"), and several
|
|
patches pending on the mailing list I need to review and merge.</p>
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|
|
<p>More to come...</p>
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|
<hr>
|
|
<a name="15-11-2011" /><a href="#15-11-2011"><hr><h2><b>November 15, 2011</b></h2></a>
|
|
- Back from the dead, Toybox is now under a 2
|
|
clause BSD license, and aiming to become the default command line
|
|
implementation of Android systems everywhere.</p>
|
|
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|
<p>More to come...</p>
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<hr>
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<p><a href=oldnews.html>Old news</a> from before the relaunch.</p>
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