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38 lines
880 B
38 lines
880 B
/* hello.c - A hello world program. (Simple template for new commands.)
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*
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* Copyright 2012 Rob Landley <rob@landley.net>
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*
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* See http://pubs.opengroup.org/onlinepubs/9699919799/utilities/
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* See http://refspecs.linuxfoundation.org/LSB_4.1.0/LSB-Core-generic/LSB-Core-generic/cmdbehav.html
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* See https://www.ietf.org/rfc/rfc3.txt
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* See http://man7.org/linux/man-pages/dir_section_1.html
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USE_HELLO(NEWTOY(hello, 0, TOYFLAG_USR|TOYFLAG_BIN))
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config HELLO
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bool "hello"
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default n
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help
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usage: hello
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A hello world program.
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Mostly used as a simple template for adding new commands.
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Occasionally nice to smoketest kernel booting via "init=/usr/bin/hello".
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*/
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#define FOR_hello
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#include "toys.h"
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GLOBALS(
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int unused;
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)
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void hello_main(void)
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{
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xprintf("Hello world\n");
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// Avoid kernel panic if run as init.
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if (getpid() == 1) wait(&TT.unused);
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}
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