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76 lines
2.5 KiB
76 lines
2.5 KiB
4 months ago
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/*
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* Check decoding of fallocate syscall.
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*
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* Copyright (c) 2016 Eugene Syromyatnikov <evgsyr@gmail.com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "tests.h"
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#include <asm/unistd.h>
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#if defined(__NR_fallocate) && defined(HAVE_FALLOCATE) && HAVE_FALLOCATE
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# include <errno.h>
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# include <fcntl.h>
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# include <stdio.h>
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# include "xlat.h"
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# include "xlat/falloc_flags.h"
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int
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main(void)
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{
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static const int bogus_fd = 0xbeefface;
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static const int bogus_mode = 0xdeadca75;
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static const off_t bogus_offset = (off_t) 0xbadc0dedda7a1057LLU;
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static const off_t bogus_len = (off_t) 0xbadfaceca7b0d1e5LLU;
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long rc = fallocate(bogus_fd, bogus_mode, bogus_offset, bogus_len);
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/*
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* Workaround a bug fixed by commit glibc-2.11-346-gde240a0.
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*/
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if (rc > 0) {
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errno = rc;
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rc = -1;
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}
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const char *errstr = sprintrc(rc);
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printf("fallocate(%d, ", bogus_fd);
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printflags(falloc_flags, (unsigned) bogus_mode, "FALLOC_FL_???");
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printf(", %lld, %lld) = %s\n",
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(long long) bogus_offset, (long long) bogus_len, errstr);
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puts("+++ exited with 0 +++");
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return 0;
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}
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#else
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SKIP_MAIN_UNDEFINED("__NR_fallocate && HAVE_FALLOCATE");
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#endif
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