57 lines
1.2 KiB
C
57 lines
1.2 KiB
C
/*
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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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* Copyright (c) 2016-2018 The strace developers.
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* All rights reserved.
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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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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