85 lines
2.7 KiB
C
85 lines
2.7 KiB
C
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/*
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* Check decoding of utimes syscall.
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*
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* Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
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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 <sys/syscall.h>
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#ifdef __NR_utimes
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# include <stdio.h>
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# include <sys/time.h>
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# include <unistd.h>
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#define CAST_NUM(n) \
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(sizeof(n) == sizeof(long) ? \
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(unsigned long long) (unsigned long) (n) : \
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(unsigned long long) (n))
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int
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main(void)
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{
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struct timeval tv;
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if (gettimeofday(&tv, NULL))
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perror_msg_and_fail("gettimeofday");
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static const char sample[] = "utimes_sample";
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long rc = syscall(__NR_utimes, sample, 0);
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printf("utimes(\"%s\", NULL) = %ld %s (%m)\n",
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sample, rc, errno2name());
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struct timeval *const ts = tail_alloc(sizeof(*ts) * 2);
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(void) tail_alloc(1);
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rc = syscall(__NR_utimes, 0, ts + 1);
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printf("utimes(NULL, %p) = %ld %s (%m)\n",
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ts + 1, rc, errno2name());
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ts[0].tv_sec = tv.tv_sec;
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ts[0].tv_usec = tv.tv_usec;
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ts[1].tv_sec = tv.tv_sec - 1;
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ts[1].tv_usec = tv.tv_usec + 1;
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rc = syscall(__NR_utimes, "", ts);
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printf("utimes(\"\", [{%llu, %llu}, {%llu, %llu}])"
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" = %ld %s (%m)\n",
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CAST_NUM(ts[0].tv_sec), CAST_NUM(ts[0].tv_usec),
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CAST_NUM(ts[1].tv_sec), CAST_NUM(ts[1].tv_usec),
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rc, errno2name());
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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_utimes")
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#endif
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