87 lines
3.4 KiB
C
87 lines
3.4 KiB
C
/*
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* Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
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* Copyright (c) 2015-2018 The strace developers.
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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 <assert.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <unistd.h>
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#include <sys/time.h>
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#include <asm/unistd.h>
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int
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main(void)
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{
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TAIL_ALLOC_OBJECT_CONST_PTR(struct timeval, tv);
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TAIL_ALLOC_OBJECT_CONST_PTR(struct timezone, tz);
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if (syscall(__NR_gettimeofday, tv, NULL))
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perror_msg_and_skip("gettimeofday");
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printf("gettimeofday({tv_sec=%lld, tv_usec=%llu}, NULL) = 0\n",
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(long long) tv->tv_sec,
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zero_extend_signed_to_ull(tv->tv_usec));
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if (syscall(__NR_gettimeofday, tv, tz))
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perror_msg_and_skip("gettimeofday");
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printf("gettimeofday({tv_sec=%lld, tv_usec=%llu}"
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", {tz_minuteswest=%d, tz_dsttime=%d}) = 0\n",
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(long long) tv->tv_sec,
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zero_extend_signed_to_ull(tv->tv_usec),
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tz->tz_minuteswest, tz->tz_dsttime);
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tv->tv_sec = -1;
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tv->tv_usec = 1000000;
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assert(syscall(__NR_settimeofday, tv, tz) == -1);
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printf("settimeofday({tv_sec=%lld, tv_usec=%llu}"
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", {tz_minuteswest=%d, tz_dsttime=%d}) = %s\n",
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(long long) tv->tv_sec,
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zero_extend_signed_to_ull(tv->tv_usec),
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tz->tz_minuteswest, tz->tz_dsttime, sprintrc(-1));
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tv->tv_sec = 0xdeadbeefU;
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tv->tv_usec = 0xfacefeedU;
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assert(syscall(__NR_settimeofday, tv, tz) == -1);
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printf("settimeofday({tv_sec=%lld, tv_usec=%llu}"
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", {tz_minuteswest=%d, tz_dsttime=%d}) = %s\n",
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(long long) tv->tv_sec,
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zero_extend_signed_to_ull(tv->tv_usec),
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tz->tz_minuteswest, tz->tz_dsttime, sprintrc(-1));
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tv->tv_sec = (time_t) 0xcafef00ddeadbeefLL;
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tv->tv_usec = (suseconds_t) 0xbadc0dedfacefeedLL;
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assert(syscall(__NR_settimeofday, tv, tz) == -1);
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printf("settimeofday({tv_sec=%lld, tv_usec=%llu}"
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", {tz_minuteswest=%d, tz_dsttime=%d}) = %s\n",
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(long long) tv->tv_sec,
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zero_extend_signed_to_ull(tv->tv_usec),
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tz->tz_minuteswest, tz->tz_dsttime, sprintrc(-1));
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puts("+++ exited with 0 +++");
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return 0;
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}
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