Dmitry V. Levin
c6782f144a
strace test suite is now provided under the terms of the GNU General Public License version 2 or later, see tests/COPYING for more details.
67 lines
2.1 KiB
C
67 lines
2.1 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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* SPDX-License-Identifier: GPL-2.0-or-later
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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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