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56 lines
1.7 KiB
C
56 lines
1.7 KiB
C
/* Test for settimeofday
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Copyright (C) 2021-2023 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <time.h>
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#include <stdlib.h>
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#include <sys/time.h>
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#include <support/check.h>
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#include <support/xtime.h>
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#define TIMESPEC_SEC_Y2038_OV 0x7FFFFFFF
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#define FUTURE_TIME (TIMESPEC_SEC_Y2038_OV - 10)
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static int
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do_test (void)
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{
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const struct timeval tv = { FUTURE_TIME, 0};
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struct timespec tv_future, tv_now;
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/* Check if altering target time is allowed. */
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if (getenv (SETTIME_ENV_NAME) == NULL)
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FAIL_UNSUPPORTED ("settimeofday is executed only when "\
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SETTIME_ENV_NAME" is set\n");
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tv_now = xclock_now (CLOCK_REALTIME);
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int ret = settimeofday (&tv, NULL);
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if (ret == -1)
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FAIL_EXIT1 ("settimeofday failed: %m\n");
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tv_future = xclock_now (CLOCK_REALTIME);
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/* Restore old time value on target machine. */
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xclock_settime (CLOCK_REALTIME, (const struct timespec*) &tv_now);
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if (tv_future.tv_sec < tv.tv_sec)
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FAIL_EXIT1 ("settimeofday set wrong time!\n");
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return 0;
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}
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#include <support/test-driver.c>
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