56 lines
1.9 KiB
C
56 lines
1.9 KiB
C
/* Test gmtime_r().
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Copyright (C) 2024-2025 Free Software Foundation, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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/* Written by Bruno Haible <bruno@clisp.org>, 2024. */
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#include <config.h>
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/* Specification. */
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#include <time.h>
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#include <string.h>
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#include "macros.h"
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int
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main (void)
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{
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{
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time_t t = 1509000003; /* 2017-10-26 06:40:03 */
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struct tm tm;
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struct tm *result = gmtime_r (&t, &tm);
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ASSERT (result == &tm);
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ASSERT (result->tm_sec == 3);
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ASSERT (result->tm_min == 40);
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ASSERT (result->tm_hour == 6);
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ASSERT (result->tm_mday == 26);
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ASSERT (result->tm_mon == 10 - 1);
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ASSERT (result->tm_year == 2017 - 1900);
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ASSERT (result->tm_wday == 4);
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ASSERT (result->tm_yday == 298);
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ASSERT (result->tm_isdst == 0);
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#if HAVE_STRUCT_TM_TM_GMTOFF /* glibc, musl, macOS, FreeBSD, NetBSD, OpenBSD, Minix, Cygwin, Android */
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ASSERT (result->tm_gmtoff == 0);
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#endif
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#if HAVE_STRUCT_TM_TM_ZONE /* glibc, musl, macOS, FreeBSD, NetBSD, OpenBSD, Minix, Cygwin, Android */
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printf ("tm_zone = %s\n", result->tm_zone == NULL ? "(null)" : result->tm_zone);
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ASSERT (strcmp (result->tm_zone, "GMT") == 0 /* glibc, NetBSD, OpenBSD, Minix, Cygwin, Android */
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|| strcmp (result->tm_zone, "UTC") == 0 /* musl, macOS, FreeBSD */);
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#endif
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}
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return test_exit_status;
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}
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