105 lines
2.6 KiB
C
105 lines
2.6 KiB
C
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/* Copyright (C) 1998 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Andreas Jaeger <aj@arthur.rhein-neckar.de>, 1998.
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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 Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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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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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <time.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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int failed = 0;
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struct test_times
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{
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const char *name;
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int daylight;
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int timezone;
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};
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static const struct test_times tests[] =
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{
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{ "Europe/Berlin", 1, -3600 },
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{ "Universal", 0, 0 },
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{ "Australia/Melbourne", 1, -36000 },
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{ "America/Sao_Paulo", 1, 10800 },
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{ NULL, 0, 0 }
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};
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void
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print_tzvars (void)
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{
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printf ("tzname[0]: %s\n", tzname[0]);
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printf ("tzname[1]: %s\n", tzname[1]);
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printf ("daylight: %d\n", daylight);
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printf ("timezone: %ld\n", timezone);
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}
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void
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check_tzvars (const char *name, int dayl, int timez)
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{
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if (daylight != dayl)
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{
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printf ("Timezone: %s, daylight is: %d but should be: %d\n",
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name, daylight, dayl);
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++failed;
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}
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if (timezone != timez)
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{
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printf ("Timezone: %s, timezone is: %ld but should be: %d\n",
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name, timezone, timez);
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++failed;
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}
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}
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int
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main (int argc, char ** argv)
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{
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time_t t;
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const struct test_times *pt;
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char buf[BUFSIZ];
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/* This should be: Thu May 14 18:02:16 1998. */
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t = 895194136;
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printf ("We use this date: %s\n", ctime (&t));
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for (pt = tests; pt->name != NULL; ++pt)
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{
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/* Start with a known state */
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printf ("Checking timezone %s\n", pt->name);
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sprintf (buf, "TZ=%s", pt->name);
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if (putenv (buf))
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{
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puts ("putenv failed.");
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failed = 1;
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}
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tzset ();
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print_tzvars ();
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check_tzvars (pt->name, pt->daylight, pt->timezone);
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/* calling localtime shouldn't make a difference */
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localtime (&t);
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print_tzvars ();
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check_tzvars (pt->name, pt->daylight, pt->timezone);
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}
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return failed ? EXIT_FAILURE : EXIT_SUCCESS;
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}
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