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In documentation, call strings like "CST" time zone abbreviations, not time zone names. This terminology is more precise, and is what tzdb uses. A string like "CST" is ambiguous and does not fully name a time zone.
47 lines
1.5 KiB
C
47 lines
1.5 KiB
C
/* 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 <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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/* Test that we can use a truncated timezone-file, where the time-type
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at index 0 is not indexed by the transition-types array (and the
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transition-types array does not contain at least both one DST and one
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normal time members). */
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static int
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do_test (void)
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{
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if (setenv ("TZ", "XT5", 1))
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{
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puts ("setenv failed.");
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return 1;
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}
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tzset ();
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return
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/* Sanity-check that we got the right abbreviation for DST. For
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normal time, we're likely to get "-00" (the "unspecified" marker),
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even though the POSIX timezone string says "-04". Let's not test
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that. */
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!(strcmp (tzname[1], "-03") == 0);
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}
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#include <support/test-driver.c>
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