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88ce558a31
strerror, strsignal, and their variants should return unique strings for each known (and, depending on the function, unknown) error/signal. Add tests to verify this for strerror, strerror_r (GNU and XSI compliant variants), and strerror_l (for the C locale), strerrordesc_np, strsignal, sigabbrev_np, and sigdescr_np. Co-authored-by: Adhemerval Zanella <adhemerval.zanella@linaro.org> Reviewed-by: Florian Weimer <fweimer@redhat.com> Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
41 lines
1.4 KiB
C
41 lines
1.4 KiB
C
/* Test that strerror_l returns unique strings for each errnum.
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Copyright (C) 2025 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 <stdlib.h>
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#include <string.h>
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#include <support/support.h>
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#include <support/check.h>
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/* newlocale returns (locale_t) 0 upon error, so it makes for a good initial
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value that is different from any valid locale_t. */
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static locale_t loc = (locale_t) 0;
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/* Wrap strerror_l to be plugged into the equivalent strerror test. */
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static char *
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wrap_strerror_l (int errnum)
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{
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if (loc == (locale_t) 0)
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loc = xnewlocale (LC_ALL_MASK, "C", (locale_t) 0);
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return xstrdup (strerror_l (errnum, loc));
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}
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#define TEST_STRERROR_VARIANT wrap_strerror_l
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#include "tst-strerror-strings.c"
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