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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>
74 lines
2.1 KiB
C
74 lines
2.1 KiB
C
/* Test that strsignal returns unique strings for each signal.
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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 <string.h>
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#include <stdlib.h>
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#include <signal.h>
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#include <support/support.h>
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#include <support/check.h>
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#include "tst-verify-unique-strings.c"
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#define NSTRINGS 257
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static int
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do_test (void)
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{
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char *string[NSTRINGS];
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/* Convenient indexing for signal strings from -128 to 128. */
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char **sig_str = string + 128;
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unsetenv ("LANGUAGE");
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xsetlocale (LC_ALL, "C");
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for (int i = -128; i <= 128; i++)
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{
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sig_str[i] = xstrdup (strsignal (i));
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if (i > 0 && i <= 31)
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{
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/* Signals between 1 and 31 are known. */
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TEST_VERIFY_EXIT (strstr (sig_str[i], "Unknown signal ")
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== NULL);
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TEST_VERIFY_EXIT (strstr (sig_str[i], "Real-time signal ")
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== NULL);
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}
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else if ((i <= 0)
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|| (i > 31 && i < SIGRTMIN)
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|| (i > SIGRTMAX))
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TEST_VERIFY_EXIT (strstr (sig_str[i], "Unknown signal ")
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== sig_str[i]);
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else if (i >= SIGRTMIN && i <= SIGRTMAX)
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TEST_VERIFY_EXIT (strstr (sig_str[i], "Real-time signal ")
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== sig_str[i]);
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}
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VERIFY_UNIQUE_STRINGS (string, NSTRINGS);
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for (int i = -128; i <= 128; i++)
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free (sig_str[i]);
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return 0;
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}
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#include <support/test-driver.c>
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