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/* Test of strcasecmp() function.
Copyright (C) 2008-2025 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
#include <config.h>
#include <strings.h>
#include "signature.h"
SIGNATURE_CHECK (strcasecmp, int, (const char *, const char *));
#include <locale.h>
#include <stdlib.h>
#include "macros.h"
int
main (int argc, char *argv[])
{
/* configure should already have checked that the locale is supported. */
if (setlocale (LC_ALL, "") == NULL)
return 1;
ASSERT (strcasecmp ("paragraph", "Paragraph") == 0);
ASSERT (strcasecmp ("paragrapH", "parAgRaph") == 0);
ASSERT (strcasecmp ("paragraph", "paraLyzed") < 0);
ASSERT (strcasecmp ("paraLyzed", "paragraph") > 0);
ASSERT (strcasecmp ("para", "paragraph") < 0);
ASSERT (strcasecmp ("paragraph", "para") > 0);
if (argc > 1)
switch (argv[1][0])
{
case '1':
/* C or POSIX locale. */
return test_exit_status;
case '2':
/* Locale encoding is ISO-8859-1 or ISO-8859-15. */
/* U+00C9 LATIN CAPITAL LETTER E WITH ACUTE */
/* U+00E9 LATIN SMALL LETTER E WITH ACUTE */
ASSERT (strcasecmp ("Fej\311r", "Fej\351r") == 0);
ASSERT (strcasecmp ("Fej\351r", "Fej\311r") == 0);
ASSERT (strcasecmp ("Fejer", "Fej\311r") < 0);
ASSERT (strcasecmp ("Fej\311r", "Fejer") > 0);
/* Compare with U+00D7 MULTIPLICATION SIGN */
ASSERT (strcasecmp ("Fej\311r", "Fej\327") > 0);
ASSERT (strcasecmp ("Fej\327", "Fej\311r") < 0);
ASSERT (strcasecmp ("Fej\351r", "Fej\327") > 0);
ASSERT (strcasecmp ("Fej\327", "Fej\351r") < 0);
return test_exit_status;
}
return 1;
}
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