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67 lines
2.2 KiB
C
67 lines
2.2 KiB
C
/* Test restarting behaviour of mbrtowc.
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Copyright (C) 2000-2020 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Bruno Haible <haible@ilog.fr>.
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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 <stdio.h>
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#include <string.h>
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#include <wchar.h>
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#include <locale.h>
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#define show(expr, nexp, wcexp) \
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n = expr; \
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printf (#expr " -> %zu", n); \
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printf (", wc = %lu", (unsigned long int) wc); \
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if (n != (size_t) nexp || wc != wcexp) \
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{ \
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printf (", expected %zu and %lu", (size_t) nexp, \
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(unsigned long int) wcexp); \
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result = 1; \
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} \
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putc ('\n', stdout)
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static int
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do_test (void)
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{
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const unsigned char buf[6] = { 0x25, 0xe2, 0x82, 0xac, 0xce, 0xbb };
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mbstate_t state;
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wchar_t wc = 42;
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size_t n;
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int result = 0;
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const char *used_locale;
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setlocale (LC_CTYPE, "de_DE.UTF-8");
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/* Double check. */
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used_locale = setlocale (LC_CTYPE, NULL);
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printf ("used locale: \"%s\"\n", used_locale);
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result = strcmp (used_locale, "de_DE.UTF-8");
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memset (&state, '\0', sizeof (state));
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show (mbrtowc (&wc, (const char *) buf + 0, 1, &state), 1, 37);
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show (mbrtowc (&wc, (const char *) buf + 1, 1, &state), -2, 37);
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show (mbrtowc (&wc, (const char *) buf + 2, 3, &state), 2, 8364);
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show (mbrtowc (&wc, (const char *) buf + 4, 1, &state), -2, 8364);
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show (mbrtowc (&wc, (const char *) buf + 5, 1, &state), 1, 955);
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show (mbrtowc (&wc, (const char *) buf + 5, 1, &state), -1, 955);
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return result;
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}
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#define TEST_FUNCTION do_test ()
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#include "../test-skeleton.c"
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