S390: Optimize strnlen and wcsnlen.
[glibc.git] / localedata / tst-mbswcs1.c
blob83ece8d534c66833d37c7430a58664b6508aa54b
1 /* Test restarting behaviour of mbrtowc.
2 Copyright (C) 2000-2015 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Bruno Haible <haible@ilog.fr>.
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, see
18 <http://www.gnu.org/licenses/>. */
20 #include <stdio.h>
21 #include <string.h>
22 #include <wchar.h>
23 #include <locale.h>
25 #define show(expr, nexp, wcexp) \
26 n = expr; \
27 printf (#expr " -> %zu", n); \
28 printf (", wc = %lu", (unsigned long int) wc); \
29 if (n != (size_t) nexp || wc != wcexp) \
30 { \
31 printf (", expected %zu and %lu", (size_t) nexp, \
32 (unsigned long int) wcexp); \
33 result = 1; \
34 } \
35 putc ('\n', stdout)
37 static int
38 do_test (void)
40 const unsigned char buf[6] = { 0x25, 0xe2, 0x82, 0xac, 0xce, 0xbb };
41 mbstate_t state;
42 wchar_t wc = 42;
43 size_t n;
44 int result = 0;
45 const char *used_locale;
47 setlocale (LC_CTYPE, "de_DE.UTF-8");
48 /* Double check. */
49 used_locale = setlocale (LC_CTYPE, NULL);
50 printf ("used locale: \"%s\"\n", used_locale);
51 result = strcmp (used_locale, "de_DE.UTF-8");
53 memset (&state, '\0', sizeof (state));
55 show (mbrtowc (&wc, (const char *) buf + 0, 1, &state), 1, 37);
56 show (mbrtowc (&wc, (const char *) buf + 1, 1, &state), -2, 37);
57 show (mbrtowc (&wc, (const char *) buf + 2, 3, &state), 2, 8364);
58 show (mbrtowc (&wc, (const char *) buf + 4, 1, &state), -2, 8364);
59 show (mbrtowc (&wc, (const char *) buf + 5, 1, &state), 1, 955);
60 show (mbrtowc (&wc, (const char *) buf + 5, 1, &state), -1, 955);
62 return result;
65 #define TEST_FUNCTION do_test ()
66 #include "../test-skeleton.c"