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d4134450 | 1 | /* Test restarting behaviour of mbsrtowcs. |
6d7e8eda | 2 | Copyright (C) 2000-2023 Free Software Foundation, Inc. |
d4134450 UD |
3 | This file is part of the GNU C Library. |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
41bdb6e2 AJ |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
d4134450 UD |
9 | |
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 13 | Lesser General Public License for more details. |
d4134450 | 14 | |
41bdb6e2 | 15 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 | 16 | License along with the GNU C Library; if not, see |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
d4134450 UD |
18 | |
19 | #include <stdio.h> | |
20 | #include <string.h> | |
21 | #include <wchar.h> | |
22 | #include <locale.h> | |
23 | ||
24 | #define show(expr, nexp, wcexp, end) \ | |
25 | n = expr; \ | |
47d51f4f JM |
26 | printf (#expr " -> %zu", n); \ |
27 | printf (", wc = %lu, src = buf+%td", (unsigned long int) wc, \ | |
d4134450 UD |
28 | src - (const char *) buf); \ |
29 | if (n != (size_t) nexp || wc != wcexp || src != (const char *) (end)) \ | |
30 | { \ | |
47d51f4f | 31 | printf (", expected %zu and %lu and buf+%td", (size_t) nexp, \ |
d4134450 UD |
32 | (unsigned long int) wcexp, (end) - buf); \ |
33 | result = 1; \ | |
34 | } \ | |
35 | putc ('\n', stdout) | |
36 | ||
29955b5d AS |
37 | static int |
38 | do_test (void) | |
d4134450 UD |
39 | { |
40 | unsigned char buf[6] = { 0x25, 0xe2, 0x82, 0xac, 0xce, 0xbb }; | |
41 | mbstate_t state; | |
42 | const char *src; | |
43 | wchar_t wc = 42; | |
44 | size_t n; | |
45 | int result = 0; | |
46 | const char *used_locale; | |
47 | ||
48 | setlocale (LC_CTYPE,"de_DE.UTF-8"); | |
49 | /* Double check. */ | |
50 | used_locale = setlocale (LC_CTYPE, NULL); | |
51 | printf ("used locale: \"%s\"\n", used_locale); | |
52 | result = strcmp (used_locale, "de_DE.UTF-8"); | |
53 | ||
54 | memset (&state, '\0', sizeof (state)); | |
55 | ||
56 | src = (const char *) buf; | |
57 | show (mbsrtowcs (&wc, &src, 1, &state), 1, 37, buf + 1); | |
58 | show (mbsrtowcs (&wc, &src, 1, &state), 1, 8364, buf + 4); | |
59 | show (mbsrtowcs (&wc, &src, 1, &state), 1, 955, buf + 6); | |
60 | ||
61 | return result; | |
62 | } | |
29955b5d AS |
63 | |
64 | #define TEST_FUNCTION do_test () | |
65 | #include "../test-skeleton.c" |