1 | /* Test restarting behaviour of wcsrtombs. |
2 | Copyright (C) 2000-2022 Free Software Foundation, Inc. |
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 |
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. |
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 |
13 | Lesser General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with the GNU C Library; if not, see |
17 | <https://www.gnu.org/licenses/>. */ |
18 | |
19 | #include <stdio.h> |
20 | #include <string.h> |
21 | #include <wchar.h> |
22 | #include <locale.h> |
23 | |
24 | #define show(expr, nexp, srcexp, bufexp) \ |
25 | { \ |
26 | size_t res = expr; \ |
27 | printf (#expr " -> %zu", res); \ |
28 | dst += res; \ |
29 | printf (", src = srcbuf+%td, dst = buf+%td", \ |
30 | src - srcbuf, dst - (char *) buf); \ |
31 | if (res != nexp || src != (srcexp) || dst != (char *) (bufexp)) \ |
32 | { \ |
33 | printf (", expected %zu and srcbuf+%td and buf+%td", (size_t) nexp, \ |
34 | (srcexp) - srcbuf, (bufexp) - (unsigned char *) buf); \ |
35 | result = 1; \ |
36 | } \ |
37 | putc ('\n', stdout); \ |
38 | } |
39 | |
40 | static int |
41 | do_test (void) |
42 | { |
43 | unsigned char buf[6] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; |
44 | const unsigned char bufcheck[6] = { 0x25, 0xe2, 0x82, 0xac, 0xce, 0xbb }; |
45 | const wchar_t srcbuf[4] = { 0x25, 0x20ac, 0x03bb, 0 }; |
46 | mbstate_t state; |
47 | const wchar_t *src; |
48 | char *dst; |
49 | int result = 0; |
50 | const char *used_locale; |
51 | |
52 | setlocale (LC_CTYPE, "de_DE.UTF-8" ); |
53 | /* Double check. */ |
54 | used_locale = setlocale (LC_CTYPE, NULL); |
55 | printf (format: "used locale: \"%s\"\n" , used_locale); |
56 | result = strcmp (used_locale, "de_DE.UTF-8" ); |
57 | |
58 | memset (&state, '\0', sizeof (state)); |
59 | |
60 | src = srcbuf; |
61 | dst = (char *) buf; |
62 | show (wcsrtombs (dst, &src, 1, &state), 1, srcbuf + 1, buf + 1); |
63 | show (wcsrtombs (dst, &src, 1, &state), 0, srcbuf + 1, buf + 1); |
64 | show (wcsrtombs (dst, &src, 4, &state), 3, srcbuf + 2, buf + 4); |
65 | show (wcsrtombs (dst, &src, 2, &state), 2, srcbuf + 3, buf + 6); |
66 | |
67 | if (memcmp (buf, bufcheck, 6)) |
68 | { |
69 | puts (s: "wrong results" ); |
70 | result = 1; |
71 | } |
72 | |
73 | return result; |
74 | } |
75 | |
76 | #define TEST_FUNCTION do_test () |
77 | #include "../test-skeleton.c" |
78 | |