1 | /* Test NUL handling of mbsrtowcs. |
2 | Copyright (C) 2004-2022 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 | |
23 | static int |
24 | do_test (void) |
25 | { |
26 | const unsigned char buf[] = { 'a', 'b', '\0', 'c', 'd', '\0', 'e' }; |
27 | wchar_t out[sizeof (buf)]; |
28 | memset (out, '\xff', sizeof (out)); |
29 | |
30 | mbstate_t state; |
31 | memset (&state, '\0', sizeof (state)); |
32 | |
33 | const char *in = (const char *) buf; |
34 | size_t n = mbsrtowcs (dst: out, src: &in, len: sizeof (out) / sizeof (wchar_t), ps: &state); |
35 | |
36 | int result = 0; |
37 | if (n != 2) |
38 | { |
39 | printf (format: "n = %zu, expected 2\n" , n); |
40 | result = 1; |
41 | } |
42 | if (in != NULL) |
43 | { |
44 | printf (format: "in = %p, expected NULL\n" , in); |
45 | result = 1; |
46 | } |
47 | if (out[0] != L'a') |
48 | { |
49 | printf (format: "out[0] = L'%lc', expected L'a'\n" , (wint_t) out[0]); |
50 | result = 1; |
51 | } |
52 | if (out[1] != L'b') |
53 | { |
54 | printf (format: "out[1] = L'%lc', expected L'b'\n" , (wint_t) out[1]); |
55 | result = 1; |
56 | } |
57 | if (out[2] != L'\0') |
58 | { |
59 | printf (format: "out[2] = L'%lc', expected L'\\0'\n" , (wint_t) out[2]); |
60 | result = 1; |
61 | } |
62 | return result; |
63 | } |
64 | |
65 | #include <support/test-driver.c> |
66 | |