blob: 2ade321bedd9762d10e7244bb6c82459dc62616a
1 | /* |
2 | * This file is part of FFmpeg. |
3 | * |
4 | * FFmpeg is free software; you can redistribute it and/or |
5 | * modify it under the terms of the GNU Lesser General Public |
6 | * License as published by the Free Software Foundation; either |
7 | * version 2.1 of the License, or (at your option) any later version. |
8 | * |
9 | * FFmpeg is distributed in the hope that it will be useful, |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 | * Lesser General Public License for more details. |
13 | * |
14 | * You should have received a copy of the GNU Lesser General Public |
15 | * License along with FFmpeg; if not, write to the Free Software |
16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
17 | */ |
18 | |
19 | #ifndef AVUTIL_WCHAR_FILENAME_H |
20 | #define AVUTIL_WCHAR_FILENAME_H |
21 | |
22 | #if defined(_WIN32) && !defined(__MINGW32CE__) |
23 | #include <windows.h> |
24 | #include "mem.h" |
25 | |
26 | av_warn_unused_result |
27 | static inline int utf8towchar(const char *filename_utf8, wchar_t **filename_w) |
28 | { |
29 | int num_chars; |
30 | num_chars = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, filename_utf8, -1, NULL, 0); |
31 | if (num_chars <= 0) { |
32 | *filename_w = NULL; |
33 | return 0; |
34 | } |
35 | *filename_w = (wchar_t *)av_mallocz_array(num_chars, sizeof(wchar_t)); |
36 | if (!*filename_w) { |
37 | errno = ENOMEM; |
38 | return -1; |
39 | } |
40 | MultiByteToWideChar(CP_UTF8, 0, filename_utf8, -1, *filename_w, num_chars); |
41 | return 0; |
42 | } |
43 | #endif |
44 | |
45 | #endif /* AVUTIL_WCHAR_FILENAME_H */ |
46 |