summaryrefslogtreecommitdiff
path: root/libavutil/wchar_filename.h (plain)
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
26av_warn_unused_result
27static 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