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https://github.com/FFmpeg/FFmpeg.git
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191f611906
Current code is fine, this just adds robustness. Reviewed-by: Michael Niedermayer <michael@niedermayer.cc> Signed-off-by: Ganesh Ajjanagadde <gajjanagadde@gmail.com>
46 lines
1.5 KiB
C
46 lines
1.5 KiB
C
/*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVUTIL_WCHAR_FILENAME_H
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#define AVUTIL_WCHAR_FILENAME_H
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#if defined(_WIN32) && !defined(__MINGW32CE__)
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#include <windows.h>
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#include "mem.h"
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av_warn_unused_result
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static inline int utf8towchar(const char *filename_utf8, wchar_t **filename_w)
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{
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int num_chars;
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num_chars = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, filename_utf8, -1, NULL, 0);
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if (num_chars <= 0) {
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*filename_w = NULL;
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return 0;
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}
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*filename_w = (wchar_t *)av_mallocz_array(num_chars, sizeof(wchar_t));
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if (!*filename_w) {
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errno = ENOMEM;
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return -1;
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}
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MultiByteToWideChar(CP_UTF8, 0, filename_utf8, -1, *filename_w, num_chars);
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return 0;
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}
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#endif
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#endif /* AVUTIL_WCHAR_FILENAME_H */
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