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72 lines
2.0 KiB
72 lines
2.0 KiB
3 years ago
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/*
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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 FFTOOLS_FOPEN_UTF8_H
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#define FFTOOLS_FOPEN_UTF8_H
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#include <stdio.h>
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/* The fopen_utf8 function here is essentially equivalent to av_fopen_utf8,
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* except that it doesn't set O_CLOEXEC, and that it isn't exported
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* from a different library. (On Windows, each DLL might use a different
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* CRT, and FILE* handles can't be shared across them.) */
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#ifdef _WIN32
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#include "libavutil/wchar_filename.h"
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static inline FILE *fopen_utf8(const char *path_utf8, const char *mode)
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{
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wchar_t *path_w, *mode_w;
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FILE *f;
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/* convert UTF-8 to wide chars */
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if (utf8towchar(path_utf8, &path_w)) /* This sets errno on error. */
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return NULL;
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if (!path_w)
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goto fallback;
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if (utf8towchar(mode, &mode_w))
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return NULL;
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if (!mode_w) {
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/* If failing to interpret the mode string as utf8, it is an invalid
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* parameter. */
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av_freep(&path_w);
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errno = EINVAL;
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return NULL;
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}
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f = _wfopen(path_w, mode_w);
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av_freep(&path_w);
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av_freep(&mode_w);
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return f;
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fallback:
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/* path may be in CP_ACP */
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return fopen(path_utf8, mode);
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}
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#else
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static inline FILE *fopen_utf8(const char *path, const char *mode)
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{
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return fopen(path, mode);
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}
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#endif
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#endif /* FFTOOLS_FOPEN_UTF8_H */
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