mirror of
https://gitee.com/openharmony/third_party_ffmpeg
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3b0fb00990
Signed-off-by: cyberbox <468042667@qq.com> Change-Id: I63cc2a8c9ff6197c67d6b6b47c124882ad942a22
87 lines
1.9 KiB
C
87 lines
1.9 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_GETENV_UTF8_H
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#define AVUTIL_GETENV_UTF8_H
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#include <stdlib.h>
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#include "config.h"
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#include "mem.h"
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#if HAVE_GETENV && defined(_WIN32)
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#include "libavutil/wchar_filename.h"
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static inline char *getenv_utf8(const char *varname)
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{
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wchar_t *varname_w, *var_w;
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char *var;
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if (utf8towchar(varname, &varname_w))
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return NULL;
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if (!varname_w)
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return NULL;
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var_w = _wgetenv(varname_w);
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av_free(varname_w);
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if (!var_w)
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return NULL;
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if (wchartoutf8(var_w, &var))
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return NULL;
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return var;
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// No CP_ACP fallback compared to other *_utf8() functions:
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// non UTF-8 strings must not be returned.
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}
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static inline void freeenv_utf8(char *var)
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{
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av_free(var);
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}
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static inline char *getenv_dup(const char *varname)
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{
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return getenv_utf8(varname);
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}
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#else
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static inline char *getenv_utf8(const char *varname)
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{
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return getenv(varname);
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}
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static inline void freeenv_utf8(char *var)
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{
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}
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static inline char *getenv_dup(const char *varname)
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{
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char *var = getenv(varname);
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if (!var)
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return NULL;
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return av_strdup(var);
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}
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#endif // HAVE_GETENV && defined(_WIN32)
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#endif // AVUTIL_GETENV_UTF8_H
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