FFmpeg
libavutil
getenv_utf8.h
Go to the documentation of this file.
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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 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
wchar_filename.h
freeenv_utf8
static void freeenv_utf8(char *var)
Definition:
getenv_utf8.h:72
NULL
#define NULL
Definition:
coverity.c:32
getenv_utf8
static char * getenv_utf8(const char *varname)
Definition:
getenv_utf8.h:67
getenv_dup
static char * getenv_dup(const char *varname)
Definition:
getenv_utf8.h:76
av_strdup
char * av_strdup(const char *s)
Duplicate a string.
Definition:
mem.c:272
mem.h
av_free
#define av_free(p)
Definition:
tableprint_vlc.h:33
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