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_GETENV_UTF8_H
20 #define AVUTIL_GETENV_UTF8_H
21
22 #include <stdlib.h>
23
24 #include "config.h"
26
27 #if HAVE_GETENV && defined(_WIN32)
28
30
31 static inline char *
getenv_utf8(
const char *varname)
32 {
33 wchar_t *varname_w, *var_w;
34 char *var;
35
36 if (utf8towchar(varname, &varname_w))
38 if (!varname_w)
40
41 var_w = _wgetenv(varname_w);
43
44 if (!var_w)
46 if (wchartoutf8(var_w, &var))
48
49 return var;
50
51 // No CP_ACP fallback compared to other *_utf8() functions:
52 // non UTF-8 strings must not be returned.
53 }
54
56 {
58 }
59
60 static inline char *
getenv_dup(
const char *varname)
61 {
63 }
64
65 #else
66
68 {
69 return getenv(varname);
70 }
71
73 {
74 }
75
77 {
78 char *var = getenv(varname);
79 if (!var)
82 }
83
84 #endif // HAVE_GETENV && defined(_WIN32)
85
86 #endif // AVUTIL_GETENV_UTF8_H