1 /*
2 * Copyright © Microsoft Corporation
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21 * IN THE SOFTWARE.
22 */
23
24 #ifndef _COMPAT_WIN32_H_
25 #define _COMPAT_WIN32_H_
26
27 #include <windows.h>
28
29 #ifdef __cplusplus
30 extern "C" {
31 #endif
32
33 /* The setenv() function returns zero on success, or -1 on error, with
34 * errno set to indicate the cause of the error.
35 *
36 * SetEnvironmentVariableA Return value
37 * If the function succeeds, the return value is nonzero.
38 * If the function fails, the return value is zero.
39 */
setenv(const char * varname,const char * value_string,int overwrite)40 inline int setenv(const char *varname, const char *value_string, int overwrite)
41 {
42 return SetEnvironmentVariableA(varname, value_string) ? 0 : -1;
43 }
44
45 /* The unsetenv() function returns zero on success, or -1 on error,
46 * with errno set to indicate the cause of the error.
47 * SetEnvironmentVariableA Return value
48 * If the function succeeds, the return value is nonzero.
49 * If the function fails, the return value is zero.
50 */
unsetenv(const char * varname)51 inline int unsetenv(const char *varname)
52 {
53 return SetEnvironmentVariableA(varname, NULL) ? 0 : -1;
54 }
55
56 #ifdef __cplusplus
57 }
58 #endif
59
60 #endif /* _COMPAT_WIN32_H_ */
61