1/***************************************************************************
2 * _ _ ____ _
3 * Project ___| | | | _ \| |
4 * / __| | | | |_) | |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
7 *
8 * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
9 *
10 * This software is licensed as described in the file COPYING, which
11 * you should have received as part of this distribution. The terms
12 * are also available at https://curl.haxx.se/docs/copyright.html.
13 *
14 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
15 * copies of the Software, and permit persons to whom the Software is
16 * furnished to do so, under the terms of the COPYING file.
17 *
18 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
19 * KIND, either express or implied.
20 *
21 ***************************************************************************/
22
23#include "curl_setup.h"
24
25#include <curl/curl.h>
26#include "curl_memory.h"
27
28#include "memdebug.h"
29
30static
31char *GetEnv(const char *variable)
32{
33#if defined(_WIN32_WCE) || defined(CURL_WINDOWS_APP)
34 (void)variable;
35 return NULL;
36#else
37#ifdef WIN32
38 char env[4096];
39 char *temp = getenv(variable);
40 env[0] = '\0';
41 if(temp != NULL)
42 ExpandEnvironmentStringsA(temp, env, sizeof(env));
43 return (env[0] != '\0')?strdup(env):NULL;
44#else
45 char *env = getenv(variable);
46 return (env && env[0])?strdup(env):NULL;
47#endif
48#endif
49}
50
51char *curl_getenv(const char *v)
52{
53 return GetEnv(v);
54}
55