1 /*************************************************************************** 2 * _ _ ____ _ 3 * Project ___| | | | _ \| | 4 * / __| | | | |_) | | 5 * | (__| |_| | _ <| |___ 6 * \___|\___/|_| \_\_____| 7 * 8 * Copyright (C) 1998 - 2012, Daniel Stenberg, <daniel (at) 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 30 static 31 char *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[MAX_PATH]; /* MAX_PATH is from windef.h */ 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 51 char *curl_getenv(const char *v) 52 { 53 return GetEnv(v); 54 } 55
