CMakeLua/Utilities/cmcurl-7.19.0/lib/getenv.c

   1 /***************************************************************************
   2  *                                  _   _ ____  _
   3  *  Project                     ___| | | |  _ \| |
   4  *                             / __| | | | |_) | |
   5  *                            | (__| |_| |  _ <| |___
   6  *                             \___|\___/|_| \_\_____|
   7  *
   8  * Copyright (C) 1998 - 2007, 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 http://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  * $Id: getenv.c,v 1.1.1.1 2008-09-23 16:32:05 hoffman Exp $
  22  ***************************************************************************/
  23
  24 #include "setup.h"
  25
  26 #include <stdio.h>
  27 #include <stdlib.h>
  28 #include <string.h>
  29
  30 #ifdef VMS
  31 #include <unixlib.h>
  32 #endif
  33
  34 #include <curl/curl.h>
  35 #include "memory.h"
  36
  37 #include "memdebug.h"
  38
  39 static
  40 char *GetEnv(const char *variable)
  41 {
  42 #ifdef _WIN32_WCE
  43   return NULL;
  44 #else
  45 #ifdef WIN32
  46   char env[MAX_PATH]; /* MAX_PATH is from windef.h */
  47   char *temp = getenv(variable);
  48   env[0] = '\0';
  49   if(temp != NULL)
  50     ExpandEnvironmentStrings(temp, env, sizeof(env));
  51   return (env[0] != '\0')?strdup(env):NULL;
  52 #else
  53   char *env = getenv(variable);
  54 #ifdef VMS
  55   if(env && strcmp("HOME",variable) == 0)
  56     env = decc$translate_vms(env);
  57 #endif
  58   return (env && env[0])?strdup(env):NULL;
  59 #endif
  60 #endif
  61 }
  62
  63 char *curl_getenv(const char *v)
  64 {
  65   return GetEnv(v);
  66 }