curl/lib/getenv.c
2001-08-14 08:25:47 +00:00

69 lines
1.8 KiB
C

/*****************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 2000, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* In order to be useful for every potential user, curl and libcurl are
* dual-licensed under the MPL and the MIT/X-derivate licenses.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the MPL or the MIT/X-derivate
* licenses. You may pick one of these licenses.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
* $Id$
*****************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef WIN32
#include <windows.h>
#endif
#ifdef VMS
#include <unixlib.h>
#endif
#ifdef MALLOCDEBUG
#include "memdebug.h"
#endif
static
char *GetEnv(const char *variable)
{
#ifdef WIN32
/* This shit requires windows.h (HUGE) to be included */
char env[MAX_PATH]; /* MAX_PATH is from windef.h */
char *temp = getenv(variable);
env[0] = '\0';
if (temp != NULL)
ExpandEnvironmentStrings(temp, env, sizeof(env));
#else
#ifdef VMS
char *env = getenv(variable);
if (env && strcmp("HOME",variable) == 0) {
env = decc$translate_vms(env);
}
/* printf ("Getenv: %s=%s\n",variable,env); */
#else
/* no length control */
char *env = getenv(variable);
#endif
#endif
return (env && env[0])?strdup(env):NULL;
}
char *curl_getenv(const char *v)
{
return GetEnv(v);
}