mirror of
git://source.winehq.org/git/wine.git
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152 lines
3.8 KiB
C
152 lines
3.8 KiB
C
/*
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* msvcrt.dll environment functions
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*
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* Copyright 1996,1998 Marcus Meissner
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* Copyright 1996 Jukka Iivonen
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* Copyright 1997,2000 Uwe Bonnes
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* Copyright 2000 Jon Griffiths
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "wine/unicode.h"
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#include "msvcrt.h"
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#include "msvcrt/stdlib.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
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/*********************************************************************
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* getenv (MSVCRT.@)
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*/
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char *MSVCRT_getenv(const char *name)
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{
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char *environ = GetEnvironmentStringsA();
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char *pp,*pos = NULL;
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unsigned int length=strlen(name);
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for (pp = environ; (*pp); pp = pp + strlen(pp) +1)
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{
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pos =strchr(pp,'=');
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if ((pos) && ((pos - pp) == length))
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{
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if (!strncasecmp(pp,name,length)) break;
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}
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}
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if ((*pp)&& (pos))
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{
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pp = pos+1;
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TRACE("got %s\n",pp);
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}
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else
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pp = 0;
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FreeEnvironmentStringsA( environ );
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return pp;
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}
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/*********************************************************************
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* _wgetenv (MSVCRT.@)
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*/
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WCHAR *_wgetenv(const WCHAR *name)
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{
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WCHAR* environ = GetEnvironmentStringsW();
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WCHAR* pp,*pos = NULL;
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unsigned int length=strlenW(name);
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for (pp = environ; (*pp); pp = pp + strlenW(pp) + 1)
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{
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pos = strchrW(pp,'=');
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if ((pos) && ((pos - pp) == length))
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{
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if (!strncmpiW(pp,name,length))
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{
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pp = pos+1;
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TRACE("got %s\n",debugstr_w(pp));
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/* can't free pointer since we are returning it */
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/* should probably use MSVCRT_wenviron instead */
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FIXME( "memory leak\n" );
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return pp;
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}
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}
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}
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FreeEnvironmentStringsW( environ );
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return NULL;
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}
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/*********************************************************************
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* _putenv (MSVCRT.@)
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*/
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int _putenv(const char *str)
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{
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char name[256], value[512];
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char *dst = name;
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int ret;
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TRACE("%s\n", str);
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if (!str)
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return -1;
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while (*str && *str != '=')
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*dst++ = *str++;
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if (!*str++)
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return -1;
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*dst = '\0';
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dst = value;
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while (*str)
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*dst++ = *str++;
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*dst = '\0';
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ret = !SetEnvironmentVariableA(name, value[0] ? value : NULL);
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/* Update the __p__environ array only when already initialized */
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if (MSVCRT__environ)
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MSVCRT__environ = msvcrt_SnapshotOfEnvironmentA(MSVCRT__environ);
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if (MSVCRT__wenviron)
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MSVCRT__wenviron = msvcrt_SnapshotOfEnvironmentW(MSVCRT__wenviron);
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return ret;
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}
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/*********************************************************************
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* _wputenv (MSVCRT.@)
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*/
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int _wputenv(const WCHAR *str)
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{
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WCHAR name[256], value[512];
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WCHAR *dst = name;
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int ret;
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TRACE("%s\n", debugstr_w(str));
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if (!str)
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return -1;
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while (*str && *str != (WCHAR)L'=')
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*dst++ = *str++;
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if (!*str++)
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return -1;
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*dst = (WCHAR)L'\0';
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dst = value;
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while (*str)
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*dst++ = *str++;
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*dst = (WCHAR)L'\0';
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ret = !SetEnvironmentVariableW(name, value[0] ? value : NULL);
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/* Update the __p__environ array only when already initialized */
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if (MSVCRT__environ)
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MSVCRT__environ = msvcrt_SnapshotOfEnvironmentA(MSVCRT__environ);
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if (MSVCRT__wenviron)
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MSVCRT__wenviron = msvcrt_SnapshotOfEnvironmentW(MSVCRT__wenviron);
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return ret;
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}
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