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kvirc/src/kvilib/system/kvi_env.cpp

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//=============================================================================
//
// File : kvi_env.cpp
// Creation date : Sat May 05 2002 02:15:21 CEST by Szymon Stefanek
//
// This file is part of the KVirc irc client distribution
// Copyright (C) 2002 Szymon Stefanek (pragma@kvirc.net)
//
// This program is FREE software. You can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your opinion) any later version.
//
// This program is distributed in the HOPE that it will be USEFUL,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
// See the GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, write to the Free Software Foundation,
// Inc. ,51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
//=============================================================================
#define __KVILIB__
#define _KVI_ENV_CPP_
#include "kvi_env.h"
#include "kvi_string.h"
#include "kvi_malloc.h"
#include "kvi_memmove.h"
#ifndef COMPILE_ON_WINDOWS
bool kvi_setenv(const char * name,const char * value)
{
#ifdef HAVE_SETENV
return (setenv(name,value,1) == 0);
#else
#ifdef HAVE_PUTENV
int iLen1 = kvi_strLen(name);
int iLen2 = kvi_strLen(value);
char * buf = (char *)kvi_malloc(iLen1 + iLen2 + 2);
kvi_memmove(buf,name,iLen1);
*(buf + iLen1) = '=';
kvi_memmove(buf + iLen1 + 1,value,iLen2);
*(buf + iLen1 + iLen2 + 1) = '\0';
int iRet = putenv(buf);
if(iRet != 0)
{
kvi_free(buf);
return false;
}
return true;
#else
// no setenv , no putenv.. what the hell of system is this ?
return false;
#endif
#endif
}
void kvi_unsetenv(const char * name)
{
#ifdef HAVE_UNSETENV
unsetenv(name);
#else
#ifdef HAVE_PUTENV
int iLen1 = kvi_strLen(name);
char * buf = (char *)kvi_malloc(iLen1 + 1);
kvi_memmove(buf,name,iLen1);
*(buf + iLen1) = '\0';
int iRet = putenv(buf);
if(iRet != 0)
{
kvi_free(buf);
} else {
// hmmm
if(kvi_getenv(name) == 0)
{
// ok , the string is not in the environment
// we can free it
kvi_free(buf);
} // else this system sux
}
#endif
#endif
}
#endif //!COMPILE_ON_WINDOWS