125 lines
3.8 KiB
C
125 lines
3.8 KiB
C
/*
|
|
* $Id$
|
|
*/
|
|
|
|
/*
|
|
* Harbour Project source code:
|
|
* GETENV(), GETE() functions
|
|
*
|
|
* Copyright 1999 Matthew Hamilton <mhamilton@bunge.com.au>
|
|
* www - http://www.harbour-project.org
|
|
*
|
|
* 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, or (at your option)
|
|
* 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 software; see the file COPYING. If not, write to
|
|
* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
|
|
* Boston, MA 02111-1307 USA (or visit the web site http://www.gnu.org/).
|
|
*
|
|
* As a special exception, the Harbour Project gives permission for
|
|
* additional uses of the text contained in its release of Harbour.
|
|
*
|
|
* The exception is that, if you link the Harbour libraries with other
|
|
* files to produce an executable, this does not by itself cause the
|
|
* resulting executable to be covered by the GNU General Public License.
|
|
* Your use of that executable is in no way restricted on account of
|
|
* linking the Harbour library code into it.
|
|
*
|
|
* This exception does not however invalidate any other reasons why
|
|
* the executable file might be covered by the GNU General Public License.
|
|
*
|
|
* This exception applies only to the code released by the Harbour
|
|
* Project under the name Harbour. If you copy code from other
|
|
* Harbour Project or Free Software Foundation releases into a copy of
|
|
* Harbour, as the General Public License permits, the exception does
|
|
* not apply to the code that you add in this way. To avoid misleading
|
|
* anyone as to the status of such modified files, you must delete
|
|
* this exception notice from them.
|
|
*
|
|
* If you write modifications of your own for Harbour, it is your choice
|
|
* whether to permit this exception to apply to your modifications.
|
|
* If you do not wish that, delete this exception notice.
|
|
*
|
|
*/
|
|
|
|
/*
|
|
* The following parts are Copyright of the individual authors.
|
|
* www - http://www.harbour-project.org
|
|
*
|
|
* Copyright 1999-2001 Viktor Szakats <viktor.szakats@syenar.hu>
|
|
* GETE()
|
|
*
|
|
* See doc/license.txt for licensing terms.
|
|
*
|
|
*/
|
|
|
|
#include "hbapi.h"
|
|
#include "hbapiitm.h"
|
|
|
|
/* NOTE: The second parameter is a Harbour extension. In CA-Cl*pper the
|
|
function will return an empty string if called with more than one
|
|
parameter. [vszakats] */
|
|
|
|
HB_FUNC( GETENV )
|
|
{
|
|
PHB_ITEM pName = hb_param( 1, HB_IT_STRING );
|
|
|
|
if( pName )
|
|
{
|
|
char * pszName = hb_itemGetC( pName );
|
|
ULONG ulName = strlen( pszName );
|
|
ULONG ulPos;
|
|
|
|
/* strip the '=' or else it will clear the variable! */
|
|
|
|
for( ulPos = 0; ulPos < ulName; ulPos++ )
|
|
{
|
|
if( pszName[ ulPos ] == '=' )
|
|
{
|
|
pszName[ ulPos ] = '\0';
|
|
break;
|
|
}
|
|
}
|
|
|
|
if( pszName[ 0 ] != '\0' )
|
|
{
|
|
char * szValue;
|
|
|
|
/* NOTE: Convert the envvar name to uppercase. This is required for
|
|
DOS and OS/2 systems. [vszakats] */
|
|
|
|
#if defined(HB_OS_DOS) || defined(HB_OS_OS2)
|
|
hb_strupr( pszName );
|
|
#endif
|
|
|
|
szValue = hb_getenv( pszName );
|
|
|
|
hb_retc( szValue && szValue[ 0 ] != '\0' ? szValue : ( ( ISCHAR( 2 ) ? hb_parc( 2 ) : "" ) ) );
|
|
|
|
if( szValue )
|
|
hb_xfree( ( void * ) szValue );
|
|
}
|
|
else
|
|
hb_retc( "" );
|
|
|
|
hb_itemFreeC( pszName );
|
|
}
|
|
else
|
|
hb_retc( "" );
|
|
}
|
|
|
|
/* NOTE: Undocumented Clipper function. [vszakats] */
|
|
|
|
HB_FUNC( GETE )
|
|
{
|
|
HB_FUNCNAME( GETENV )();
|
|
}
|