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148 lines
4.4 KiB
C
148 lines
4.4 KiB
C
/*
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* Harbour Project source code:
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* GetEnv(), GetE() functions
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*
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* Copyright 1999 Matthew Hamilton <mhamilton@bunge.com.au>
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* www - http://harbour-project.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this software; see the file COPYING.txt. If not, write to
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* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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* Boston, MA 02111-1307 USA (or visit the web site http://www.gnu.org/).
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*
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* As a special exception, the Harbour Project gives permission for
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* additional uses of the text contained in its release of Harbour.
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*
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* The exception is that, if you link the Harbour libraries with other
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* files to produce an executable, this does not by itself cause the
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* resulting executable to be covered by the GNU General Public License.
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* Your use of that executable is in no way restricted on account of
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* linking the Harbour library code into it.
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*
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* This exception does not however invalidate any other reasons why
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* the executable file might be covered by the GNU General Public License.
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*
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* This exception applies only to the code released by the Harbour
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* Project under the name Harbour. If you copy code from other
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* Harbour Project or Free Software Foundation releases into a copy of
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* Harbour, as the General Public License permits, the exception does
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* not apply to the code that you add in this way. To avoid misleading
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* anyone as to the status of such modified files, you must delete
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* this exception notice from them.
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*
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* If you write modifications of your own for Harbour, it is your choice
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* whether to permit this exception to apply to your modifications.
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* If you do not wish that, delete this exception notice.
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*
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*/
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/*
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* The following parts are Copyright of the individual authors.
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* www - http://harbour-project.org
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*
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* Copyright 1999-2001 Viktor Szakats (harbour syenar.net)
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* GetE()
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*
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* See COPYING.txt for licensing terms.
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*
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*/
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#include "hbapi.h"
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#include "hbapiitm.h"
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/* NOTE: Convert the envvar name to uppercase. This is required for
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MS-DOS and OS/2 systems. [vszakats] */
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#if defined( HB_OS_DOS ) || defined( HB_OS_OS2 )
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# include "hbapicdp.h"
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# define _HB_GETENV_REQUIRES_UPPERCASE
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#endif
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HB_FUNC( GETENV )
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{
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PHB_ITEM pName = hb_param( 1, HB_IT_STRING );
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if( pName && hb_pcount() == 1 )
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{
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#ifdef _HB_GETENV_REQUIRES_UPPERCASE
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char * pszName = hb_cdpnDupUpper( hb_vmCDP(),
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hb_itemGetCPtr( pName ), NULL );
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#else
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const char * pszName = hb_itemGetCPtr( pName );
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#endif
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char * pszValue = NULL;
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if( pszName[ 0 ] != '\0' )
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pszValue = hb_getenv( pszName );
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if( pszValue )
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hb_retc_buffer( pszValue );
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else
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hb_retc_null();
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#ifdef _HB_GETENV_REQUIRES_UPPERCASE
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hb_xfree( pszName );
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#endif
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}
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else
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hb_retc_null();
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}
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/* NOTE: Undocumented Clipper function. [vszakats] */
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HB_FUNC_TRANSLATE( GETE, GETENV )
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/* NOTE: Harbour extended version of GetEnv(). The 2nd parameter
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can be used to specify a default value, returned if the
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requested envvar doesn't exist.
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[vszakats] */
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HB_FUNC( HB_GETENV )
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{
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PHB_ITEM pName = hb_param( 1, HB_IT_STRING );
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if( pName )
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{
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#ifdef _HB_GETENV_REQUIRES_UPPERCASE
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char * pszName = hb_cdpnDupUpper( hb_vmCDP(),
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hb_itemGetCPtr( pName ), NULL );
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#else
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const char * pszName = hb_itemGetCPtr( pName );
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#endif
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char * pszValue = NULL;
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if( pszName[ 0 ] != '\0' )
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pszValue = hb_getenv( pszName );
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if( pszValue )
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hb_retc_buffer( pszValue );
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else
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hb_retc( hb_parc( 2 ) );
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#ifdef _HB_GETENV_REQUIRES_UPPERCASE
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hb_xfree( pszName );
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#endif
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}
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else
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hb_retc( hb_parc( 2 ) );
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}
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HB_FUNC( HB_SETENV )
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{
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const char * pszName = hb_parc( 1 );
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HB_BOOL fResult = HB_FALSE;
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if( pszName )
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fResult = hb_setenv( pszName, hb_parc( 2 ) );
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hb_retl( fResult );
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}
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