6fe841c614
* config/detect.mk
* contrib/hbct/print.c
* contrib/hbnf/fttext.c
* contrib/hbnf/n2color.c
* contrib/hbnf/tests/clrsel.prg
* contrib/hbnf/tests/menu1.prg
* contrib/hbwin/win_tprn.prg
* doc/en/browse.txt
* doc/en/compiler.txt
* doc/en/file.txt
* doc/en/garbage.txt
* doc/en/gtslang.txt
* doc/en/idle.txt
* doc/en/memo.txt
* doc/en/misc.txt
* doc/en/setmode.txt
* doc/en/string.txt
* doc/en/terminal.txt
* doc/gtapi.txt
* doc/tracing.txt
* include/filesys.api
* include/hbapifs.h
* include/hbsetup.h
* package/mpkg_win.nsi
* package/winuni/RELNOTES
* src/codepage/*.c
* src/common/hbffind.c
* src/rtl/gete.c
* src/rtl/hbgtcore.c
* src/rtl/isprint.c
* src/rtl/net.c
* src/rtl/run.c
* src/rtl/tlabel.prg
* src/rtl/treport.prg
* src/vm/dynsym.c
* tests/stripem.prg
* tests/tstgtapi.c
* various platform related doc cleanups
140 lines
4.1 KiB
C
140 lines
4.1 KiB
C
/*
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* $Id$
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*/
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/*
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* Harbour Project source code:
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* ISPRINTER() function
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*
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* Copyright 1999-2007 Viktor Szakats (harbour syenar.net)
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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. 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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#include "hbapi.h"
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#include "hbapifs.h"
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#if defined( HB_OS_DOS )
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# include <dos.h>
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#endif
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HB_BOOL hb_printerIsReady( const char * pszPrinterName )
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{
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HB_BOOL bIsPrinter;
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#if defined( HB_OS_DOS )
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/* NOTE: MS-DOS specific solution, using BIOS interrupt */
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{
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int iPort;
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if( pszPrinterName == NULL )
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pszPrinterName = "LPT1";
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if( hb_strnicmp( pszPrinterName, "PRN", 3 ) == 0 )
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{
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union REGS regs;
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regs.h.ah = 2;
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regs.HB_XREGS.dx = 0; /* LPT1 */
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HB_DOS_INT86( 0x17, ®s, ®s );
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bIsPrinter = ( regs.h.ah == 0x90 );
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}
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else if( strlen( pszPrinterName ) >= 4 &&
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hb_strnicmp( pszPrinterName, "LPT", 3 ) == 0 &&
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( iPort = atoi( pszPrinterName + 3 ) ) > 0 )
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{
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union REGS regs;
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regs.h.ah = 2;
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regs.HB_XREGS.dx = iPort - 1;
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HB_DOS_INT86( 0x17, ®s, ®s );
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bIsPrinter = ( regs.h.ah == 0x90 );
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}
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else
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bIsPrinter = HB_FALSE;
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}
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#else
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/* NOTE: Platform independent method, at least it will compile and run
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on any platform, but the result may not be the expected one,
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since Unix/Linux doesn't support LPT/COM by nature, other OSs
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may not reflect the actual physical presence of the printer when
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trying to open it, since we are talking to the spooler.
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[vszakats] */
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{
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HB_FHANDLE fhnd;
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if( pszPrinterName == NULL )
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#if defined( HB_OS_UNIX )
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pszPrinterName = "/dev/lp0";
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#else
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pszPrinterName = "LPT1";
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#endif
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fhnd = hb_fsOpen( pszPrinterName, FO_WRITE | FO_SHARED | FO_PRIVATE );
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bIsPrinter = ( fhnd != FS_ERROR );
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hb_fsClose( fhnd );
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}
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#endif
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return bIsPrinter;
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}
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HB_FUNC( HB_ISPRINTER )
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{
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hb_retl( hb_printerIsReady( hb_parc( 1 ) ) );
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}
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HB_FUNC( ISPRINTER )
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{
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hb_retl( hb_printerIsReady( NULL ) );
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}
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