Files
harbour-core/contrib/hbct/print.c
2013-10-09 20:08:24 +02:00

167 lines
4.4 KiB
C

/*
* Harbour Project source code:
* CT3 Printer functions:
*
* Copyright 2010 Viktor Szakats (vszakats.net/harbour) (PrintReady())
* Copyright 2004 Phil Krylov <phil@newstar.rinet.ru> (PrintSend())
* Copyright 2001 Walter Negro - FOEESITRA" <waltern@foeesitra.org.ar> (PrintStat())
* www - http://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.txt. 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.
*
*/
#include "hbapi.h"
#include "hbapifs.h"
#if defined( HB_OS_DOS )
# include <dos.h>
# if defined( __DJGPP__ )
# include <dpmi.h>
# endif
#endif
HB_FUNC( PRINTSTAT )
{
HB_USHORT uiPort = ( HB_USHORT ) hb_parnidef( 1, 1 );
int Status = 0;
#if defined( HB_OS_DOS )
/* NOTE: MS-DOS specific solution, using BIOS interrupt */
union REGS regs;
regs.h.ah = 2;
regs.HB_XREGS.dx = uiPort - 1;
HB_DOS_INT86( 0x17, &regs, &regs );
Status = regs.h.ah;
#else
HB_SYMBOL_UNUSED( uiPort );
#endif
hb_retni( Status );
}
HB_FUNC( PRINTREADY )
{
char szLPT[ 8 ];
hb_snprintf( szLPT, sizeof( szLPT ), "LPT%hu", ( HB_USHORT ) hb_parnidef( 1, 1 ) );
hb_retl( hb_printerIsReady( szLPT ) );
}
HB_FUNC( PRINTSEND )
{
#ifdef __DJGPP__
__dpmi_regs r;
r.x.dx = hb_parni( 2 ) - 1;
if( HB_ISNUM( 1 ) )
{
r.h.al = hb_parni( 1 );
__dpmi_int( 0x17, &r );
if( r.h.ah & 1 )
hb_retni( 1 );
else
hb_retni( 0 );
}
else if( HB_ISCHAR( 1 ) )
{
const char * string = hb_parcx( 1 );
int i, len = hb_parclen( 1 );
r.h.ah = 0;
for( i = 0; i < len && !( r.h.ah & 1 ); i++ )
{
r.h.al = string[ i ];
__dpmi_int( 0x17, &r );
}
if( r.h.ah & 1 )
hb_retni( len - ( i - 1 ) );
else
hb_retni( 0 );
}
#elif defined( HB_OS_WIN )
char szChr[ 2 ] = { ' ', '\0' };
char szPort[ 5 ] = { 'l', 'p', 't', '1', '\0' };
const char * szStr = NULL;
HB_SIZE nLen = 0, nRet = 0;
if( HB_ISNUM( 1 ) )
{
szChr[ 0 ] = ( char ) hb_parni( 1 );
szStr = szChr;
nLen = 1;
}
else if( HB_ISCHAR( 1 ) )
{
szStr = hb_parc( 1 );
nLen = hb_parclen( 1 );
}
if( HB_ISNUM( 2 ) )
szPort[ 3 ] = ( char ) hb_parni( 2 ) + '0';
if( nLen )
{
HB_FHANDLE hFile = hb_fsOpen( szPort, FO_WRITE );
if( hFile != FS_ERROR )
{
nRet = hb_fsWriteLarge( hFile, szStr, nLen );
hb_fsClose( hFile );
}
}
hb_retns( nRet );
#else
hb_retns( 0 );
#endif
}