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/************************************************************************/
/* Utility functions for printing. */
/************************************************************************/
# include "config.h"
# include <stdio.h>
# include <stdlib.h>
# include <string.h>
# include "utilPrinter.h"
# include <debugon.h>
/************************************************************************/
/* */
/* Find out what printers are available on the system. */
/* */
/* 1) BSD/Linux style. */
/* 2) SysV style. */
/* */
/************************************************************************/
static int utilPrinterGetLprPrinters( const char * command,
char * scratch,
int * pPrinterCount,
PrintDestination ** pDestinations )
{
int l;
FILE * f;
int found= 0;
PrintDestination * pd= *pDestinations;
int count= *pPrinterCount;
f= popen( command, "r" );
if ( ! f )
{ return 0; }
while( fgets( scratch, 250, f ) )
{
l= strlen( scratch );
if ( l > 0 && scratch[l-1] == '\n' )
{ scratch[l-1]= '\0'; }
if ( scratch[0] == '\t' || scratch[l-2] != ':' )
{ continue; }
scratch[l-2]= '\0';
pd= (PrintDestination *)realloc( pd, (count+ 1)*sizeof( PrintDestination ) );
if ( ! pd )
{ XDEB(pd); return -1; }
*pDestinations= pd;
pd[count].pdCommand= (char *)malloc( l+ 23 );
if ( ! pd[count].pdCommand )
{ LXDEB(l,pd[count].pdCommand); return -1; }
# if 0
Has the advantage that there is no maximum on the filesize.
Has the disadvantage that it does not work on SuSE Linux 6.0
sprintf( pd[count].pdCommand, "lpr -r -s -P '%s' '%s'",
scratch, "%s" );
# else
sprintf( pd[count].pdCommand, "lpr -r -P '%s' '%s'",
scratch, "%s" );
# endif
pd[count].pdPrintKind= APPprinterTMPFILE;
pd[count].pdPrinterName= (char *)malloc( l+ 1 );
if ( ! pd[count].pdPrinterName )
{ LXDEB(l,pd[count].pdPrinterName); return -1; }
strcpy( pd[count].pdPrinterName, scratch );
found++; count++;
}
pclose( f );
*pPrinterCount= count;
return found;
}
int utilPrinterGetPrinters( int * pPrinterCount,
int * pDefaultPrinter,
PrintDestination ** pDestinations )
{
PrintDestination * pd= (PrintDestination *)0;
int count= 0;
int defaultPrinter= -1;
char * defaultPrinterName= (char *)0;
FILE * f;
char scratch[250+1];
int l;
char * s;
/* 1 */
if ( utilPrinterGetLprPrinters( "( lpc status ) 2>/dev/null",
scratch, &count, &pd ) < 1 &&
utilPrinterGetLprPrinters( "( /usr/sbin/lpc status ) 2>/dev/null",
scratch, &count, &pd ) < 1 )
{ /* nothing.. sys5? */; }
/* 2 */
f= popen( "( lpstat -a ) 2>/dev/null", "r" );
if ( f )
{
char * firstLpPrinter= (char *)0;
while( fgets( scratch, 250, f ) )
{
s= strchr( scratch, ' ' );
if ( ! s )
{ continue; }
*s= '\0'; l= s- scratch;
pd= (PrintDestination *)realloc( pd, (count+ 1)*sizeof( PrintDestination ) );
if ( ! pd )
{ XDEB(pd); return -1; }
pd[count].pdCommand= (char *)malloc( l+ 12 );
if ( ! pd[count].pdCommand )
{ LXDEB(l,pd[count].pdCommand); return -1; }
sprintf( pd[count].pdCommand, "lp -s -d '%s'", scratch );
pd[count].pdPrintKind= APPprinterPIPE;
pd[count].pdPrinterName= (char *)malloc( l+ 1 );
if ( ! pd[count].pdPrinterName )
{ LXDEB(l,pd[count].pdPrinterName); return -1; }
strcpy( pd[count].pdPrinterName, scratch );
if ( ! firstLpPrinter )
{ firstLpPrinter= pd[count].pdPrinterName; }
count++;
}
pclose( f );
defaultPrinterName= getenv( "LPDEST" );
if ( ! defaultPrinterName )
{ defaultPrinterName= firstLpPrinter; }
}
if ( defaultPrinterName )
{
for ( l= 0; l < count; l++ )
{
if ( ! strcmp( defaultPrinterName, pd[l].pdPrinterName ) )
{ defaultPrinter= l; break; }
}
}
*pPrinterCount= count;
*pDefaultPrinter= defaultPrinter;
*pDestinations= pd;
return 0;
}
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