gvwprn.c File Reference

#include "wresource.h"
#include "wcommon.h"
#include "Messages.h"
#include "Warnings.h"
#include "Errors.h"
#include "win_mem_alloc.h"

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Defines
#define	MAXSTR   256
#define	PORT_BUF_SIZE   4096
#define	PRINT_BUF_SIZE   16384u
Functions
char *	GetPrinterName (void)
BOOL	get_queuename (HINSTANCE hInstance, HWND hwnd, char *portname, char *queue)
int	gp_printfile (HINSTANCE hInstance, HWND hwnd, char *filename, char *port)
Variables
char	printer_port [32]

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Define Documentation

#define MAXSTR   256

Definition at line 29 of file gvwprn.c.

#define PORT_BUF_SIZE   4096

Definition at line 31 of file gvwprn.c.

#define PRINT_BUF_SIZE   16384u

Definition at line 34 of file gvwprn.c.

Referenced by gp_printfile().

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Function Documentation

BOOL get_queuename	(	HINSTANCE	hInstance,
		HWND	hwnd,
		char *	portname,
		char *	queue
	)

Definition at line 38 of file gvwprn.c.

References FALSE, FREE, GetPrinterName(), NULL, PrinterName, and TRUE.

Referenced by gp_printfile().

{
        char *PrinterName=NULL;

        PrinterName=GetPrinterName();
        if (strcmp(PrinterName,"EMPTY")==0) return FALSE;
        wsprintf(portname, "\\\\spool\\%s",PrinterName);
        if (PrinterName) { FREE(PrinterName); PrinterName=NULL;}

        return TRUE;
}

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char* GetPrinterName

(

void

)

Definition at line 601 of file TextToPrint.c.

References MALLOC, NULL, and PrinterName.

Referenced by get_queuename().

{
        char *ReturnPrinterName=NULL;

        ReturnPrinterName=MALLOC(strlen(PrinterName)*sizeof(char));
        wsprintf(ReturnPrinterName,"%s",PrinterName);

        return ReturnPrinterName;
}

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int gp_printfile	(	HINSTANCE	hInstance,
		HWND	hwnd,
		char *	filename,
		char *	port
	)

Definition at line 54 of file gvwprn.c.

References buffer, count, f(), FALSE, FREE, get_queuename(), MALLOC, MAXSTR, MSG_ERROR71, MSG_ERROR72, MSG_ERROR73, MSG_ERROR74, NULL, PRINT_BUF_SIZE, printer, sciprint(), and TRUE.

{
  DWORD count;
  char *buffer;
  char portname[MAXSTR];
  FILE *f;
  HANDLE printer;
  DOC_INFO_1 di;
  DWORD written;

  if (!get_queuename (hInstance, hwnd, portname, port))    return FALSE;
  port = portname + 8;          /* skip over \\spool\ */

  if ((buffer = MALLOC (PRINT_BUF_SIZE)) == (char *) NULL) return FALSE;
  if (filename != (char *) 0)
    {
      if ((f = fopen (filename, "rb")) == (FILE *) NULL)
        {
          FREE (buffer);
          return FALSE;
        }
    }
  else
    f = stdin;

  /* open a printer */
  if (!OpenPrinter (port, &printer, NULL))
    {
      sciprint (MSG_ERROR71, port, GetLastError ());
      FREE (buffer);
      return FALSE;
    }
  /* from here until ClosePrinter, should AbortPrinter on error */

  di.pDocName = filename;
  di.pOutputFile = NULL;
  di.pDatatype = "RAW";         /* for available types see EnumPrintProcessorDatatypes */
  if (!StartDocPrinter (printer, 1, (LPBYTE) & di))
    {
      sciprint (MSG_ERROR72, GetLastError ());
      AbortPrinter (printer);
      FREE (buffer);
      return FALSE;
    }

  while ((count = fread (buffer, 1, PRINT_BUF_SIZE, f)) != 0)
    {
      if (!WritePrinter (printer, (LPVOID) buffer, count, &written))
        {
          FREE (buffer);
          fclose (f);
          AbortPrinter (printer);
          return FALSE;
        }
    }
  fclose (f);
  FREE (buffer);

  if (!EndDocPrinter (printer))
    {
      sciprint (MSG_ERROR73, GetLastError ());
      AbortPrinter (printer);
      return FALSE;
    }

  if (!ClosePrinter (printer))
    {
      sciprint (MSG_ERROR74, GetLastError ());
      return FALSE;
    }
  return TRUE;
}

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Variable Documentation

char printer_port[32]

Definition at line 33 of file gvwprn.c.

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