git.distorted.org.uk Git - u/mdw/putty/blob - unix/uxprint.c

   1 /*
   2  * Printing interface for PuTTY.
   3  */
   4
   5 #include <assert.h>
   6 #include <stdio.h>
   7 #include "putty.h"
   8
   9 struct printer_job_tag {
  10     FILE *fp;
  11 };
  12
  13 printer_job *printer_start_job(char *printer)
  14 {
  15     printer_job *ret = snew(printer_job);
  16     /*
  17      * On Unix, we treat the printer string as the name of a
  18      * command to pipe to - typically lpr, of course.
  19      */
  20     ret->fp = popen(printer, "w");
  21     if (!ret->fp) {
  22         sfree(ret);
  23         ret = NULL;
  24     }
  25     return ret;
  26 }
  27
  28 void printer_job_data(printer_job *pj, void *data, int len)
  29 {
  30     if (!pj)
  31         return;
  32
  33     fwrite(data, 1, len, pj->fp);
  34 }
  35
  36 void printer_finish_job(printer_job *pj)
  37 {
  38     if (!pj)
  39         return;
  40
  41     pclose(pj->fp);
  42     sfree(pj);
  43 }