File cups-pdf-result.patch of Package cups-pdf

--- src/cups-pdf.c.old	2013-09-23 07:33:41.124582086 +0200
+++ src/cups-pdf.c	2013-09-23 07:45:21.649324590 +0200
@@ -623,6 +623,7 @@
   gid_t *groups;
   int ngroups;
   pid_t pid;
+  struct stat statout;
 
   if (setuid(0)) {
     (void) fputs("cups-pdf cannot be called without root privileges!\n", stderr);
@@ -851,8 +852,12 @@
      
     (void) umask(0077);
     size=system(gscall);
-    (void) snprintf(title,BUFSIZE,"%d",size);
-    log_event(CPDEBUG, "ghostscript has finished", title);
+    if (size) {
+      (void) snprintf(title,BUFSIZE,"%d",size);
+      log_event(CPERROR, "ghostscript reported an error", title);
+    } else
+      log_event(CPDEBUG, "ghostscript succeeded", NULL);
+
     if (chmod(outfile, mode))
       log_event(CPERROR, "failed to set file mode for PDF file (non fatal)", outfile);
     else 
@@ -892,7 +897,11 @@
   
   log_event(CPDEBUG, "all memory has been freed", NULL);
 
-  log_event(CPSTATUS, "PDF creation successfully finished", outfile);
+  if (stat(outfile, &statout) || statout.st_size==0)
+    log_event(CPSTATUS, "PDF creation failed", NULL);
+  else
+    log_event(CPSTATUS, "PDF creation successfully finished", outfile);
+
   free(outfile);
 
   if (logfp!=NULL)