$OpenBSD: patch-drivers_pstex_c,v 1.1.1.1 2006/05/12 13:35:39 steven Exp $
--- drivers/pstex.c.orig	Mon Jan 19 20:10:19 2004
+++ drivers/pstex.c	Mon Apr 17 01:34:40 2006
@@ -229,7 +229,8 @@ proc_str (PLStream *pls, EscText *args)
     fprintf(fp,"\\special{ps: 0 0 0 setrgbcolor}{");
 
   fprintf(fp,"%% Your text follows:\n");
-  fprintf(fp,"%s\n", cptr);
+  if (strlen(cptr) > 0)
+    fprintf(fp,"%s\n", cptr);
   fprintf(fp,"}}}}");
   
   /*
@@ -260,6 +261,11 @@ parse_str(const char *str, char *dest)
 		       "psi", "Psi", "omega", "Omega"};
 
   plgesc(&esc);
+
+  if (str == NULL) {
+    *tp = '\0';
+    return;
+  }
 
   while (*str) {