$OpenBSD: patch-efaxio_c,v 1.1 2002/07/17 22:45:09 lebel Exp $
--- efaxio.c.orig	Tue Mar  2 01:15:44 1999
+++ efaxio.c	Wed Jul 17 18:25:19 2002
@@ -246,7 +246,7 @@ int cmd ( TFILE *f, char *s, int t )
     if ( strlen(s) >= CMDBUFSIZE-4 ) {
       msg ( "E modem command \"%s\" too long", s ) ;
     } else {
-      sprintf ( buf, "AT%s\r", s ) ;
+      snprintf ( buf, sizeof buf, "AT%s\r", s ) ;
       tput ( f, buf, strlen(buf) ) ;
     }
   }