[transcode-devel] [PATCH] Check for NULL on option string (v1.1.0)

[Allan N. Snider]

This patch didn't make it into 1.1.0.  It adds a check for NULL when
parsing arguments.  This allows default values to be assumed when
arguments are missing.
                                                                      Allan



diff -ru old/libtc/optstr.c new/libtc/optstr.c
--- old/libtc/optstr.c  2007-03-03 15:10:40.000000000 -0500
+++ new/libtc/optstr.c  2009-01-27 00:39:39.000000000 -0500
@@ -117,6 +117,9 @@
     if( *ch == '=' )
         ch++;
 
+    if( !*ch )
+        return 0;
+
     va_start(ap, fmt);
 
 #ifndef HAVE_VSSCANF