X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Foutput%2Foptions.c;h=be2bed42d98ecfd8f4040f81e0f912e4b3a3fec6;hb=e0701896ff3fcdc18a26ca1881d8c657833dad77;hp=b8921255d3b08e59b592021b7a025f59f7af1e38;hpb=fce028c380d496e42823fd24774e0159ed7cc110;p=pspp

diff --git a/src/output/options.c b/src/output/options.c
index b8921255d3..be2bed42d9 100644
--- a/src/output/options.c
+++ b/src/output/options.c
@@ -1,5 +1,5 @@
 /* PSPP - a program for statistical analysis.
-   Copyright (C) 2009, 2010 Free Software Foundation, Inc.
+   Copyright (C) 2009, 2010, 2014 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -48,7 +48,7 @@ driver_option_create (const char *driver_name, const char *name,
   o->driver_name = xstrdup (driver_name);
   o->name = xstrdup (name);
   o->value = value != NULL ? xstrdup (value) : NULL;
-  o->default_value = xstrdup (default_value);
+  o->default_value = default_value ? xstrdup (default_value) : NULL;
   return o;
 }
 
@@ -261,9 +261,9 @@ parse_dimension (struct driver_option *o)
 {
   int retval;
 
-  retval = o->value != NULL ? measure_dimension (o->value) : -1;
-  if (retval == -1)
-    retval = measure_dimension (o->default_value);
+  retval = (o->value != NULL ? measure_dimension (o->value)
+            : o->default_value != NULL ? measure_dimension (o->default_value)
+            : -1);
 
   driver_option_destroy (o);
   return retval;