[Plplot-cvs] SF.net SVN: plplot:[12514] trunk/src/pllegend.c

[<ai...@us...>]

Revision: 12514
          http://sourceforge.net/p/plplot/code/12514
Author:   airwin
Date:     2013-09-22 05:46:07 +0000 (Sun, 22 Sep 2013)
Log Message:
-----------
Implement sanity check that plcolorbar caller does not specify NULL
array pointers for one of the label_opts or labels arrays when
n_labels > 0.

Modified Paths:
--------------
    trunk/src/pllegend.c

Modified: trunk/src/pllegend.c
===================================================================
--- trunk/src/pllegend.c	2013-09-22 02:20:12 UTC (rev 12513)
+++ trunk/src/pllegend.c	2013-09-22 05:46:07 UTC (rev 12514)
@@ -1659,6 +1659,13 @@
         return;
     }
 
+    // Sanity check for NULL label arrays.
+    if ( n_labels > 0 && ( label_opts == NULL || labels == NULL ) )
+    {
+        plabort( "plcolorbar: label_opts and labels arrays must be defined when n_labels > 0." );
+        return;
+    }
+
     if ( n_axes < 1 )
     {
         plabort( "plcolorbar: At least one axis must be specified" );

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