[brlcad-commits] SF.net SVN: brlcad:[50083] brlcad/trunk/src/libbu/bitv.c

[<br...@us...>]

Revision: 50083
          http://brlcad.svn.sourceforge.net/brlcad/?rev=50083&view=rev
Author:   brlcad
Date:     2012-04-16 15:46:27 +0000 (Mon, 16 Apr 2012)
Log Message:
-----------
prevent a null dereference if we pass a null bitvector around.  however, return an empty bitvector from new() so we never propagate a null.  should fix coverity forward_null cid 242.

Modified Paths:
--------------
    brlcad/trunk/src/libbu/bitv.c

Modified: brlcad/trunk/src/libbu/bitv.c
===================================================================
--- brlcad/trunk/src/libbu/bitv.c	2012-04-16 15:37:21 UTC (rev 50082)
+++ brlcad/trunk/src/libbu/bitv.c	2012-04-16 15:46:27 UTC (rev 50083)
@@ -300,6 +300,9 @@
 {
     struct bu_bitv *bv2;
 
+    if (!bv)
+	return bu_bitv_new(0);
+
     bv2 = bu_bitv_new(bv->nbits);
     bu_bitv_or(bv2, bv);
 

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