Revision: 77691
          http://sourceforge.net/p/brlcad/code/77691
Author:   brlcad
Date:     2020-11-04 22:43:16 +0000 (Wed, 04 Nov 2020)
Log Message:
-----------
empty string is not same as null pointer.  need to check the latter.  an empty 
path string conceptually just maps to an empty string, I think?

Modified Paths:
--------------
    brlcad/trunk/src/librt/db_fullpath.c

Modified: brlcad/trunk/src/librt/db_fullpath.c
===================================================================
--- brlcad/trunk/src/librt/db_fullpath.c        2020-11-04 22:01:09 UTC (rev 
77690)
+++ brlcad/trunk/src/librt/db_fullpath.c        2020-11-04 22:43:16 UTC (rev 
77691)
@@ -263,7 +263,7 @@
     BU_CK_VLS(vls);
     RT_CK_FULL_PATH(full_path);
 
-    if (!full_path->fp_names[0]) {
+    if (!full_path->fp_names) {
        bu_vls_strcat(vls, "**NULL**");
        return;
     }

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