Revision: 43793
http://brlcad.svn.sourceforge.net/brlcad/?rev=43793&view=rev
Author: brlcad
Date: 2011-03-08 21:19:51 +0000 (Tue, 08 Mar 2011)
Log Message:
-----------
add some error recovery to gqa so that we don't bomb out during
bu_malloc/bu_calloc when passed a zero size allocation. probably means
something earlier went awry but check here regardless so we can be more
graceful about halting.
Modified Paths:
--------------
brlcad/trunk/src/libged/gqa.c
Modified: brlcad/trunk/src/libged/gqa.c
===================================================================
--- brlcad/trunk/src/libged/gqa.c 2011-03-08 21:05:55 UTC (rev 43792)
+++ brlcad/trunk/src/libged/gqa.c 2011-03-08 21:19:51 UTC (rev 43793)
@@ -1498,9 +1498,30 @@
int i;
int m;
- if (start > ac) /* what? */
+ if (start > ac) {
+ /* what? */
+ bu_log("WARNING: Internal error (start:%d > ac:%d).\n", start, ac);
return;
+ }
+ if (num_objects < 1) {
+ /* what?? */
+ bu_log("WARNING: No objects remaining.\n");
+ return;
+ }
+
+ if (num_views == 0) {
+ /* crap. */
+ bu_log("WARNING: No views specified.\n");
+ return;
+ }
+
+ if (rtip->nregions == 0) {
+ /* dammit! */
+ bu_log("WARNING: No regions remaining.\n");
+ return;
+ }
+
state->m_lenDensity = bu_calloc(num_views, sizeof(double), "densityLen");
state->m_len = bu_calloc(num_views, sizeof(double), "volume");
state->m_volume = bu_calloc(num_views, sizeof(double), "volume");
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