Revision: 52644
http://brlcad.svn.sourceforge.net/brlcad/?rev=52644&view=rev
Author: brlcad
Date: 2012-10-01 22:51:27 +0000 (Mon, 01 Oct 2012)
Log Message:
-----------
prevent a crash if we're presented with an empty sketch
Modified Paths:
--------------
brlcad/trunk/src/librt/primitives/revolve/revolve.c
Modified: brlcad/trunk/src/librt/primitives/revolve/revolve.c
===================================================================
--- brlcad/trunk/src/librt/primitives/revolve/revolve.c 2012-10-01 21:18:13 UTC
(rev 52643)
+++ brlcad/trunk/src/librt/primitives/revolve/revolve.c 2012-10-01 22:51:27 UTC
(rev 52644)
@@ -1273,10 +1273,9 @@
VREVERSE(ucir[12], ucir[4]);
/* find open endpoints, and determine which points are used */
- endcount = (int *)bu_calloc(rip->skt->vert_count, sizeof(int), "endcount");
- for (i=0; i<rip->skt->vert_count; i++) {
- endcount[i] = 0;
- }
+ if (nvert)
+ endcount = (int *)bu_calloc(nvert, sizeof(int), "endcount");
+
nseg = rip->skt->curve.count;
for (i=0; i<nseg; i++) {
@@ -1356,7 +1355,9 @@
}
}
nadd = j;
- while (j < rip->skt->vert_count) endcount[j++] = -1;
+ while (j < rip->skt->vert_count) {
+ endcount[j++] = -1;
+ }
/* draw sketch outlines */
for (i=0; i<narc; i++) {
@@ -1406,7 +1407,8 @@
}
}
- bu_free(endcount, "endcount");
+ if (nvert)
+ bu_free(endcount, "endcount");
return 0;
}
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