Revision: 56592
http://sourceforge.net/p/brlcad/code/56592
Author: brlcad
Date: 2013-08-05 19:32:12 +0000 (Mon, 05 Aug 2013)
Log Message:
-----------
make sure the zoom string is sane so we don't propagate a zero
Modified Paths:
--------------
brlcad/trunk/src/mged/chgview.c
Modified: brlcad/trunk/src/mged/chgview.c
===================================================================
--- brlcad/trunk/src/mged/chgview.c 2013-08-05 18:48:17 UTC (rev 56591)
+++ brlcad/trunk/src/mged/chgview.c 2013-08-05 19:32:12 UTC (rev 56592)
@@ -2677,6 +2677,8 @@
int
cmd_zoom(ClientData UNUSED(clientData), Tcl_Interp *interp, int argc, const
char *argv[])
{
+ double zval;
+
if (argc != 2) {
struct bu_vls vls = BU_VLS_INIT_ZERO;
@@ -2687,7 +2689,12 @@
return TCL_ERROR;
}
- return mged_zoom(atof(argv[1]));
+ /* sanity check the zoom value */
+ zval = atof(argv([1]));
+ if (zval > 0.0)
+ return mged_zoom(zval);
+
+ return TCL_ERROR;
}
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