X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ian/git?p=chiark-tcl.git;a=blobdiff_plain;f=base%2Fidtable.c;h=6e7aafaa1562c94b8f16398acc4a6acfb42622cc;hp=389151e2c5a75096a669c37200f2adbc28c626f7;hb=5dc0c5b5a5d8b47aebe392186cf9afcdfc1d221f;hpb=5dca360f2da544c9b6baf9d18ad8cd0b0e073e60

diff --git a/base/idtable.c b/base/idtable.c
index 389151e..6e7aafa 100644
--- a/base/idtable.c
+++ b/base/idtable.c
@@ -1,6 +1,6 @@
 /*
  * base code for various Tcl extensions
- * Copyright 2006 Ian Jackson
+ * Copyright 2006-2012 Ian Jackson
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License as
@@ -13,9 +13,7 @@
  * General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
- * 02110-1301, USA.
+ * along with this library; if not, see <http://www.gnu.org/licenses/>.
  */
 
 #include "chiark-tcl-base.h"
@@ -79,14 +77,12 @@ int cht_tabledataid_parse(Tcl_Interp *ip, Tcl_Obj *o, const IdDataSpec *idds) {
   int l;
   unsigned long ul;
   IdDataValue *dv;
-  IdDataAssocData *assoc;
   char *ep, *str;
 
   if (o->typePtr != &cht_tabledataid_nearlytype) goto convert;
 
   dv= o->internalRep.otherValuePtr;
   if (dv->interp != ip) goto convert;
-  assoc= dv->assoc;
   if (dv->assoc->idds != idds) goto convert;
 
   return TCL_OK;
@@ -147,6 +143,7 @@ Tcl_Obj *cht_ret_iddata(Tcl_Interp *ip, void *val, const IdDataSpec *idds) {
   if (ix==-1) {
     for (ix=0; ix<assoc->n && assoc->a[ix]; ix++);
     if (ix>=assoc->n) {
+      assert(assoc->n < INT_MAX/4);
       assoc->n += 2;
       assoc->n *= 2;
       assoc->a= TREALLOC(assoc->a, assoc->n*sizeof(*assoc->a));