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-rw-r--r--generic/tclObj.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/generic/tclObj.c b/generic/tclObj.c
index 8869e9b..5913dd1 100644
--- a/generic/tclObj.c
+++ b/generic/tclObj.c
@@ -13,7 +13,7 @@
* See the file "license.terms" for information on usage and redistribution of
* this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
- * RCS: @(#) $Id: tclObj.c,v 1.163 2009/10/18 10:39:41 mistachkin Exp $
+ * RCS: @(#) $Id: tclObj.c,v 1.164 2009/11/10 17:57:39 andreas_kupries Exp $
*/
#include "tclInt.h"
@@ -582,6 +582,17 @@ TclContinuationsEnter(Tcl_Obj* objPtr,
ContLineLoc* clLocPtr =
(ContLineLoc*) ckalloc (sizeof(ContLineLoc) + num*sizeof(int));
+ if (!newEntry) {
+ /*
+ * Somehow we're entering ContLineLoc data for the same value (objPtr)
+ * more than one time. Not sure whether that's expected, or a sign of
+ * trouble, but at a minimum, we should take care not to leak the old
+ * entry.
+ */
+
+ ckfree((char *) Tcl_GetHashValue(hPtr));
+ }
+
clLocPtr->num = num;
memcpy (&clLocPtr->loc, loc, num*sizeof(int));
clLocPtr->loc[num] = CLL_END; /* Sentinel */