Attachment "tclExecute.c.patch1" to
ticket [406709ffff]
added by
dgp
2001-03-31 03:42:33.
Index: generic/tclExecute.c
===================================================================
RCS file: /cvsroot/tcl/tcl/generic/tclExecute.c,v
retrieving revision 1.19
diff -u -r1.19 tclExecute.c
--- generic/tclExecute.c 2001/03/02 15:31:15 1.19
+++ generic/tclExecute.c 2001/03/09 14:36:09
@@ -639,7 +639,19 @@
(unsigned int)(pc - codePtr->codeStart),
(unsigned int) stackTop,
(unsigned int) initStackTop);
- panic("TclExecuteByteCode execution failure: end stack top != start stack top");
+ if (stackTop > initStackTop) {
+ /*
+ * Extra items on stack; this bytecode is defective, but
+ * apparently did not corrupt any other data
+ */
+ result = TCL_ERROR;
+ goto abnormalReturn;
+ } else {
+ /*
+ * Too few items on the stack, massive data corruption
+ */
+ panic("TclExecuteByteCode execution failure: end stack top != start stack top");
+ }
}
TRACE_WITH_OBJ(("=> return code=%d, result=", result),
iPtr->objResultPtr);
