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-rw-r--r--generic/tclResult.c24
1 files changed, 23 insertions, 1 deletions
diff --git a/generic/tclResult.c b/generic/tclResult.c
index 273416d..3c329f1 100644
--- a/generic/tclResult.c
+++ b/generic/tclResult.c
@@ -8,7 +8,7 @@
* See the file "license.terms" for information on usage and redistribution of
* this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
- * RCS: @(#) $Id: tclResult.c,v 1.57 2010/02/24 10:45:04 dkf Exp $
+ * RCS: @(#) $Id: tclResult.c,v 1.58 2010/03/24 15:33:14 dgp Exp $
*/
#include "tclInt.h"
@@ -1425,6 +1425,28 @@ TclMergeReturnOptions(
}
/*
+ * Check for bogus -errorcode value.
+ */
+
+ Tcl_DictObjGet(NULL, returnOpts, keys[KEY_ERRORCODE], &valuePtr);
+ if (valuePtr != NULL) {
+ int length;
+
+ if (TCL_ERROR == Tcl_ListObjLength(NULL, valuePtr, &length )) {
+ /*
+ * Value is not a list, which is illegal for -errorcode.
+ */
+ Tcl_ResetResult(interp);
+ Tcl_AppendResult(interp, "bad -errorcode value: "
+ "expected a list but got \"",
+ TclGetString(valuePtr), "\"", NULL);
+ Tcl_SetErrorCode(interp, "TCL", "RESULT", "ILLEGAL_ERRORCODE",
+ NULL);
+ goto error;
+ }
+ }
+
+ /*
* Convert [return -code return -level X] to [return -code ok -level X+1]
*/