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-rw-r--r--generic/tclListObj.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/generic/tclListObj.c b/generic/tclListObj.c
index 14b8a14..2929423 100644
--- a/generic/tclListObj.c
+++ b/generic/tclListObj.c
@@ -907,8 +907,11 @@ Tcl_ListObjReplace(
}
if (objc > LIST_MAX - (numElems - count)) {
- Tcl_SetObjResult(interp, Tcl_ObjPrintf(
- "max length of a Tcl list (%d elements) exceeded", LIST_MAX));
+ if (interp != NULL) {
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "max length of a Tcl list (%d elements) exceeded",
+ LIST_MAX));
+ }
return TCL_ERROR;
}
isShared = (listRepPtr->refCount > 1);