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-rw-r--r--generic/tclVar.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/generic/tclVar.c b/generic/tclVar.c
index 955e4f3..9846102 100644
--- a/generic/tclVar.c
+++ b/generic/tclVar.c
@@ -6730,7 +6730,10 @@ AllocVarEntry(
Tcl_HashEntry *hPtr;
Var *varPtr;
- varPtr = (Var *)Tcl_Alloc(sizeof(VarInHash));
+ varPtr = (Var *)Tcl_AttemptAlloc(sizeof(VarInHash));
+ if (!varPtr) {
+ return NULL;
+ }
varPtr->flags = VAR_IN_HASHTABLE;
varPtr->value.objPtr = NULL;
VarHashRefCount(varPtr) = 1;