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-rw-r--r--generic/tkTextUndo.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/generic/tkTextUndo.c b/generic/tkTextUndo.c
index 499bd6e..a919da9 100644
--- a/generic/tkTextUndo.c
+++ b/generic/tkTextUndo.c
@@ -417,7 +417,7 @@ TkTextUndoCreateStack(
assert(undoProc);
#endif
- stack = memset(malloc(sizeof(*stack)), 0, sizeof(*stack));
+ stack = calloc(1, sizeof(*stack));
stack->undoProc = undoProc;
stack->freeProc = freeProc;
stack->contentChangedProc = contentChangedProc;