avoid resize of 0-length tuple

f21ad008 · Guido van Rossum · 0ee11fe8 · f21ad008
Commit f21ad008 authored Aug 04, 1995 by Guido van Rossum
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Python/bltinmodule.c Python/bltinmodule.c +5 -0

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--- a/Python/bltinmodule.c
+++ b/Python/bltinmodule.c
@@ -1527,6 +1527,11 @@ filtertuple(func, tuple)
 	register int i, j;
 	int len = gettuplesize(tuple);
+	if (len == 0) {
+		INCREF(tuple);
+		return tuple;
+	}
 	if ((result = newtupleobject(len)) == NULL)
 		return NULL;