From 3b5330ef2d9b6c19ac18e7630059d90e4f5ab991 Mon Sep 17 00:00:00 2001
From: Guido van Rossum <guido@python.org>
Date: Fri, 4 Dec 1998 15:34:39 +0000
Subject: Bernard Herzog pointed out that rl_parse_and_bind modifies its
 argument string (bad function!), so we make a temporary copy.

---
 Modules/readline.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/Modules/readline.c b/Modules/readline.c
index 899a223..915cc4a 100644
--- a/Modules/readline.c
+++ b/Modules/readline.c
@@ -48,10 +48,17 @@ parse_and_bind(self, args)
 	PyObject *self;
 	PyObject *args;
 {
-	char *s;
+	char *s, *copy;
 	if (!PyArg_ParseTuple(args, "s", &s))
 		return NULL;
-	rl_parse_and_bind(s);
+	/* Make a copy -- rl_parse_and_bind() modifies its argument */
+	/* Bernard Herzog */
+	copy = malloc(1 + strlen(s));
+	if (copy == NULL)
+		return PyErr_NoMemory();
+	strcpy(copy, s);
+	rl_parse_and_bind(copy);
+	free(copy); /* Free the copy */
 	Py_INCREF(Py_None);
 	return Py_None;
 }
-- 
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