From ec4982761bb75e96f2d6ee37e588a52d05e228c4 Mon Sep 17 00:00:00 2001
From: Guido van Rossum <guido@python.org>
Date: Fri, 20 Jan 1995 16:59:12 +0000
Subject: fix strncpy call (uninitialized memory read)

---
 Parser/parsetok.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Parser/parsetok.c b/Parser/parsetok.c
index ce79ce6..5e7957e 100644
--- a/Parser/parsetok.c
+++ b/Parser/parsetok.c
@@ -168,7 +168,8 @@ parsetok(tok, g, start, err_ret)
 			int len = tok->inp - tok->buf;
 			err_ret->text = malloc(len + 1);
 			if (err_ret->text != NULL) {
-				strncpy(err_ret->text, tok->buf, len+1);
+				if (len > 0)
+					strncpy(err_ret->text, tok->buf, len);
 				err_ret->text[len] = '\0';
 			}
 		}
-- 
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