From 65d41d48a4e4e795d64dd7842a44d693b741bf31 Mon Sep 17 00:00:00 2001
From: Jeff King <peff@peff.net>
Date: Fri, 29 Jan 2010 05:28:44 -0500
Subject: fix memcpy of overlapping area

Caught by valgrind in t5500, but it is pretty obvious from
reading the code that this is shifting elements of an array
to the left, which needs memmove.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/commit.c b/commit.c
index 6393e1b..a51d2cd 100644
--- a/commit.c
+++ b/commit.c
@@ -225,7 +225,7 @@ int unregister_shallow(const unsigned char *sha1)
 	if (pos < 0)
 		return -1;
 	if (pos + 1 < commit_graft_nr)
-		memcpy(commit_graft + pos, commit_graft + pos + 1,
+		memmove(commit_graft + pos, commit_graft + pos + 1,
 				sizeof(struct commit_graft *)
 				* (commit_graft_nr - pos - 1));
 	commit_graft_nr--;
-- 
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