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fix memcpy of overlapping area

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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>
This commit is contained in:
Jeff King 2010-01-29 05:28:44 -05:00 committed by Junio C Hamano
parent 35eabd1579
commit 65d41d48a4
1 changed files with 1 additions and 1 deletions
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2
commit.c
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@ -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--;