use COPY_ARRAY

Add a semantic patch for converting certain calls of memcpy(3) to
COPY_ARRAY() and apply that transformation to the code base.  The result
is
 shorter and safer code.  For now only consider calls where source and
destination have the same type, or in other words: easy cases.

Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/pack-revindex.c b/pack-revindex.c
index 96d51c3467..6bc7c94033 100644
--- a/pack-revindex.c
+++ b/pack-revindex.c
@@ -107,7 +107,7 @@ static void sort_revindex(struct revindex_entry *entries, unsigned n, off_t max)
 	 * we have to move it back from the temporary storage.
 	 */
 	if (from != entries)
-		memcpy(entries, tmp, n * sizeof(*entries));
+		COPY_ARRAY(entries, tmp, n);
 	free(tmp);
 	free(pos);