avoid "write_in_full(fd, buf, len) != len" pattern

diff --git a/cache-tree.c b/cache-tree.c
index ec23d8c03d10bd3815f59c2d70ae5eb45170aaad..2440d1dc89175efaf74286da4b2c8f97fc52fbd9 100644 (file)
--- a/cache-tree.c
+++ b/cache-tree.c
@@ -131,9 +131,8 @@ static int do_invalidate_path(struct cache_tree *it, const char *path)
                         * move 4 and 5 up one place (2 entries)
                         * 2 = 6 - 3 - 1 = subtree_nr - pos - 1
                         */
-                       memmove(it->down+pos, it->down+pos+1,
-                               sizeof(struct cache_tree_sub *) *
-                               (it->subtree_nr - pos - 1));
+                       MOVE_ARRAY(it->down + pos, it->down + pos + 1,
+                                  it->subtree_nr - pos - 1);
                        it->subtree_nr--;
                }
                return 1;