convert trivial cases to FLEX_ARRAY macros
Using FLEX_ARRAY macros reduces the amount of manual
computation size we have to do. It also ensures we don't
overflow size_t, and it makes sure we write the same number
of bytes that we allocated.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/hashmap.c b/hashmap.c
index f693839..b10b642 100644
--- a/hashmap.c
+++ b/hashmap.c
@@ -256,10 +256,9 @@
e = hashmap_get(&map, &key, data);
if (!e) {
/* not found: create it */
- e = xmallocz(sizeof(struct pool_entry) + len);
+ FLEX_ALLOC_MEM(e, data, data, len);
hashmap_entry_init(e, key.ent.hash);
e->len = len;
- memcpy(e->data, data, len);
hashmap_add(&map, e);
}
return e->data;
