hashmap_cmp_fn takes hashmap_entry params

Another step in eliminating the requirement of hashmap_entry
being the first member of a struct.

Signed-off-by: Eric Wong <e@80x24.org>
Reviewed-by: Derrick Stolee <stolee@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 7 insertions, 2 deletions

diff --git a/packfile.c b/packfile.c
index f2aa34b..675d5f2 100644
--- a/packfile.c
+++ b/packfile.c
@@ -1401,11 +1401,16 @@ static int delta_base_cache_key_eq(const struct delta_base_cache_key *a,
 }
 
 static int delta_base_cache_hash_cmp(const void *unused_cmp_data,
-				     const void *va, const void *vb,
+				     const struct hashmap_entry *va,
+				     const struct hashmap_entry *vb,
 				     const void *vkey)
 {
-	const struct delta_base_cache_entry *a = va, *b = vb;
+	const struct delta_base_cache_entry *a, *b;
 	const struct delta_base_cache_key *key = vkey;
+
+	a = container_of(va, const struct delta_base_cache_entry, ent);
+	b = container_of(vb, const struct delta_base_cache_entry, ent);
+
 	if (key)
 		return !delta_base_cache_key_eq(&a->key, key);
 	else