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authorLibravatar brian m. carlson <sandals@crustytoothpaste.net>2018-10-15 00:01:53 +0000
committerLibravatar Junio C Hamano <gitster@pobox.com>2018-10-15 12:53:15 +0900
commitfa130802d9ccde50e4097b2b1c5324990be3ffb4 (patch)
tree5dd6dfb4212ff379b42ce9ca530012f93da33402
parentbuiltin/fetch-pack: remove constants with parse_oid_hex (diff)
downloadtgif-fa130802d9ccde50e4097b2b1c5324990be3ffb4.tar.xz
pack-revindex: express constants in terms of the_hash_algo
Express the various constants used in terms of the_hash_algo. While we're at it, fix a comment style issue as well. Reviewed-by: Stefan Beller <sbeller@google.com> Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
-rw-r--r--pack-revindex.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/pack-revindex.c b/pack-revindex.c
index bb521cf7fb..3c58784a5f 100644
--- a/pack-revindex.c
+++ b/pack-revindex.c
@@ -122,13 +122,14 @@ static void create_pack_revindex(struct packed_git *p)
unsigned num_ent = p->num_objects;
unsigned i;
const char *index = p->index_data;
+ const unsigned hashsz = the_hash_algo->rawsz;
ALLOC_ARRAY(p->revindex, num_ent + 1);
index += 4 * 256;
if (p->index_version > 1) {
const uint32_t *off_32 =
- (uint32_t *)(index + 8 + p->num_objects * (20 + 4));
+ (uint32_t *)(index + 8 + p->num_objects * (hashsz + 4));
const uint32_t *off_64 = off_32 + p->num_objects;
for (i = 0; i < num_ent; i++) {
uint32_t off = ntohl(*off_32++);
@@ -142,16 +143,17 @@ static void create_pack_revindex(struct packed_git *p)
}
} else {
for (i = 0; i < num_ent; i++) {
- uint32_t hl = *((uint32_t *)(index + 24 * i));
+ uint32_t hl = *((uint32_t *)(index + (hashsz + 4) * i));
p->revindex[i].offset = ntohl(hl);
p->revindex[i].nr = i;
}
}
- /* This knows the pack format -- the 20-byte trailer
+ /*
+ * This knows the pack format -- the hash trailer
* follows immediately after the last object data.
*/
- p->revindex[num_ent].offset = p->pack_size - 20;
+ p->revindex[num_ent].offset = p->pack_size - hashsz;
p->revindex[num_ent].nr = -1;
sort_revindex(p->revindex, num_ent, p->pack_size);
}