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pack-redundant: abstract away hash algorithm

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Instead of using hard-coded instances of the constant 20, use
the_hash_algo to look up the correct constant.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
brian m. carlson 2018-05-02 00:25:38 +00:00 committed by Junio C Hamano
parent 411791009b
commit 00de606332
1 changed files with 7 additions and 5 deletions
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12
builtin/pack-redundant.c
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@ -252,13 +252,14 @@ static void cmp_two_packs(struct pack_list *p1, struct pack_list *p2)
unsigned long p1_off = 0, p2_off = 0, p1_step, p2_step;
const unsigned char *p1_base, *p2_base;
struct llist_item *p1_hint = NULL, *p2_hint = NULL;
const unsigned int hashsz = the_hash_algo->rawsz;
p1_base = p1->pack->index_data;
p2_base = p2->pack->index_data;
p1_base += 256 * 4 + ((p1->pack->index_version < 2) ? 4 : 8);
p2_base += 256 * 4 + ((p2->pack->index_version < 2) ? 4 : 8);
p1_step = (p1->pack->index_version < 2) ? 24 : 20;
p2_step = (p2->pack->index_version < 2) ? 24 : 20;
p1_step = hashsz + ((p1->pack->index_version < 2) ? 4 : 0);
p2_step = hashsz + ((p2->pack->index_version < 2) ? 4 : 0);
while (p1_off < p1->pack->num_objects * p1_step &&
p2_off < p2->pack->num_objects * p2_step)
@ -359,13 +360,14 @@ static size_t sizeof_union(struct packed_git *p1, struct packed_git *p2)
size_t ret = 0;
unsigned long p1_off = 0, p2_off = 0, p1_step, p2_step;
const unsigned char *p1_base, *p2_base;
const unsigned int hashsz = the_hash_algo->rawsz;
p1_base = p1->index_data;
p2_base = p2->index_data;
p1_base += 256 * 4 + ((p1->index_version < 2) ? 4 : 8);
p2_base += 256 * 4 + ((p2->index_version < 2) ? 4 : 8);
p1_step = (p1->index_version < 2) ? 24 : 20;
p2_step = (p2->index_version < 2) ? 24 : 20;
p1_step = hashsz + ((p1->index_version < 2) ? 4 : 0);
p2_step = hashsz + ((p2->index_version < 2) ? 4 : 0);
while (p1_off < p1->num_objects * p1_step &&
p2_off < p2->num_objects * p2_step)
@ -558,7 +560,7 @@ static struct pack_list * add_pack(struct packed_git *p)
base = p->index_data;
base += 256 * 4 + ((p->index_version < 2) ? 4 : 8);
step = (p->index_version < 2) ? 24 : 20;
step = the_hash_algo->rawsz + ((p->index_version < 2) ? 4 : 0);
while (off < p->num_objects * step) {
llist_insert_back(l.all_objects, base + off);
off += step;