diff options
| -rw-r--r-- | pack-redundant.c | 47 |
1 files changed, 27 insertions, 20 deletions
diff --git a/pack-redundant.c b/pack-redundant.c index 40e579b2d..87077e150 100644 --- a/pack-redundant.c +++ b/pack-redundant.c @@ -247,16 +247,19 @@ static struct pack_list * pack_list_difference(const struct pack_list *A, static void cmp_two_packs(struct pack_list *p1, struct pack_list *p2) { - int p1_off, p2_off; + 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; - p1_off = p2_off = 256 * 4 + 4; 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; - while (p1_off <= p1->pack->index_size - 3 * 20 && - p2_off <= p2->pack->index_size - 3 * 20) + while (p1_off < p1->pack->num_objects * p1_step && + p2_off < p2->pack->num_objects * p2_step) { int cmp = hashcmp(p1_base + p1_off, p2_base + p2_off); /* cmp ~ p1 - p2 */ @@ -265,14 +268,14 @@ static void cmp_two_packs(struct pack_list *p1, struct pack_list *p2) p1_base + p1_off, p1_hint); p2_hint = llist_sorted_remove(p2->unique_objects, p1_base + p1_off, p2_hint); - p1_off+=24; - p2_off+=24; + p1_off += p1_step; + p2_off += p2_step; continue; } if (cmp < 0) { /* p1 has the object, p2 doesn't */ - p1_off+=24; + p1_off += p1_step; } else { /* p2 has the object, p1 doesn't */ - p2_off+=24; + p2_off += p2_step; } } } @@ -352,28 +355,31 @@ static int is_superset(struct pack_list *pl, struct llist *list) static size_t sizeof_union(struct packed_git *p1, struct packed_git *p2) { size_t ret = 0; - int p1_off, p2_off; + unsigned long p1_off = 0, p2_off = 0, p1_step, p2_step; const unsigned char *p1_base, *p2_base; - p1_off = p2_off = 256 * 4 + 4; 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; - while (p1_off <= p1->index_size - 3 * 20 && - p2_off <= p2->index_size - 3 * 20) + while (p1_off < p1->num_objects * p1_step && + p2_off < p2->num_objects * p2_step) { int cmp = hashcmp(p1_base + p1_off, p2_base + p2_off); /* cmp ~ p1 - p2 */ if (cmp == 0) { ret++; - p1_off+=24; - p2_off+=24; + p1_off += p1_step; + p2_off += p2_step; continue; } if (cmp < 0) { /* p1 has the object, p2 doesn't */ - p1_off+=24; + p1_off += p1_step; } else { /* p2 has the object, p1 doesn't */ - p2_off+=24; + p2_off += p2_step; } } return ret; @@ -535,7 +541,7 @@ static void scan_alt_odb_packs(void) static struct pack_list * add_pack(struct packed_git *p) { struct pack_list l; - size_t off; + unsigned long off = 0, step; const unsigned char *base; if (!p->pack_local && !(alt_odb || verbose)) @@ -544,11 +550,12 @@ static struct pack_list * add_pack(struct packed_git *p) l.pack = p; llist_init(&l.all_objects); - off = 256 * 4 + 4; base = p->index_data; - while (off <= p->index_size - 3 * 20) { + base += 256 * 4 + ((p->index_version < 2) ? 4 : 8); + step = (p->index_version < 2) ? 24 : 20; + while (off < p->num_objects * step) { llist_insert_back(l.all_objects, base + off); - off += 24; + off += step; } /* this list will be pruned in cmp_two_packs later */ l.unique_objects = llist_copy(l.all_objects); |