diff options
Diffstat (limited to 'builtin/pack-objects.c')
| -rw-r--r-- | builtin/pack-objects.c | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/builtin/pack-objects.c b/builtin/pack-objects.c index cccd0f8..88d2bb8 100644 --- a/builtin/pack-objects.c +++ b/builtin/pack-objects.c @@ -34,10 +34,12 @@ #define IN_PACK(obj) oe_in_pack(&to_pack, obj) #define SIZE(obj) oe_size(&to_pack, obj) #define SET_SIZE(obj,size) oe_set_size(&to_pack, obj, size) +#define DELTA_SIZE(obj) oe_delta_size(&to_pack, obj) #define DELTA(obj) oe_delta(&to_pack, obj) #define DELTA_CHILD(obj) oe_delta_child(&to_pack, obj) #define DELTA_SIBLING(obj) oe_delta_sibling(&to_pack, obj) #define SET_DELTA(obj, val) oe_set_delta(&to_pack, obj, val) +#define SET_DELTA_SIZE(obj, val) oe_set_delta_size(&to_pack, obj, val) #define SET_DELTA_CHILD(obj, val) oe_set_delta_child(&to_pack, obj, val) #define SET_DELTA_SIBLING(obj, val) oe_set_delta_sibling(&to_pack, obj, val) @@ -144,7 +146,7 @@ static void *get_delta(struct object_entry *entry) oid_to_hex(&DELTA(entry)->idx.oid)); delta_buf = diff_delta(base_buf, base_size, buf, size, &delta_size, 0); - if (!delta_buf || delta_size != entry->delta_size) + if (!delta_buf || delta_size != DELTA_SIZE(entry)) die("delta size changed"); free(buf); free(base_buf); @@ -294,14 +296,14 @@ static unsigned long write_no_reuse_object(struct hashfile *f, struct object_ent FREE_AND_NULL(entry->delta_data); entry->z_delta_size = 0; } else if (entry->delta_data) { - size = entry->delta_size; + size = DELTA_SIZE(entry); buf = entry->delta_data; entry->delta_data = NULL; type = (allow_ofs_delta && DELTA(entry)->idx.offset) ? OBJ_OFS_DELTA : OBJ_REF_DELTA; } else { buf = get_delta(entry); - size = entry->delta_size; + size = DELTA_SIZE(entry); type = (allow_ofs_delta && DELTA(entry)->idx.offset) ? OBJ_OFS_DELTA : OBJ_REF_DELTA; } @@ -1509,7 +1511,7 @@ static void check_object(struct object_entry *entry) oe_set_type(entry, entry->in_pack_type); SET_SIZE(entry, in_pack_size); /* delta size */ SET_DELTA(entry, base_entry); - entry->delta_size = in_pack_size; + SET_DELTA_SIZE(entry, in_pack_size); entry->delta_sibling_idx = base_entry->delta_child_idx; SET_DELTA_CHILD(base_entry, entry); unuse_pack(&w_curs); @@ -1937,7 +1939,7 @@ static int try_delta(struct unpacked *trg, struct unpacked *src, max_size = trg_size/2 - 20; ref_depth = 1; } else { - max_size = trg_entry->delta_size; + max_size = DELTA_SIZE(trg_entry); ref_depth = trg->depth; } max_size = (uint64_t)max_size * (max_depth - src->depth) / @@ -2006,10 +2008,14 @@ static int try_delta(struct unpacked *trg, struct unpacked *src, delta_buf = create_delta(src->index, trg->data, trg_size, &delta_size, max_size); if (!delta_buf) return 0; + if (delta_size >= (1U << OE_DELTA_SIZE_BITS)) { + free(delta_buf); + return 0; + } if (DELTA(trg_entry)) { /* Prefer only shallower same-sized deltas. */ - if (delta_size == trg_entry->delta_size && + if (delta_size == DELTA_SIZE(trg_entry) && src->depth + 1 >= trg->depth) { free(delta_buf); return 0; @@ -2024,7 +2030,7 @@ static int try_delta(struct unpacked *trg, struct unpacked *src, free(trg_entry->delta_data); cache_lock(); if (trg_entry->delta_data) { - delta_cache_size -= trg_entry->delta_size; + delta_cache_size -= DELTA_SIZE(trg_entry); trg_entry->delta_data = NULL; } if (delta_cacheable(src_size, trg_size, delta_size)) { @@ -2037,7 +2043,7 @@ static int try_delta(struct unpacked *trg, struct unpacked *src, } SET_DELTA(trg_entry, src_entry); - trg_entry->delta_size = delta_size; + SET_DELTA_SIZE(trg_entry, delta_size); trg->depth = src->depth + 1; return 1; @@ -2160,11 +2166,11 @@ static void find_deltas(struct object_entry **list, unsigned *list_size, if (entry->delta_data && !pack_to_stdout) { unsigned long size; - size = do_compress(&entry->delta_data, entry->delta_size); + size = do_compress(&entry->delta_data, DELTA_SIZE(entry)); if (size < (1U << OE_Z_DELTA_BITS)) { entry->z_delta_size = size; cache_lock(); - delta_cache_size -= entry->delta_size; + delta_cache_size -= DELTA_SIZE(entry); delta_cache_size += entry->z_delta_size; cache_unlock(); } else { |