diff options
| -rw-r--r-- | builtin/pack-objects.c | 59 | ||||
| -rw-r--r-- | cache.h | 2 | ||||
| -rw-r--r-- | object.h | 1 | ||||
| -rw-r--r-- | pack-bitmap-write.c | 6 | ||||
| -rw-r--r-- | pack-objects.h | 20 |
5 files changed, 58 insertions, 30 deletions
diff --git a/builtin/pack-objects.c b/builtin/pack-objects.c index 4bdae5a1d8..88877f1f59 100644 --- a/builtin/pack-objects.c +++ b/builtin/pack-objects.c @@ -266,7 +266,7 @@ static unsigned long write_no_reuse_object(struct hashfile *f, struct object_ent struct git_istream *st = NULL; if (!usable_delta) { - if (entry->type == OBJ_BLOB && + if (oe_type(entry) == OBJ_BLOB && entry->size > big_file_threshold && (st = open_istream(&entry->idx.oid, &type, &size, NULL)) != NULL) buf = NULL; @@ -371,7 +371,7 @@ static off_t write_reuse_object(struct hashfile *f, struct object_entry *entry, struct pack_window *w_curs = NULL; struct revindex_entry *revidx; off_t offset; - enum object_type type = entry->type; + enum object_type type = oe_type(entry); off_t datalen; unsigned char header[MAX_PACK_OBJECT_HEADER], dheader[MAX_PACK_OBJECT_HEADER]; @@ -480,11 +480,12 @@ static off_t write_object(struct hashfile *f, to_reuse = 0; /* explicit */ else if (!entry->in_pack) to_reuse = 0; /* can't reuse what we don't have */ - else if (entry->type == OBJ_REF_DELTA || entry->type == OBJ_OFS_DELTA) + else if (oe_type(entry) == OBJ_REF_DELTA || + oe_type(entry) == OBJ_OFS_DELTA) /* check_object() decided it for us ... */ to_reuse = usable_delta; /* ... but pack split may override that */ - else if (entry->type != entry->in_pack_type) + else if (oe_type(entry) != entry->in_pack_type) to_reuse = 0; /* pack has delta which is unusable */ else if (entry->delta) to_reuse = 0; /* we want to pack afresh */ @@ -705,8 +706,8 @@ static struct object_entry **compute_write_order(void) * And then all remaining commits and tags. */ for (i = last_untagged; i < to_pack.nr_objects; i++) { - if (objects[i].type != OBJ_COMMIT && - objects[i].type != OBJ_TAG) + if (oe_type(&objects[i]) != OBJ_COMMIT && + oe_type(&objects[i]) != OBJ_TAG) continue; add_to_write_order(wo, &wo_end, &objects[i]); } @@ -715,7 +716,7 @@ static struct object_entry **compute_write_order(void) * And then all the trees. */ for (i = last_untagged; i < to_pack.nr_objects; i++) { - if (objects[i].type != OBJ_TREE) + if (oe_type(&objects[i]) != OBJ_TREE) continue; add_to_write_order(wo, &wo_end, &objects[i]); } @@ -1066,8 +1067,7 @@ static void create_object_entry(const struct object_id *oid, entry = packlist_alloc(&to_pack, oid->hash, index_pos); entry->hash = hash; - if (type) - entry->type = type; + oe_set_type(entry, type); if (exclude) entry->preferred_base = 1; else @@ -1407,6 +1407,7 @@ static void check_object(struct object_entry *entry) unsigned long avail; off_t ofs; unsigned char *buf, c; + enum object_type type; buf = use_pack(p, &w_curs, entry->in_pack_offset, &avail); @@ -1415,11 +1416,15 @@ static void check_object(struct object_entry *entry) * since non-delta representations could still be reused. */ used = unpack_object_header_buffer(buf, avail, - &entry->in_pack_type, + &type, &entry->size); if (used == 0) goto give_up; + if (type < 0) + BUG("invalid type %d", type); + entry->in_pack_type = type; + /* * Determine if this is a delta and if so whether we can * reuse it or not. Otherwise let's find out as cheaply as @@ -1428,9 +1433,9 @@ static void check_object(struct object_entry *entry) switch (entry->in_pack_type) { default: /* Not a delta hence we've already got all we need. */ - entry->type = entry->in_pack_type; + oe_set_type(entry, entry->in_pack_type); entry->in_pack_header_size = used; - if (entry->type < OBJ_COMMIT || entry->type > OBJ_BLOB) + if (oe_type(entry) < OBJ_COMMIT || oe_type(entry) > OBJ_BLOB) goto give_up; unuse_pack(&w_curs); return; @@ -1484,7 +1489,7 @@ static void check_object(struct object_entry *entry) * deltify other objects against, in order to avoid * circular deltas. */ - entry->type = entry->in_pack_type; + oe_set_type(entry, entry->in_pack_type); entry->delta = base_entry; entry->delta_size = entry->size; entry->delta_sibling = base_entry->delta_child; @@ -1493,7 +1498,7 @@ static void check_object(struct object_entry *entry) return; } - if (entry->type) { + if (oe_type(entry)) { /* * This must be a delta and we already know what the * final object type is. Let's extract the actual @@ -1516,7 +1521,7 @@ static void check_object(struct object_entry *entry) unuse_pack(&w_curs); } - entry->type = oid_object_info(&entry->idx.oid, &entry->size); + oe_set_type(entry, oid_object_info(&entry->idx.oid, &entry->size)); /* * The error condition is checked in prepare_pack(). This is * to permit a missing preferred base object to be ignored @@ -1559,6 +1564,7 @@ static void drop_reused_delta(struct object_entry *entry) { struct object_entry **p = &entry->delta->delta_child; struct object_info oi = OBJECT_INFO_INIT; + enum object_type type; while (*p) { if (*p == entry) @@ -1570,15 +1576,18 @@ static void drop_reused_delta(struct object_entry *entry) entry->depth = 0; oi.sizep = &entry->size; - oi.typep = &entry->type; + oi.typep = &type; if (packed_object_info(entry->in_pack, entry->in_pack_offset, &oi) < 0) { /* * We failed to get the info from this pack for some reason; * fall back to sha1_object_info, which may find another copy. - * And if that fails, the error will be recorded in entry->type + * And if that fails, the error will be recorded in oe_type(entry) * and dealt with in prepare_pack(). */ - entry->type = oid_object_info(&entry->idx.oid, &entry->size); + oe_set_type(entry, oid_object_info(&entry->idx.oid, + &entry->size)); + } else { + oe_set_type(entry, type); } } @@ -1746,10 +1755,12 @@ static int type_size_sort(const void *_a, const void *_b) { const struct object_entry *a = *(struct object_entry **)_a; const struct object_entry *b = *(struct object_entry **)_b; + enum object_type a_type = oe_type(a); + enum object_type b_type = oe_type(b); - if (a->type > b->type) + if (a_type > b_type) return -1; - if (a->type < b->type) + if (a_type < b_type) return 1; if (a->hash > b->hash) return -1; @@ -1825,7 +1836,7 @@ static int try_delta(struct unpacked *trg, struct unpacked *src, void *delta_buf; /* Don't bother doing diffs between different types */ - if (trg_entry->type != src_entry->type) + if (oe_type(trg_entry) != oe_type(src_entry)) return -1; /* @@ -2429,11 +2440,11 @@ static void prepare_pack(int window, int depth) if (!entry->preferred_base) { nr_deltas++; - if (entry->type < 0) + if (oe_type(entry) < 0) die("unable to get type of object %s", oid_to_hex(&entry->idx.oid)); } else { - if (entry->type < 0) { + if (oe_type(entry) < 0) { /* * This object is not found, but we * don't have to include it anyway. @@ -2542,7 +2553,7 @@ static void read_object_list_from_stdin(void) die("expected object ID, got garbage:\n %s", line); add_preferred_base_object(p + 1); - add_object_entry(&oid, 0, p + 1, 0); + add_object_entry(&oid, OBJ_NONE, p + 1, 0); } } @@ -373,6 +373,8 @@ extern void free_name_hash(struct index_state *istate); #define read_blob_data_from_cache(path, sz) read_blob_data_from_index(&the_index, (path), (sz)) #endif +#define TYPE_BITS 3 + enum object_type { OBJ_BAD = -1, OBJ_NONE = 0, @@ -25,7 +25,6 @@ struct object_array { #define OBJECT_ARRAY_INIT { 0, 0, NULL } -#define TYPE_BITS 3 /* * object flag allocation: * revision.h: 0---------10 26 diff --git a/pack-bitmap-write.c b/pack-bitmap-write.c index 41ae27fb19..2df7b3e144 100644 --- a/pack-bitmap-write.c +++ b/pack-bitmap-write.c @@ -64,12 +64,12 @@ void bitmap_writer_build_type_index(struct pack_idx_entry **index, entry->in_pack_pos = i; - switch (entry->type) { + switch (oe_type(entry)) { case OBJ_COMMIT: case OBJ_TREE: case OBJ_BLOB: case OBJ_TAG: - real_type = entry->type; + real_type = oe_type(entry); break; default: @@ -97,7 +97,7 @@ void bitmap_writer_build_type_index(struct pack_idx_entry **index, default: die("Missing type information for %s (%d/%d)", oid_to_hex(&entry->idx.oid), real_type, - entry->type); + oe_type(entry)); } } } diff --git a/pack-objects.h b/pack-objects.h index c0a1f61aac..b4a83a6123 100644 --- a/pack-objects.h +++ b/pack-objects.h @@ -59,8 +59,9 @@ struct object_entry { void *delta_data; /* cached delta (uncompressed) */ unsigned long delta_size; /* delta data size (uncompressed) */ unsigned long z_delta_size; /* delta data size (compressed) */ - enum object_type type; - enum object_type in_pack_type; /* could be delta */ + unsigned type_:TYPE_BITS; + unsigned in_pack_type:TYPE_BITS; /* could be delta */ + unsigned type_valid:1; uint32_t hash; /* name hint hash */ unsigned int in_pack_pos; unsigned char in_pack_header_size; @@ -123,4 +124,19 @@ static inline uint32_t pack_name_hash(const char *name) return hash; } +static inline enum object_type oe_type(const struct object_entry *e) +{ + return e->type_valid ? e->type_ : OBJ_BAD; +} + +static inline void oe_set_type(struct object_entry *e, + enum object_type type) +{ + if (type >= OBJ_ANY) + BUG("OBJ_ANY cannot be set in pack-objects code"); + + e->type_valid = type >= OBJ_NONE; + e->type_ = (unsigned)type; +} + #endif |