diff options
Diffstat (limited to 'pack-objects.h')
| -rw-r--r-- | pack-objects.h | 67 |
1 files changed, 62 insertions, 5 deletions
diff --git a/pack-objects.h b/pack-objects.h index 7bedd5a..e962dce 100644 --- a/pack-objects.h +++ b/pack-objects.h @@ -70,11 +70,11 @@ struct object_entry { unsigned long size; /* uncompressed size */ unsigned in_pack_idx:OE_IN_PACK_BITS; /* already in pack */ off_t in_pack_offset; - struct object_entry *delta; /* delta base object */ - struct object_entry *delta_child; /* deltified objects who bases me */ - struct object_entry *delta_sibling; /* other deltified objects who - * uses the same base as me - */ + uint32_t delta_idx; /* delta base object */ + uint32_t delta_child_idx; /* deltified objects who bases me */ + uint32_t delta_sibling_idx; /* other deltified objects who + * uses the same base as me + */ void *delta_data; /* cached delta (uncompressed) */ unsigned long delta_size; /* delta data size (uncompressed) */ unsigned long z_delta_size; /* delta data size (compressed) */ @@ -194,4 +194,61 @@ static inline void oe_set_in_pack(struct packing_data *pack, pack->in_pack[e - pack->objects] = p; } +static inline struct object_entry *oe_delta( + const struct packing_data *pack, + const struct object_entry *e) +{ + if (e->delta_idx) + return &pack->objects[e->delta_idx - 1]; + return NULL; +} + +static inline void oe_set_delta(struct packing_data *pack, + struct object_entry *e, + struct object_entry *delta) +{ + if (delta) + e->delta_idx = (delta - pack->objects) + 1; + else + e->delta_idx = 0; +} + +static inline struct object_entry *oe_delta_child( + const struct packing_data *pack, + const struct object_entry *e) +{ + if (e->delta_child_idx) + return &pack->objects[e->delta_child_idx - 1]; + return NULL; +} + +static inline void oe_set_delta_child(struct packing_data *pack, + struct object_entry *e, + struct object_entry *delta) +{ + if (delta) + e->delta_child_idx = (delta - pack->objects) + 1; + else + e->delta_child_idx = 0; +} + +static inline struct object_entry *oe_delta_sibling( + const struct packing_data *pack, + const struct object_entry *e) +{ + if (e->delta_sibling_idx) + return &pack->objects[e->delta_sibling_idx - 1]; + return NULL; +} + +static inline void oe_set_delta_sibling(struct packing_data *pack, + struct object_entry *e, + struct object_entry *delta) +{ + if (delta) + e->delta_sibling_idx = (delta - pack->objects) + 1; + else + e->delta_sibling_idx = 0; +} + #endif |