diff options
Diffstat (limited to 'pack-objects.h')
| -rw-r--r-- | pack-objects.h | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/pack-objects.h b/pack-objects.h index ee2c7ab382..1c588184b2 100644 --- a/pack-objects.h +++ b/pack-objects.h @@ -12,6 +12,7 @@ * above this limit. Don't lower it too much. */ #define OE_SIZE_BITS 31 +#define OE_DELTA_SIZE_BITS 20 /* * State flags for depth-first search used for analyzing delta cycles. @@ -85,7 +86,8 @@ struct object_entry { * uses the same base as me */ void *delta_data; /* cached delta (uncompressed) */ - unsigned long delta_size; /* delta data size (uncompressed) */ + unsigned delta_size_:OE_DELTA_SIZE_BITS; /* delta data size (uncompressed) */ + unsigned delta_size_valid:1; unsigned z_delta_size:OE_Z_DELTA_BITS; unsigned type_:TYPE_BITS; unsigned in_pack_type:TYPE_BITS; /* could be delta */ @@ -309,4 +311,23 @@ static inline void oe_set_size(struct packing_data *pack, } } +static inline unsigned long oe_delta_size(struct packing_data *pack, + const struct object_entry *e) +{ + if (e->delta_size_valid) + return e->delta_size_; + return oe_size(pack, e); +} + +static inline void oe_set_delta_size(struct packing_data *pack, + struct object_entry *e, + unsigned long size) +{ + e->delta_size_ = size; + e->delta_size_valid = e->delta_size_ == size; + if (!e->delta_size_valid && size != oe_size(pack, e)) + BUG("this can only happen in check_object() " + "where delta size is the same as entry size"); +} + #endif |