Revision c62266f37c677c1de7415ac6cf1e2eb6726590e1 authored by Junio C Hamano on 01 July 2005, 00:13:07 UTC, committed by Linus Torvalds on 01 July 2005, 05:33:47 UTC
This teaches packed_delta_info() that it only needs to look at the type of the base object to figure out both type and size of a deltified object. This saves quite a many calls to inflate() when dealing with a deep delta chain. Signed-off-by: Junio C Hamano <junkio@cox.net> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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pack.h
#ifndef PACK_H
#define PACK_H
/*
* The packed object type is stored in 3 bits.
* The type value 0 is a reserved prefix if ever there is more than 7
* object types, or any future format extensions.
*/
enum object_type {
OBJ_EXT = 0,
OBJ_COMMIT = 1,
OBJ_TREE = 2,
OBJ_BLOB = 3,
OBJ_TAG = 4,
/* 5/6 for future expansion */
OBJ_DELTA = 7,
};
/*
* Packed object header
*/
#define PACK_SIGNATURE 0x5041434b /* "PACK" */
#define PACK_VERSION 2
struct pack_header {
unsigned int hdr_signature;
unsigned int hdr_version;
unsigned int hdr_entries;
};
extern int verify_pack(struct packed_git *);
#endif
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