1#ifndef PACK_H 2#define PACK_H 3 4/* 5 * The packed object type is stored in 3 bits. 6 * The type value 0 is a reserved prefix if ever there is more than 7 7 * object types, or any future format extensions. 8 */ 9enum object_type { 10 OBJ_EXT =0, 11 OBJ_COMMIT =1, 12 OBJ_TREE =2, 13 OBJ_BLOB =3, 14 OBJ_TAG =4, 15/* 5/6 for future expansion */ 16 OBJ_DELTA =7, 17}; 18 19/* 20 * Packed object header 21 */ 22#define PACK_SIGNATURE 0x5041434b/* "PACK" */ 23#define PACK_VERSION 2 24struct pack_header { 25unsigned int hdr_signature; 26unsigned int hdr_version; 27unsigned int hdr_entries; 28}; 29 30#endif