[thirdparty/git.git] / midx.h

#ifndef __MIDX_H__
#define __MIDX_H__

#include "repository.h"

struct multi_pack_index {
	struct multi_pack_index *next;

	int fd;

	const unsigned char *data;
	size_t data_len;

	uint32_t signature;
	unsigned char version;
	unsigned char hash_len;
	unsigned char num_chunks;
	uint32_t num_packs;
	uint32_t num_objects;

	const unsigned char *chunk_pack_names;
	const uint32_t *chunk_oid_fanout;
	const unsigned char *chunk_oid_lookup;
	const unsigned char *chunk_object_offsets;
	const unsigned char *chunk_large_offsets;

	const char **pack_names;
	struct packed_git **packs;
	char object_dir[FLEX_ARRAY];
};

struct multi_pack_index *load_multi_pack_index(const char *object_dir);
int bsearch_midx(const struct object_id *oid, struct multi_pack_index *m, uint32_t *result);
struct object_id *nth_midxed_object_oid(struct object_id *oid,
					struct multi_pack_index *m,
					uint32_t n);
int fill_midx_entry(const struct object_id *oid, struct pack_entry *e, struct multi_pack_index *m);
int midx_contains_pack(struct multi_pack_index *m, const char *idx_name);
int prepare_multi_pack_index_one(struct repository *r, const char *object_dir);

int write_midx_file(const char *object_dir);
void clear_midx_file(const char *object_dir);

#endif
Commit	Line	Data
	1	#ifndef __MIDX_H__
	2	#define __MIDX_H__
	3
	4	#include "repository.h"
	5
	6	struct multi_pack_index {
	7	struct multi_pack_index *next;
	8
	9	int fd;
	10
	11	const unsigned char *data;
	12	size_t data_len;
	13
	14	uint32_t signature;
	15	unsigned char version;
	16	unsigned char hash_len;
	17	unsigned char num_chunks;
	18	uint32_t num_packs;
	19	uint32_t num_objects;
	20
	21	const unsigned char *chunk_pack_names;
	22	const uint32_t *chunk_oid_fanout;
	23	const unsigned char *chunk_oid_lookup;
	24	const unsigned char *chunk_object_offsets;
	25	const unsigned char *chunk_large_offsets;
	26
	27	const char **pack_names;
	28	struct packed_git **packs;
	29	char object_dir[FLEX_ARRAY];
	30	};
	31
	32	struct multi_pack_index load_multi_pack_index(const char object_dir);
	33	int bsearch_midx(const struct object_id oid, struct multi_pack_index m, uint32_t *result);
	34	struct object_id nth_midxed_object_oid(struct object_id oid,
	35	struct multi_pack_index *m,
	36	uint32_t n);
	37	int fill_midx_entry(const struct object_id oid, struct pack_entry e, struct multi_pack_index *m);
	38	int midx_contains_pack(struct multi_pack_index m, const char idx_name);
	39	int prepare_multi_pack_index_one(struct repository r, const char object_dir);
	40
	41	int write_midx_file(const char *object_dir);
	42	void clear_midx_file(const char *object_dir);
	43
	44	#endif