midx: fix bug that skips midx with alternates
[git/git.git] / midx.h
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 int local;
22
23 const unsigned char *chunk_pack_names;
24 const uint32_t *chunk_oid_fanout;
25 const unsigned char *chunk_oid_lookup;
26 const unsigned char *chunk_object_offsets;
27 const unsigned char *chunk_large_offsets;
28
29 const char **pack_names;
30 struct packed_git **packs;
31 char object_dir[FLEX_ARRAY];
32 };
33
34 struct multi_pack_index *load_multi_pack_index(const char *object_dir, int local);
35 int bsearch_midx(const struct object_id *oid, struct multi_pack_index *m, uint32_t *result);
36 struct object_id *nth_midxed_object_oid(struct object_id *oid,
37 struct multi_pack_index *m,
38 uint32_t n);
39 int fill_midx_entry(const struct object_id *oid, struct pack_entry *e, struct multi_pack_index *m);
40 int midx_contains_pack(struct multi_pack_index *m, const char *idx_name);
41 int prepare_multi_pack_index_one(struct repository *r, const char *object_dir, int local);
42
43 int write_midx_file(const char *object_dir);
44 void clear_midx_file(const char *object_dir);
45
46 #endif