midx.h

   1 #ifndef MIDX_H
   2 #define MIDX_H
   3
   4 #include "repository.h"
   5
   6 struct object_id;
   7 struct pack_entry;
   8
   9 struct multi_pack_index {
  10         struct multi_pack_index *next;
  11
  12         int fd;
  13
  14         const unsigned char *data;
  15         size_t data_len;
  16
  17         uint32_t signature;
  18         unsigned char version;
  19         unsigned char hash_len;
  20         unsigned char num_chunks;
  21         uint32_t num_packs;
  22         uint32_t num_objects;
  23
  24         int local;
  25
  26         const unsigned char *chunk_pack_names;
  27         const uint32_t *chunk_oid_fanout;
  28         const unsigned char *chunk_oid_lookup;
  29         const unsigned char *chunk_object_offsets;
  30         const unsigned char *chunk_large_offsets;
  31
  32         const char **pack_names;
  33         struct packed_git **packs;
  34         char object_dir[FLEX_ARRAY];
  35 };
  36
  37 struct multi_pack_index *load_multi_pack_index(const char *object_dir, int local);
  38 int prepare_midx_pack(struct multi_pack_index *m, uint32_t pack_int_id);
  39 int bsearch_midx(const struct object_id *oid, struct multi_pack_index *m, uint32_t *result);
  40 struct object_id *nth_midxed_object_oid(struct object_id *oid,
  41                                         struct multi_pack_index *m,
  42                                         uint32_t n);
  43 int fill_midx_entry(const struct object_id *oid, struct pack_entry *e, struct multi_pack_index *m);
  44 int midx_contains_pack(struct multi_pack_index *m, const char *idx_name);
  45 int prepare_multi_pack_index_one(struct repository *r, const char *object_dir, int local);
  46
  47 int write_midx_file(const char *object_dir);
  48 void clear_midx_file(const char *object_dir);
  49 int verify_midx_file(const char *object_dir);
  50
  51 #endif