midx.h

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