packfile.h

   1 #ifndef PACKFILE_H
   2 #define PACKFILE_H
   3
   4 /*
   5  * Generate the filename to be used for a pack file with checksum "sha1" and
   6  * extension "ext". The result is written into the strbuf "buf", overwriting
   7  * any existing contents. A pointer to buf->buf is returned as a convenience.
   8  *
   9  * Example: odb_pack_name(out, sha1, "idx") => ".git/objects/pack/pack-1234..idx"
  10  */
  11 extern char *odb_pack_name(struct strbuf *buf, const unsigned char *sha1, const char *ext);
  12
  13 /*
  14  * Return the name of the (local) packfile with the specified sha1 in
  15  * its name.  The return value is a pointer to memory that is
  16  * overwritten each time this function is called.
  17  */
  18 extern char *sha1_pack_name(const unsigned char *sha1);
  19
  20 /*
  21  * Return the name of the (local) pack index file with the specified
  22  * sha1 in its name.  The return value is a pointer to memory that is
  23  * overwritten each time this function is called.
  24  */
  25 extern char *sha1_pack_index_name(const unsigned char *sha1);
  26
  27 extern unsigned int pack_used_ctr;
  28 extern unsigned int pack_mmap_calls;
  29 extern unsigned int peak_pack_open_windows;
  30 extern unsigned int pack_open_windows;
  31 extern unsigned int pack_open_fds;
  32 extern unsigned int pack_max_fds;
  33 extern size_t peak_pack_mapped;
  34 extern size_t pack_mapped;
  35
  36 extern struct packed_git *parse_pack_index(unsigned char *sha1, const char *idx_path);
  37
  38 extern void pack_report(void);
  39
  40 /*
  41  * mmap the index file for the specified packfile (if it is not
  42  * already mmapped).  Return 0 on success.
  43  */
  44 extern int open_pack_index(struct packed_git *);
  45
  46 /*
  47  * munmap the index file for the specified packfile (if it is
  48  * currently mmapped).
  49  */
  50 extern void close_pack_index(struct packed_git *);
  51
  52 extern void close_pack_windows(struct packed_git *);
  53 extern void close_all_packs(void);
  54
  55 extern int close_pack_fd(struct packed_git *);
  56
  57 extern int unuse_one_window(struct packed_git *current);
  58
  59 extern void release_pack_memory(size_t);
  60
  61 #endif