cache-tree.hon commit for-each-ref: Do not lookup objects when they will not be used (b7dd2d2)
   1#ifndef CACHE_TREE_H
   2#define CACHE_TREE_H
   3
   4#include "tree.h"
   5
   6struct cache_tree;
   7struct cache_tree_sub {
   8        struct cache_tree *cache_tree;
   9        int namelen;
  10        int used;
  11        char name[FLEX_ARRAY];
  12};
  13
  14struct cache_tree {
  15        int entry_count; /* negative means "invalid" */
  16        unsigned char sha1[20];
  17        int subtree_nr;
  18        int subtree_alloc;
  19        struct cache_tree_sub **down;
  20};
  21
  22struct cache_tree *cache_tree(void);
  23void cache_tree_free(struct cache_tree **);
  24void cache_tree_invalidate_path(struct cache_tree *, const char *);
  25struct cache_tree_sub *cache_tree_sub(struct cache_tree *, const char *);
  26
  27void cache_tree_write(struct strbuf *, struct cache_tree *root);
  28struct cache_tree *cache_tree_read(const char *buffer, unsigned long size);
  29
  30int cache_tree_fully_valid(struct cache_tree *);
  31int cache_tree_update(struct cache_tree *, struct cache_entry **, int, int, int);
  32
  33#define WRITE_TREE_UNREADABLE_INDEX (-1)
  34#define WRITE_TREE_UNMERGED_INDEX (-2)
  35#define WRITE_TREE_PREFIX_ERROR (-3)
  36
  37int write_cache_as_tree(unsigned char *sha1, int missing_ok, const char *prefix);
  38void prime_cache_tree(struct cache_tree **, struct tree *);
  39
  40#endif