git-send-email.perl: improve detection of MIME encoded-words
[git/ljr.git] / cache-tree.h
blobe95883523633a51f833683e96af1738da2868238
1 #ifndef CACHE_TREE_H
2 #define CACHE_TREE_H
4 #include "tree.h"
6 struct cache_tree;
7 struct cache_tree_sub {
8 struct cache_tree *cache_tree;
9 int namelen;
10 int used;
11 char name[FLEX_ARRAY];
14 struct 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;
22 struct cache_tree *cache_tree(void);
23 void cache_tree_free(struct cache_tree **);
24 void cache_tree_invalidate_path(struct cache_tree *, const char *);
25 struct cache_tree_sub *cache_tree_sub(struct cache_tree *, const char *);
27 void cache_tree_write(struct strbuf *, struct cache_tree *root);
28 struct cache_tree *cache_tree_read(const char *buffer, unsigned long size);
30 int cache_tree_fully_valid(struct cache_tree *);
31 int cache_tree_update(struct cache_tree *, struct cache_entry **, int, int, int);
33 #define WRITE_TREE_UNREADABLE_INDEX (-1)
34 #define WRITE_TREE_UNMERGED_INDEX (-2)
35 #define WRITE_TREE_PREFIX_ERROR (-3)
37 int write_cache_as_tree(unsigned char *sha1, int missing_ok, const char *prefix);
38 void prime_cache_tree(struct cache_tree **, struct tree *);
40 #endif