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Commit | Line | Data |
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74986462 JH |
1 | #ifndef CACHE_TREE_H |
2 | #define CACHE_TREE_H | |
3 | ||
b9d37a54 | 4 | #include "tree.h" |
b65982b6 | 5 | #include "tree-walk.h" |
b9d37a54 | 6 | |
74986462 JH |
7 | struct cache_tree; |
8 | struct cache_tree_sub { | |
9 | struct cache_tree *cache_tree; | |
10 | int namelen; | |
11 | int used; | |
12 | char name[FLEX_ARRAY]; | |
13 | }; | |
14 | ||
15 | struct cache_tree { | |
16 | int entry_count; /* negative means "invalid" */ | |
17 | unsigned char sha1[20]; | |
18 | int subtree_nr; | |
19 | int subtree_alloc; | |
20 | struct cache_tree_sub **down; | |
21 | }; | |
22 | ||
23 | struct cache_tree *cache_tree(void); | |
bad68ec9 | 24 | void cache_tree_free(struct cache_tree **); |
74986462 | 25 | void cache_tree_invalidate_path(struct cache_tree *, const char *); |
7927a55d | 26 | struct cache_tree_sub *cache_tree_sub(struct cache_tree *, const char *); |
74986462 | 27 | |
1dffb8fa | 28 | void cache_tree_write(struct strbuf *, struct cache_tree *root); |
bad68ec9 | 29 | struct cache_tree *cache_tree_read(const char *buffer, unsigned long size); |
74986462 | 30 | |
bad68ec9 | 31 | int cache_tree_fully_valid(struct cache_tree *); |
2956dd3b | 32 | int cache_tree_update(struct cache_tree *, struct cache_entry **, int, int, int); |
74986462 | 33 | |
d11b8d34 JH |
34 | /* bitmasks to write_cache_as_tree flags */ |
35 | #define WRITE_TREE_MISSING_OK 1 | |
36 | #define WRITE_TREE_IGNORE_CACHE_TREE 2 | |
37 | ||
38 | /* error return codes */ | |
45525bd0 JH |
39 | #define WRITE_TREE_UNREADABLE_INDEX (-1) |
40 | #define WRITE_TREE_UNMERGED_INDEX (-2) | |
41 | #define WRITE_TREE_PREFIX_ERROR (-3) | |
42 | ||
d11b8d34 | 43 | int write_cache_as_tree(unsigned char *sha1, int flags, const char *prefix); |
b9d37a54 JH |
44 | void prime_cache_tree(struct cache_tree **, struct tree *); |
45 | ||
b65982b6 JH |
46 | extern int cache_tree_matches_traversal(struct cache_tree *, struct name_entry *ent, struct traverse_info *info); |
47 | ||
74986462 | 48 | #endif |