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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; | |
3cf773e4 | 10 | int count; /* internally used by update_one() */ |
74986462 JH |
11 | int namelen; |
12 | int used; | |
13 | char name[FLEX_ARRAY]; | |
14 | }; | |
15 | ||
16 | struct cache_tree { | |
17 | int entry_count; /* negative means "invalid" */ | |
18 | unsigned char sha1[20]; | |
19 | int subtree_nr; | |
20 | int subtree_alloc; | |
21 | struct cache_tree_sub **down; | |
22 | }; | |
23 | ||
24 | struct cache_tree *cache_tree(void); | |
bad68ec9 | 25 | void cache_tree_free(struct cache_tree **); |
74986462 | 26 | void cache_tree_invalidate_path(struct cache_tree *, const char *); |
7927a55d | 27 | struct cache_tree_sub *cache_tree_sub(struct cache_tree *, const char *); |
74986462 | 28 | |
1dffb8fa | 29 | void cache_tree_write(struct strbuf *, struct cache_tree *root); |
bad68ec9 | 30 | struct cache_tree *cache_tree_read(const char *buffer, unsigned long size); |
74986462 | 31 | |
bad68ec9 | 32 | int cache_tree_fully_valid(struct cache_tree *); |
9c5e6c80 | 33 | int cache_tree_update(struct cache_tree *, const struct cache_entry * const *, int, int); |
996277c5 TR |
34 | |
35 | int update_main_cache_tree(int); | |
74986462 | 36 | |
d11b8d34 JH |
37 | /* bitmasks to write_cache_as_tree flags */ |
38 | #define WRITE_TREE_MISSING_OK 1 | |
39 | #define WRITE_TREE_IGNORE_CACHE_TREE 2 | |
e859c69b NTND |
40 | #define WRITE_TREE_DRY_RUN 4 |
41 | #define WRITE_TREE_SILENT 8 | |
d11b8d34 JH |
42 | |
43 | /* error return codes */ | |
45525bd0 JH |
44 | #define WRITE_TREE_UNREADABLE_INDEX (-1) |
45 | #define WRITE_TREE_UNMERGED_INDEX (-2) | |
46 | #define WRITE_TREE_PREFIX_ERROR (-3) | |
47 | ||
d11b8d34 | 48 | int write_cache_as_tree(unsigned char *sha1, int flags, const char *prefix); |
b9d37a54 JH |
49 | void prime_cache_tree(struct cache_tree **, struct tree *); |
50 | ||
b65982b6 JH |
51 | extern int cache_tree_matches_traversal(struct cache_tree *, struct name_entry *ent, struct traverse_info *info); |
52 | ||
74986462 | 53 | #endif |