diff options
Diffstat (limited to 'cache-tree.h')
-rw-r--r-- | cache-tree.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/cache-tree.h b/cache-tree.h new file mode 100644 index 0000000000..3df641f593 --- /dev/null +++ b/cache-tree.h @@ -0,0 +1,48 @@ +#ifndef CACHE_TREE_H +#define CACHE_TREE_H + +#include "tree.h" +#include "tree-walk.h" + +struct cache_tree; +struct cache_tree_sub { + struct cache_tree *cache_tree; + int namelen; + int used; + char name[FLEX_ARRAY]; +}; + +struct cache_tree { + int entry_count; /* negative means "invalid" */ + unsigned char sha1[20]; + int subtree_nr; + int subtree_alloc; + struct cache_tree_sub **down; +}; + +struct cache_tree *cache_tree(void); +void cache_tree_free(struct cache_tree **); +void cache_tree_invalidate_path(struct cache_tree *, const char *); +struct cache_tree_sub *cache_tree_sub(struct cache_tree *, const char *); + +void cache_tree_write(struct strbuf *, struct cache_tree *root); +struct cache_tree *cache_tree_read(const char *buffer, unsigned long size); + +int cache_tree_fully_valid(struct cache_tree *); +int cache_tree_update(struct cache_tree *, struct cache_entry **, int, int, int); + +/* bitmasks to write_cache_as_tree flags */ +#define WRITE_TREE_MISSING_OK 1 +#define WRITE_TREE_IGNORE_CACHE_TREE 2 + +/* error return codes */ +#define WRITE_TREE_UNREADABLE_INDEX (-1) +#define WRITE_TREE_UNMERGED_INDEX (-2) +#define WRITE_TREE_PREFIX_ERROR (-3) + +int write_cache_as_tree(unsigned char *sha1, int flags, const char *prefix); +void prime_cache_tree(struct cache_tree **, struct tree *); + +extern int cache_tree_matches_traversal(struct cache_tree *, struct name_entry *ent, struct traverse_info *info); + +#endif |