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git/cache-tree.h
Nguyễn Thái Ngọc Duy e859c69b26 cache-tree: update API to take abitrary flags
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-07 16:35:43 -08:00

52 lines
1.4 KiB
C

#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 update_main_cache_tree(int);
/* bitmasks to write_cache_as_tree flags */
#define WRITE_TREE_MISSING_OK 1
#define WRITE_TREE_IGNORE_CACHE_TREE 2
#define WRITE_TREE_DRY_RUN 4
#define WRITE_TREE_SILENT 8
/* 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