git / cache-tree.h

#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 */

/* error return codes */

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);

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