1#ifndef TREE_WALK_H
2#define TREE_WALK_H
34
struct name_entry {
5const unsigned char *sha1;
6const char *path;
7unsigned int mode;
8};
910
struct tree_desc {
11const void *buffer;
12struct name_entry entry;
13unsigned int size;
14};
1516
static inline const unsigned char *tree_entry_extract(struct tree_desc *desc, const char **pathp, unsigned int *modep)
17{
18*pathp = desc->entry.path;
19*modep = canon_mode(desc->entry.mode);
20return desc->entry.sha1;
21}
2223
static inline int tree_entry_len(const char *name, const unsigned char *sha1)
24{
25return (char *)sha1 - (char *)name - 1;
26}
2728
void update_tree_entry(struct tree_desc *);
29void init_tree_desc(struct tree_desc *desc, const void *buf, unsigned long size);
3031
/* Helper function that does both of the above and returns true for success */
32int tree_entry(struct tree_desc *, struct name_entry *);
3334
void *fill_tree_descriptor(struct tree_desc *desc, const unsigned char *sha1);
3536
typedef void (*traverse_callback_t)(int n, unsigned long mask, struct name_entry *entry, const char *base);
3738
void traverse_trees(int n, struct tree_desc *t, const char *base, traverse_callback_t callback);
3940
int get_tree_entry(const unsigned char *, const char *, unsigned char *, unsigned *);
4142
#endif