minor git-prune optimization
[git/spearce.git] / tree-walk.h
bloba0d7afd89bee1746912c61164e839daaa05a9b0c
1 #ifndef TREE_WALK_H
2 #define TREE_WALK_H
4 struct tree_desc {
5 const void *buf;
6 unsigned long size;
7 };
9 struct name_entry {
10 const unsigned char *sha1;
11 const char *path;
12 unsigned int mode;
13 int pathlen;
16 static inline int tree_entry_len(const char *name, const unsigned char *sha1)
18 return (char *)sha1 - (char *)name - 1;
21 void update_tree_entry(struct tree_desc *);
22 const unsigned char *tree_entry_extract(struct tree_desc *, const char **, unsigned int *);
24 /* Helper function that does both of the above and returns true for success */
25 int tree_entry(struct tree_desc *, struct name_entry *);
27 void *fill_tree_descriptor(struct tree_desc *desc, const unsigned char *sha1);
29 typedef void (*traverse_callback_t)(int n, unsigned long mask, struct name_entry *entry, const char *base);
31 void traverse_trees(int n, struct tree_desc *t, const char *base, traverse_callback_t callback);
33 int get_tree_entry(const unsigned char *, const char *, unsigned char *, unsigned *);
35 #endif