tree-walk.h

   1 #ifndef TREE_WALK_H
   2 #define TREE_WALK_H
   3
   4 struct name_entry {
   5         const unsigned char *sha1;
   6         const char *path;
   7         unsigned int mode;
   8 };
   9
  10 struct tree_desc {
  11         const void *buffer;
  12         struct name_entry entry;
  13         unsigned int size;
  14 };
  15
  16 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);
  20         return desc->entry.sha1;
  21 }
  22
  23 static inline int tree_entry_len(const char *name, const unsigned char *sha1)
  24 {
  25         return (char *)sha1 - (char *)name - 1;
  26 }
  27
  28 void update_tree_entry(struct tree_desc *);
  29 void init_tree_desc(struct tree_desc *desc, const void *buf, unsigned long size);
  30 const unsigned char *tree_entry_extract(struct tree_desc *, const char **, unsigned int *);
  31
  32 /* Helper function that does both of the above and returns true for success */
  33 int tree_entry(struct tree_desc *, struct name_entry *);
  34
  35 void *fill_tree_descriptor(struct tree_desc *desc, const unsigned char *sha1);
  36
  37 typedef void (*traverse_callback_t)(int n, unsigned long mask, struct name_entry *entry, const char *base);
  38
  39 void traverse_trees(int n, struct tree_desc *t, const char *base, traverse_callback_t callback);
  40
  41 int get_tree_entry(const unsigned char *, const char *, unsigned char *, unsigned *);
  42
  43 #endif