tree-walk.hon commit Add merge-subtree back (1736855)
   1#ifndef TREE_WALK_H
   2#define TREE_WALK_H
   3
   4struct name_entry {
   5        const unsigned char *sha1;
   6        const char *path;
   7        unsigned int mode;
   8};
   9
  10struct tree_desc {
  11        const void *buffer;
  12        struct name_entry entry;
  13        unsigned int size;
  14};
  15
  16static 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
  23static inline int tree_entry_len(const char *name, const unsigned char *sha1)
  24{
  25        return (const char *)sha1 - name - 1;
  26}
  27
  28void update_tree_entry(struct tree_desc *);
  29void init_tree_desc(struct tree_desc *desc, const void *buf, unsigned long size);
  30
  31/* Helper function that does both of the above and returns true for success */
  32int tree_entry(struct tree_desc *, struct name_entry *);
  33
  34void *fill_tree_descriptor(struct tree_desc *desc, const unsigned char *sha1);
  35
  36typedef void (*traverse_callback_t)(int n, unsigned long mask, struct name_entry *entry, const char *base);
  37
  38void traverse_trees(int n, struct tree_desc *t, const char *base, traverse_callback_t callback);
  39
  40int get_tree_entry(const unsigned char *, const char *, unsigned char *, unsigned *);
  41
  42#endif