unpack_trees: group error messages by type
[git/git.git] / tree-walk.h
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1#ifndef TREE_WALK_H
2#define TREE_WALK_H
3
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4struct name_entry {
5 const unsigned char *sha1;
6 const char *path;
7 unsigned int mode;
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8};
9
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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
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23static inline int tree_entry_len(const char *name, const unsigned char *sha1)
24{
63daae47 25 return (const char *)sha1 - name - 1;
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26}
27
1b0c7174 28void update_tree_entry(struct tree_desc *);
6fda5e51 29void init_tree_desc(struct tree_desc *desc, const void *buf, unsigned long size);
1b0c7174 30
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31/* Helper function that does both of the above and returns true for success */
32int tree_entry(struct tree_desc *, struct name_entry *);
33
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34void *fill_tree_descriptor(struct tree_desc *desc, const unsigned char *sha1);
35
40d934df 36struct traverse_info;
91e4f036 37typedef int (*traverse_callback_t)(int n, unsigned long mask, unsigned long dirmask, struct name_entry *entry, struct traverse_info *);
5803c6f8 38int traverse_trees(int n, struct tree_desc *t, struct traverse_info *info);
1b0c7174 39
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40struct traverse_info {
41 struct traverse_info *prev;
42 struct name_entry name;
43 int pathlen;
44
91e4f036 45 unsigned long conflicts;
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46 traverse_callback_t fn;
47 void *data;
e6c111b4 48 int show_all_errors;
40d934df 49};
1b0c7174 50
4dcff634 51int get_tree_entry(const unsigned char *, const char *, unsigned char *, unsigned *);
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52extern char *make_traverse_path(char *path, const struct traverse_info *info, const struct name_entry *n);
53extern void setup_traverse_info(struct traverse_info *info, const char *base);
54
55static inline int traverse_path_len(const struct traverse_info *info, const struct name_entry *n)
56{
57 return info->pathlen + tree_entry_len(n->path, n->sha1);
58}
4dcff634 59
1b0c7174 60#endif