git-apply: allow operating in sparsely populated working tree.
[git/jnareb-git.git] / object.h
blob6accda33d8c8d6b8ef33a4df50bf350d9f088dc6
1 #ifndef OBJECT_H
2 #define OBJECT_H
4 struct object_list {
5 struct object *item;
6 struct object_list *next;
7 const char *name;
8 };
10 struct object {
11 unsigned parsed : 1;
12 unsigned used : 1;
13 unsigned int flags;
14 unsigned char sha1[20];
15 const char *type;
16 struct object_list *refs;
17 void *util;
20 extern int track_object_refs;
21 extern int nr_objs;
22 extern struct object **objs;
24 /** Internal only **/
25 struct object *lookup_object(const unsigned char *sha1);
27 /** Returns the object, having looked it up as being the given type. **/
28 struct object *lookup_object_type(const unsigned char *sha1, const char *type);
30 void created_object(const unsigned char *sha1, struct object *obj);
32 /** Returns the object, having parsed it to find out what it is. **/
33 struct object *parse_object(const unsigned char *sha1);
35 /** Returns the object, with potentially excess memory allocated. **/
36 struct object *lookup_unknown_object(const unsigned char *sha1);
38 void add_ref(struct object *refer, struct object *target);
40 void mark_reachable(struct object *obj, unsigned int mask);
42 struct object_list *object_list_insert(struct object *item,
43 struct object_list **list_p);
45 void object_list_append(struct object *item,
46 struct object_list **list_p);
48 unsigned object_list_length(struct object_list *list);
50 int object_list_contains(struct object_list *list, struct object *obj);
52 #endif /* OBJECT_H */