object.h

   1 #ifndef OBJECT_H
   2 #define OBJECT_H
   3
   4 struct object_list {
   5         struct object *item;
   6         struct object_list *next;
   7         const char *name;
   8 };
   9
  10 struct object_refs {
  11         unsigned count;
  12         struct object *ref[FLEX_ARRAY]; /* more */
  13 };
  14
  15 struct object {
  16         unsigned parsed : 1;
  17         unsigned used : 1;
  18         unsigned int flags;
  19         unsigned char sha1[20];
  20         const char *type;
  21         struct object_refs *refs;
  22         void *util;
  23 };
  24
  25 extern int track_object_refs;
  26 extern int obj_allocs;
  27 extern struct object **objs;
  28
  29 /** Internal only **/
  30 struct object *lookup_object(const unsigned char *sha1);
  31
  32 /** Returns the object, having looked it up as being the given type. **/
  33 struct object *lookup_object_type(const unsigned char *sha1, const char *type);
  34
  35 void created_object(const unsigned char *sha1, struct object *obj);
  36
  37 /** Returns the object, having parsed it to find out what it is. **/
  38 struct object *parse_object(const unsigned char *sha1);
  39
  40 /** Returns the object, with potentially excess memory allocated. **/
  41 struct object *lookup_unknown_object(const unsigned  char *sha1);
  42
  43 struct object_refs *alloc_object_refs(unsigned count);
  44 void set_object_refs(struct object *obj, struct object_refs *refs);
  45
  46 void mark_reachable(struct object *obj, unsigned int mask);
  47
  48 struct object_list *object_list_insert(struct object *item,
  49                                        struct object_list **list_p);
  50
  51 void object_list_append(struct object *item,
  52                         struct object_list **list_p);
  53
  54 unsigned object_list_length(struct object_list *list);
  55
  56 int object_list_contains(struct object_list *list, struct object *obj);
  57
  58 #endif /* OBJECT_H */