зеркало из https://github.com/microsoft/git.git
76 строки
1.9 KiB
C
76 строки
1.9 KiB
C
#ifndef OBJECT_H
|
|
#define OBJECT_H
|
|
|
|
struct object_list {
|
|
struct object *item;
|
|
struct object_list *next;
|
|
const char *name;
|
|
};
|
|
|
|
struct object_refs {
|
|
unsigned count;
|
|
struct object *base;
|
|
struct object *ref[FLEX_ARRAY]; /* more */
|
|
};
|
|
|
|
#define TYPE_BITS 3
|
|
#define FLAG_BITS 27
|
|
|
|
#define TYPE_NONE 0
|
|
#define TYPE_BLOB 1
|
|
#define TYPE_TREE 2
|
|
#define TYPE_COMMIT 3
|
|
#define TYPE_TAG 4
|
|
#define TYPE_BAD 5
|
|
|
|
struct object {
|
|
unsigned parsed : 1;
|
|
unsigned used : 1;
|
|
unsigned type : TYPE_BITS;
|
|
unsigned flags : FLAG_BITS;
|
|
unsigned char sha1[20];
|
|
};
|
|
|
|
extern int track_object_refs;
|
|
extern int obj_allocs;
|
|
extern struct object **objs;
|
|
extern const char *type_names[];
|
|
|
|
static inline const char *typename(unsigned int type)
|
|
{
|
|
return type_names[type > TYPE_TAG ? TYPE_BAD : type];
|
|
}
|
|
|
|
extern struct object_refs *lookup_object_refs(struct object *);
|
|
|
|
/** Internal only **/
|
|
struct object *lookup_object(const unsigned char *sha1);
|
|
|
|
/** Returns the object, having looked it up as being the given type. **/
|
|
struct object *lookup_object_type(const unsigned char *sha1, const char *type);
|
|
|
|
void created_object(const unsigned char *sha1, struct object *obj);
|
|
|
|
/** Returns the object, having parsed it to find out what it is. **/
|
|
struct object *parse_object(const unsigned char *sha1);
|
|
|
|
/** Returns the object, with potentially excess memory allocated. **/
|
|
struct object *lookup_unknown_object(const unsigned char *sha1);
|
|
|
|
struct object_refs *alloc_object_refs(unsigned count);
|
|
void set_object_refs(struct object *obj, struct object_refs *refs);
|
|
|
|
void mark_reachable(struct object *obj, unsigned int mask);
|
|
|
|
struct object_list *object_list_insert(struct object *item,
|
|
struct object_list **list_p);
|
|
|
|
void object_list_append(struct object *item,
|
|
struct object_list **list_p);
|
|
|
|
unsigned object_list_length(struct object_list *list);
|
|
|
|
int object_list_contains(struct object_list *list, struct object *obj);
|
|
|
|
#endif /* OBJECT_H */
|