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 */
+};
+
+struct object_array {
+ unsigned int nr;
+ unsigned int alloc;
+ struct object_array_entry {
+ struct object *item;
+ const char *name;
+ } *objects;
+};
+
+#define TYPE_BITS 3
+#define FLAG_BITS 27
+
+/*
+ * The object type is stored in 3 bits.
+ */
+enum object_type {
+ OBJ_NONE = 0,
+ OBJ_COMMIT = 1,
+ OBJ_TREE = 2,
+ OBJ_BLOB = 3,
+ OBJ_TAG = 4,
+ /* 5/6 for future expansion */
+ OBJ_DELTA = 7,
+ OBJ_BAD,
};
struct object {
unsigned parsed : 1;
unsigned used : 1;
- unsigned int flags;
+ unsigned type : TYPE_BITS;
+ unsigned flags : FLAG_BITS;
unsigned char sha1[20];
- const char *type;
- struct object_list *refs;
- void *util;
};
-extern int nr_objs;
-extern struct object **objs;
+extern int track_object_refs;
+extern const char *type_names[9];
+
+extern unsigned int get_max_object_index(void);
+extern struct object *get_indexed_object(unsigned int);
+
+static inline const char *typename(unsigned int type)
+{
+ return type_names[type > OBJ_BAD ? OBJ_BAD : type];
+}
+
+extern struct object_refs *lookup_object_refs(struct object *);
/** Internal only **/
struct object *lookup_object(const unsigned char *sha1);
/** Returns the object, with potentially excess memory allocated. **/
struct object *lookup_unknown_object(const unsigned char *sha1);
-void add_ref(struct object *refer, struct object *target);
+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);
+/* Object array handling .. */
+void add_object_array(struct object *obj, const char *name, struct object_array *array);
+
#endif /* OBJECT_H */