1 files changed, 52 insertions, 0 deletions
diff --git a/object.h b/object.h
new file mode 100644
index 0000000000..6accda33d8
--- /dev/null
+++ b/object.h
@@ -0,0 +1,52 @@
+#ifndef OBJECT_H
+#define OBJECT_H
+
+struct object_list {
+	struct object *item;
+	struct object_list *next;
+	const char *name;
+};
+
+struct object {
+	unsigned parsed : 1;
+	unsigned used : 1;
+	unsigned int flags;
+	unsigned char sha1[20];
+	const char *type;
+	struct object_list *refs;
+	void *util;
+};
+
+extern int track_object_refs;
+extern int nr_objs;
+extern struct object **objs;
+
+/** 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);
+
+void add_ref(struct object *refer, struct object *target);
+
+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 */