Merge branch 'fixes'

diff --git a/object.c b/object.c
index 72f6aa552f79edcd5f4f5c4a647ab62503365b1b..1fdebe012ba8a6db0b6eae443e40a7f74ae2d597 100644 (file)
--- a/object.c
+++ b/object.c
@@ -9,6 +9,8 @@ struct object **objs;
 int nr_objs;
 static int obj_allocs;
 
+int track_object_refs = 1;
+
 static int find_object(const unsigned char *sha1)
 {
        int first = 0, last = nr_objs;
@@ -67,9 +69,12 @@ void created_object(const unsigned char *sha1, struct object *obj)
 
 void add_ref(struct object *refer, struct object *target)
 {
-       struct object_list **pp = &refer->refs;
-       struct object_list *p;
-       
+       struct object_list **pp, *p;
+
+       if (!track_object_refs)
+               return;
+
+       pp = &refer->refs;
        while ((p = *pp) != NULL) {
                if (p->item == target)
                        return;
@@ -87,6 +92,8 @@ void mark_reachable(struct object *obj, unsigned int mask)
 {
        struct object_list *p = obj->refs;
 
+       if (!track_object_refs)
+               die("cannot do reachability with object refs turned off");
        /* If we've been here already, don't bother */
        if (obj->flags & mask)
                return;
@@ -184,6 +191,17 @@ struct object_list *object_list_insert(struct object *item,
         return new_list;
 }
 
+void object_list_append(struct object *item,
+                       struct object_list **list_p)
+{
+       while (*list_p) {
+               list_p = &((*list_p)->next);
+       }
+       *list_p = xmalloc(sizeof(struct object_list));
+       (*list_p)->next = NULL;
+       (*list_p)->item = item;
+}
+
 unsigned object_list_length(struct object_list *list)
 {
        unsigned ret = 0;