Merge branch 'jk/xdiff-interface'

diff --git a/pack-objects.h b/pack-objects.h
index b0c1f137c675519cd527be2bc4a058e71024562c..86ee93feb4f7d14518ed1ffe9cac8d8a7cd817fe 100644 (file)
--- a/pack-objects.h
+++ b/pack-objects.h
@@ -103,6 +103,7 @@ struct object_entry {
        unsigned no_try_delta:1;
        unsigned type_:TYPE_BITS;
        unsigned in_pack_type:TYPE_BITS; /* could be delta */
+
        unsigned preferred_base:1; /*
                                    * we do not pack this, but is available
                                    * to be used as the base object to delta
@@ -158,6 +159,10 @@ struct packing_data {
 
        uintmax_t oe_size_limit;
        uintmax_t oe_delta_size_limit;
+
+       /* delta islands */
+       unsigned int *tree_depth;
+       unsigned char *layer;
 };
 
 void prepare_packing_data(struct packing_data *pdata);
@@ -372,7 +377,7 @@ static inline unsigned long oe_delta_size(struct packing_data *pack,
                return e->delta_size_;
 
        /*
-        * pack->detla_size[] can't be NULL because oe_set_delta_size()
+        * pack->delta_size[] can't be NULL because oe_set_delta_size()
         * must have been called when a new delta is saved with
         * oe_set_delta().
         * If oe_delta() returns NULL (i.e. default state, which means
@@ -400,4 +405,38 @@ static inline void oe_set_delta_size(struct packing_data *pack,
        }
 }
 
+static inline unsigned int oe_tree_depth(struct packing_data *pack,
+                                        struct object_entry *e)
+{
+       if (!pack->tree_depth)
+               return 0;
+       return pack->tree_depth[e - pack->objects];
+}
+
+static inline void oe_set_tree_depth(struct packing_data *pack,
+                                    struct object_entry *e,
+                                    unsigned int tree_depth)
+{
+       if (!pack->tree_depth)
+               ALLOC_ARRAY(pack->tree_depth, pack->nr_objects);
+       pack->tree_depth[e - pack->objects] = tree_depth;
+}
+
+static inline unsigned char oe_layer(struct packing_data *pack,
+                                    struct object_entry *e)
+{
+       if (!pack->layer)
+               return 0;
+       return pack->layer[e - pack->objects];
+}
+
+static inline void oe_set_layer(struct packing_data *pack,
+                               struct object_entry *e,
+                               unsigned char layer)
+{
+       if (!pack->layer)
+               ALLOC_ARRAY(pack->layer, pack->nr_objects);
+       pack->layer[e - pack->objects] = layer;
+}
+
 #endif