Constify

Guarantee the invariance of various item pickup functions;
move gozag gold aura removal to dec_mitm.

1 files changed, 3 insertions, 4 deletions

diff --git a/crawl-ref/source/items.h b/crawl-ref/source/items.h
index ab58927adf..5a7dde3d4f 100644
--- a/crawl-ref/source/items.h
+++ b/crawl-ref/source/items.h
@@ -42,7 +42,7 @@ bool move_item_to_grid(int *const obj, const coord_def& p,
 void move_item_stack_to_grid(const coord_def& from, const coord_def& to);
 void note_inscribe_item(item_def &item);
 bool move_item_to_inv(int obj, int quant_got, bool quiet = false);
-bool merge_items_into_inv(item_def &it, int quant_got, int &inv_slot,
+bool merge_items_into_inv(const item_def &it, int quant_got, int &inv_slot,
                           bool quiet = false);
 void mark_items_non_pickup_at(const coord_def &pos);
 void mark_items_non_visit_at(const coord_def &pos);
@@ -50,9 +50,8 @@ void clear_item_pickup_flags(item_def &item);
 bool is_stackable_item(const item_def &item);
 bool items_similar(const item_def &item1, const item_def &item2);
 bool items_stack(const item_def &item1, const item_def &item2);
-void merge_item_stacks(item_def &source, item_def &dest,
-                       int quant = -1);
-void get_gold(item_def& item, int quant, bool quiet);
+void merge_item_stacks(const item_def &source, item_def &dest, int quant = -1);
+void get_gold(const item_def& item, int quant, bool quiet);
 
 item_def *find_floor_item(object_class_type cls, int sub_type);
 int item_on_floor(const item_def &item, const coord_def& where);