add leaf data casting helper

[platform/upstream/btrfs-progs.git] / print-tree.c

diff --git a/print-tree.c b/print-tree.c
index 64829b6..e769f36 100644 (file)
--- a/print-tree.c
+++ b/print-tree.c
@@ -26,11 +26,10 @@ void btrfs_print_leaf(struct btrfs_leaf *l)
                        btrfs_item_size(item));
                printf("\t\titem data %.*s\n", btrfs_item_size(item),
                        l->data + btrfs_item_offset(item));
-               ei = (struct btrfs_extent_item *)(l->data +
-                                                 btrfs_item_offset(item));
+               ei = btrfs_item_ptr(l, i, struct btrfs_extent_item);
                printf("\t\textent data refs %u owner %Lu\n",
                        btrfs_extent_refs(ei), btrfs_extent_owner(ei));
-               ri = (struct btrfs_root_item *)ei;
+               ri = btrfs_item_ptr(l, i, struct btrfs_root_item);
                printf("\t\troot data blocknr %Lu refs %u\n",
                        btrfs_root_blocknr(ri), btrfs_root_refs(ri));
                fflush(stdout);