diff BUGFIX all nodes must be traversed when reversing diff
diff --git a/src/diff.c b/src/diff.c
index da4dfa9..7090259 100644
--- a/src/diff.c
+++ b/src/diff.c
@@ -1640,12 +1640,38 @@
return ret;
}
+/**
+ * @brief Remove specific operation from all the nodes in a subtree.
+ *
+ * @param[in] diff Diff subtree to process.
+ * @param[in] op Only expected operation.
+ * @return LY_ERR value.
+ */
+static LY_ERR
+lyd_diff_reverse_remove_op_r(struct lyd_node *diff, enum lyd_diff_op op)
+{
+ struct lyd_node *elem;
+ struct lyd_meta *meta;
+
+ LYD_TREE_DFS_BEGIN(diff, elem) {
+ meta = lyd_find_meta(elem->meta, NULL, "yang:operation");
+ if (meta) {
+ LY_CHECK_ERR_RET(lyd_diff_str2op(meta->value.canonical) != op, LOGINT(LYD_CTX(diff)), LY_EINT);
+ lyd_free_meta_single(meta);
+ }
+
+ LYD_TREE_DFS_END(diff, elem);
+ }
+
+ return LY_SUCCESS;
+}
+
API LY_ERR
lyd_diff_reverse_all(const struct lyd_node *src_diff, struct lyd_node **diff)
{
LY_ERR ret = LY_SUCCESS;
const struct lys_module *mod;
- struct lyd_node *root, *elem;
+ struct lyd_node *root, *elem, *iter;
enum lyd_diff_op op;
LY_CHECK_ARG_RET(NULL, diff, LY_EINVAL);
@@ -1674,14 +1700,22 @@
/* reverse create to delete */
LY_CHECK_GOTO(ret = lyd_diff_change_op(elem, LYD_DIFF_OP_DELETE), cleanup);
- /* the whole subtree was reversed, there can be no other operation there */
+ /* check all the children for the same operation, nothing else is expected */
+ LY_LIST_FOR(lyd_child(elem), iter) {
+ lyd_diff_reverse_remove_op_r(iter, LYD_DIFF_OP_CREATE);
+ }
+
LYD_TREE_DFS_continue = 1;
break;
case LYD_DIFF_OP_DELETE:
/* reverse delete to create */
LY_CHECK_GOTO(ret = lyd_diff_change_op(elem, LYD_DIFF_OP_CREATE), cleanup);
- /* the whole subtree was reversed, there can be no other operation there */
+ /* check all the children for the same operation, nothing else is expected */
+ LY_LIST_FOR(lyd_child(elem), iter) {
+ lyd_diff_reverse_remove_op_r(iter, LYD_DIFF_OP_DELETE);
+ }
+
LYD_TREE_DFS_continue = 1;
break;
case LYD_DIFF_OP_REPLACE: