[Tarantool-patches] [PATCH 2.X v3 2/3] module api: export box_key_def_dup

[Timur Safin <tsafin@tarantool.org>]

Exporting `box_key_def_dup` as accessor to the internal `key_def_dup`

Part of #5384
---
 src/box/key_def.c |  6 ++++++
 src/box/key_def.h | 10 ++++++++++
 src/exports.h     |  1 +
 3 files changed, 17 insertions(+)

diff --git a/src/box/key_def.c b/src/box/key_def.c
index af4e8f4cd..322a62046 100644
--- a/src/box/key_def.c
+++ b/src/box/key_def.c
@@ -507,6 +507,12 @@ box_key_def_new_v2(box_key_part_def_t *parts, uint32_t part_count)
 	return key_def;
 }
 
+box_key_def_t *
+box_key_def_dup(const box_key_def_t *key_def)
+{
+	return key_def_dup(key_def);
+}
+
 void
 box_key_def_delete(box_key_def_t *key_def)
 {
diff --git a/src/box/key_def.h b/src/box/key_def.h
index 9222c9240..dccad78db 100644
--- a/src/box/key_def.h
+++ b/src/box/key_def.h
@@ -437,6 +437,16 @@ box_key_part_def_create(box_key_part_def_t *part);
 API_EXPORT box_key_def_t *
 box_key_def_new_v2(box_key_part_def_t *parts, uint32_t part_count);
 
+/**
+ * Duplicate key_def.
+ * @param key_def Original key_def.
+ *
+ * @retval not NULL Duplicate of src.
+ * @retval     NULL Memory error.
+ */
+API_EXPORT box_key_def_t *
+box_key_def_dup(const box_key_def_t *key_def);
+
 /**
  * Delete key definition
  *
diff --git a/src/exports.h b/src/exports.h
index 051818ef7..ff0660e24 100644
--- a/src/exports.h
+++ b/src/exports.h
@@ -31,6 +31,7 @@ EXPORT(box_iterator_free)
 EXPORT(box_iterator_next)
 EXPORT(box_key_def_delete)
 EXPORT(box_key_def_dump_parts)
+EXPORT(box_key_def_dup)
 EXPORT(box_key_def_extract_key)
 EXPORT(box_key_def_merge)
 EXPORT(box_key_def_new)
-- 
2.20.1