From 6d142a7ff7d1cc7e8a5f42124cb472fef93af4ef Mon Sep 17 00:00:00 2001
From: Anthony Green <agreen@starry.com>
Date: Tue, 9 Jan 2024 14:35:49 -0500
Subject: [PATCH] Expose backup metadata getter in C API

---
 db/c.cc             | 5 +++++
 include/rocksdb/c.h | 3 +++
 2 files changed, 8 insertions(+)

diff --git a/db/c.cc b/db/c.cc
index cd7342dcd257..6636adb9b1bb 100644
--- a/db/c.cc
+++ b/db/c.cc
@@ -706,6 +706,11 @@ uint32_t rocksdb_backup_engine_info_number_files(
   return info->rep[index].number_files;
 }
 
+const char* rocksdb_backup_engine_info_metadata(
+    const rocksdb_backup_engine_info_t* info, int index) {
+  return info->rep[index].app_metadata.c_str();
+}
+
 void rocksdb_backup_engine_info_destroy(
     const rocksdb_backup_engine_info_t* info) {
   delete info;
diff --git a/include/rocksdb/c.h b/include/rocksdb/c.h
index 18c6b6f2af58..e1ab85a9c0e0 100644
--- a/include/rocksdb/c.h
+++ b/include/rocksdb/c.h
@@ -214,6 +214,9 @@ extern ROCKSDB_LIBRARY_API uint64_t rocksdb_backup_engine_info_size(
 extern ROCKSDB_LIBRARY_API uint32_t rocksdb_backup_engine_info_number_files(
     const rocksdb_backup_engine_info_t* info, int index);
 
+extern ROCKSDB_LIBRARY_API const char* rocksdb_backup_engine_info_metadata(
+    const rocksdb_backup_engine_info_t* info, int index);
+
 extern ROCKSDB_LIBRARY_API void rocksdb_backup_engine_info_destroy(
     const rocksdb_backup_engine_info_t* info);