From: Kefu Chai <tchaikov@gmail.com>
Date: Fri, 2 Dec 2022 09:23:23 +0000 (+0800)
Subject: rgw: specialize fmt::formatter<> for rgw_obj_key
X-Git-Tag: v18.1.0~662^2~5
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=c7e3e95277c69f94574928115f4cb7bf3608a79f;p=ceph.git

rgw: specialize fmt::formatter<> for rgw_obj_key

since fmt v9, fmt::formatter<> is not specialized for the types with
operator<<(ostream&, ...) anymore. so we need to specialize it manually.
in this change, fmt::formatter<rgw_obj_key> is defined so the tree can
compile with fmt v9.

Signed-off-by: Kefu Chai <tchaikov@gmail.com>
---

diff --git a/src/rgw/rgw_obj_types.h b/src/rgw/rgw_obj_types.h
index 781150b8becd..c90d450793c7 100644
--- a/src/rgw/rgw_obj_types.h
+++ b/src/rgw/rgw_obj_types.h
@@ -397,6 +397,13 @@ inline std::ostream& operator<<(std::ostream& out, const rgw_obj_key &o) {
   return out << o.to_str();
 }
 
+template<> struct fmt::formatter<rgw_obj_key> : fmt::formatter<std::string_view> {
+  template <typename FormatContext>
+  auto format(const rgw_obj_key& key, FormatContext& ctx) const {
+    return formatter<std::string_view>::format(key.to_str(), ctx);
+  }
+};
+
 struct rgw_raw_obj {
   rgw_pool pool;
   std::string oid;