From 01906ce912e945c967316f829c1356f8ff38745f Mon Sep 17 00:00:00 2001
From: Antoine Poinsot <darosior@protonmail.com>
Date: Thu, 16 Jan 2025 14:43:06 -0500
Subject: [PATCH] pcp: make the ToString method const

---
 src/common/pcp.cpp | 2 +-
 src/common/pcp.h   | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/pcp.cpp b/src/common/pcp.cpp
index 111a8e69d40..1ddae1faa0e 100644
--- a/src/common/pcp.cpp
+++ b/src/common/pcp.cpp
@@ -512,7 +512,7 @@ std::variant<MappingResult, MappingError> PCPRequestPortMap(const PCPMappingNonc
     return MappingResult(PCP_VERSION, CService(internal, port), CService(external_addr, external_port), lifetime_ret);
 }
 
-std::string MappingResult::ToString()
+std::string MappingResult::ToString() const
 {
     Assume(version == NATPMP_VERSION || version == PCP_VERSION);
     return strprintf("%s:%s -> %s (for %ds)",
diff --git a/src/common/pcp.h b/src/common/pcp.h
index ce2273e1405..44f9285c276 100644
--- a/src/common/pcp.h
+++ b/src/common/pcp.h
@@ -40,7 +40,7 @@ struct MappingResult {
     uint32_t lifetime;
 
     //! Format mapping as string for logging.
-    std::string ToString();
+    std::string ToString() const;
 };
 
 //! Try to open a port using RFC 6886 NAT-PMP. IPv4 only.