From bc849eafd6a4eded3e48dec88a7fb939f1814ae8 Mon Sep 17 00:00:00 2001
From: orignal <i2porignal@yandex.ru>
Date: Sat, 7 Nov 2026 14:50:00 -0500
Subject: [PATCH] use std::filesystem::path for file path

---
 libi2pd/RouterInfo.cpp | 12 ++++++------
 libi2pd/RouterInfo.h   | 13 +++++++------
 2 files changed, 13 insertions(+), 12 deletions(-)

diff --git a/libi2pd/RouterInfo.cpp b/libi2pd/RouterInfo.cpp
index b61b069d..9e899657 100644
--- a/libi2pd/RouterInfo.cpp
+++ b/libi2pd/RouterInfo.cpp
@@ -44,7 +44,7 @@ namespace data
 		m_Addresses = AddressesPtr(new Addresses ()); // create empty list
 	}
 
-	RouterInfo::RouterInfo (const std::string& fullPath):
+	RouterInfo::RouterInfo (const std::filesystem::path& fullPath):
 		m_FamilyID (0), m_IsUpdated (false), m_IsUnreachable (false), m_IsFloodfill (false),
 		m_IsBufferScheduledToDelete (false), m_SupportedTransports (0),
 		m_ReachableTransports (0), m_PublishedTransports (0), m_Caps (0), m_Version (0),
@@ -126,7 +126,7 @@ namespace data
 		m_Timestamp = i2p::util::GetMillisecondsSinceEpoch ();
 	}
 
-	bool RouterInfo::LoadFile (const std::string& fullPath)
+	bool RouterInfo::LoadFile (const std::filesystem::path& fullPath)
 	{
 		std::ifstream s(fullPath, std::ifstream::binary);
 		if (s.is_open ())
@@ -152,7 +152,7 @@ namespace data
 		return true;
 	}
 
-	void RouterInfo::ReadFromFile (const std::string& fullPath)
+	void RouterInfo::ReadFromFile (const std::filesystem::path& fullPath)
 	{
 		if (LoadFile (fullPath))
 			ReadFromBuffer (false);
@@ -606,7 +606,7 @@ namespace data
 		return bufbe64toh (buf + size) > m_Timestamp;
 	}
 
-	const uint8_t * RouterInfo::LoadBuffer (const std::string& fullPath)
+	const uint8_t * RouterInfo::LoadBuffer (const std::filesystem::path& fullPath)
 	{
 		if (!m_Buffer)
 		{
@@ -618,7 +618,7 @@ namespace data
 		return m_Buffer->data ();
 	}
 
-	bool RouterInfo::SaveToFile (const std::string& fullPath, std::shared_ptr<Buffer> buf)
+	bool RouterInfo::SaveToFile (const std::filesystem::path& fullPath, std::shared_ptr<Buffer> buf)
 	{
 		if (!buf) return false;
 		std::ofstream f (fullPath, std::ofstream::binary | std::ofstream::out);
@@ -631,7 +631,7 @@ namespace data
 		return true;
 	}
 
-	bool RouterInfo::SaveToFile (const std::string& fullPath)
+	bool RouterInfo::SaveToFile (const std::filesystem::path& fullPath)
 	{
 		if (m_IsUnreachable) return false; // don't save bad router
 		if (!m_Buffer)
diff --git a/libi2pd/RouterInfo.h b/libi2pd/RouterInfo.h
index c67c0d3e..a32ccc73 100644
--- a/libi2pd/RouterInfo.h
+++ b/libi2pd/RouterInfo.h
@@ -18,6 +18,7 @@
 #include <array>
 #include <iostream>
 #include <memory>
+#include <filesystem>
 #include <utility> // for C++20 with boost < 1.81
 #include <boost/asio.hpp>
 #ifndef __cpp_lib_atomic_shared_ptr
@@ -219,7 +220,7 @@ namespace data
 #else
 			typedef boost::shared_ptr<Addresses> AddressesPtr;
 #endif
-			RouterInfo (const std::string& fullPath);
+			RouterInfo (const std::filesystem::path& fullPath);
 			RouterInfo (const RouterInfo& ) = delete;
 			RouterInfo& operator=(const RouterInfo& ) = delete;
 			RouterInfo (std::shared_ptr<Buffer>&& buf, size_t len);
@@ -301,7 +302,7 @@ namespace data
 			void ExcludeReachableTransports (CompatibleTransports transports) { m_ReachableTransports &= ~transports; };
 
 			const uint8_t * GetBuffer () const { return m_Buffer ? m_Buffer->data () : nullptr; };
-			const uint8_t * LoadBuffer (const std::string& fullPath); // load if necessary
+			const uint8_t * LoadBuffer (const std::filesystem::path& fullPath); // load if necessary
 			size_t GetBufferLen () const { return m_Buffer ? m_Buffer->GetBufferLen () : 0; };
 			void DeleteBuffer () { m_Buffer = nullptr; m_IsBufferScheduledToDelete = false; };
 			std::shared_ptr<Buffer> GetSharedBuffer () const { return m_Buffer; };
@@ -312,8 +313,8 @@ namespace data
 
 			bool IsUpdated () const { return m_IsUpdated; };
 			void SetUpdated (bool updated) { m_IsUpdated = updated; };
-			bool SaveToFile (const std::string& fullPath);
-			static bool SaveToFile (const std::string& fullPath, std::shared_ptr<Buffer> buf);
+			bool SaveToFile (const std::filesystem::path& fullPath);
+			static bool SaveToFile (const std::filesystem::path& fullPath, std::shared_ptr<Buffer> buf);
 
 			std::shared_ptr<RouterProfile> GetProfile () const;
 			void DropProfile () { m_Profile = nullptr; };
@@ -345,8 +346,8 @@ namespace data
 
 		private:
 
-			bool LoadFile (const std::string& fullPath);
-			void ReadFromFile (const std::string& fullPath);
+			bool LoadFile (const std::filesystem::path& fullPath);
+			void ReadFromFile (const std::filesystem::path& fullPath);
 			bool ReadFromBuffer (const uint8_t * buf, size_t len); // return false if malformed
 			void ReadFromBuffer (bool verifySignature);
 			std::string_view ExtractString (const uint8_t * buf, size_t len) const;