From 9dbca4f26d8c44eb205510e8ffa94cc4f779178f Mon Sep 17 00:00:00 2001
From: Sour <mesenemu@gmail.com>
Date: Sun, 17 May 2020 17:27:49 -0400
Subject: [PATCH] Libretro: Fixed save ram not being saved/loaded by frontend

---
 Core/BatteryManager.cpp | 7 +++++++
 Libretro/libretro.cpp   | 2 +-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/Core/BatteryManager.cpp b/Core/BatteryManager.cpp
index b5837d6..23b0172 100644
--- a/Core/BatteryManager.cpp
+++ b/Core/BatteryManager.cpp
@@ -25,6 +25,13 @@ void BatteryManager::SetBatteryRecorder(shared_ptr<IBatteryRecorder> recorder)
 
 void BatteryManager::SaveBattery(string extension, uint8_t* data, uint32_t length)
 {
+#ifdef LIBRETRO
+	if(extension == ".srm") {
+		//Disable .srm files for libretro, let the frontend handle save ram
+		return;
+	}
+#endif
+
 	ofstream out(GetBasePath() + extension, ios::binary);
 	if(out) {
 		out.write((char*)data, length);
diff --git a/Libretro/libretro.cpp b/Libretro/libretro.cpp
index cb20a85..e6fa853 100644
--- a/Libretro/libretro.cpp
+++ b/Libretro/libretro.cpp
@@ -677,7 +677,7 @@ extern "C" {
 	RETRO_API size_t retro_get_memory_size(unsigned id)
 	{
 		switch(id) {
-			case RETRO_MEMORY_SAVE_RAM: _console->GetCartridge()->DebugGetSaveRamSize(); break;
+			case RETRO_MEMORY_SAVE_RAM: return _console->GetCartridge()->DebugGetSaveRamSize(); break;
 			case RETRO_MEMORY_SYSTEM_RAM: return MemoryManager::WorkRamSize;
 		}
 		return 0;