From 229a6bc788fe4601fbe00288fcccdedb9396340f Mon Sep 17 00:00:00 2001
From: Rosalie Wanders <rosalie@mailbox.org>
Date: Thu, 10 Sep 2020 16:59:35 +0200
Subject: [PATCH] Correctly implement FindPluginPath for Linux

---
 src/mupenplus/CommonAPIImpl_mupenplus.cpp | 27 +++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/src/mupenplus/CommonAPIImpl_mupenplus.cpp b/src/mupenplus/CommonAPIImpl_mupenplus.cpp
index bc3c06d4..6bab61f6 100644
--- a/src/mupenplus/CommonAPIImpl_mupenplus.cpp
+++ b/src/mupenplus/CommonAPIImpl_mupenplus.cpp
@@ -3,6 +3,7 @@
 #include <string>
 #include <sstream>
 #include <iostream>
+#include <fstream>
 #include <Platform.h>
 #include "../PluginAPI.h"
 #include "../RSP.h"
@@ -71,6 +72,32 @@ void PluginAPI::FindPluginPath(wchar_t * _strPath)
 	GetModuleFileNameW(nullptr, _strPath, PLUGIN_PATH_SIZE);
 	_cutLastPathSeparator(_strPath);
 #elif defined(OS_LINUX)
+	std::ifstream maps;
+	std::string line;
+	std::size_t loc;
+	maps.open("/proc/self/maps");
+
+	if (maps.is_open())
+	{
+		while (getline(maps, line))
+		{
+			loc = line.find('/');
+			if (loc == std::string::npos)
+				continue;
+
+			line = line.substr(loc);
+
+			if (line.find("GLideN64") != std::string::npos)
+			{
+				_getWSPath(line.c_str(), _strPath);
+				maps.close();
+				return;
+			}
+		}
+
+		maps.close();
+	}
+
 	char path[512];
 	int res = readlink("/proc/self/exe", path, 510);
 	if (res != -1) {