From 08335841bee19460f40e1c6b2104d5dd56540dd2 Mon Sep 17 00:00:00 2001
From: Justin Kinnaird <jkinnaird1991@gmail.com>
Date: Tue, 10 Dec 2019 03:22:53 -0600
Subject: [PATCH] Use platform-specific methods for exePath

---
 es-core/src/utils/FileSystemUtil.cpp | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/es-core/src/utils/FileSystemUtil.cpp b/es-core/src/utils/FileSystemUtil.cpp
index a30d0ca2d..0ca06b59b 100644
--- a/es-core/src/utils/FileSystemUtil.cpp
+++ b/es-core/src/utils/FileSystemUtil.cpp
@@ -194,8 +194,21 @@ namespace Utils
 
 		void setExePath(const std::string& _path)
 		{
-			exePath = getCanonicalPath(_path);
+			constexpr int path_max = 32767;
+#if defined(_WIN32)
+			std::wstring result(path_max, 0);
+			if(GetModuleFileNameW(nullptr, &result[0], path_max) != 0)
+				exePath = convertFromWideString(result);
+#else
+			std::string result(path_max, 0);
+			if(readlink("/proc/self/exe", &result[0], path_max) != -1)
+				exePath = result;
+#endif
+			exePath = getCanonicalPath(exePath);
 
+			// Fallback to argv[0] if everything else fails
+			if (exePath.empty())
+				exePath = getCanonicalPath(_path);
 			if(isRegularFile(exePath))
 				exePath = getParent(exePath);