use PATH_MAX

engine/shared/library/sharedFoundation/src/linux/Os.cpp

@@ -349,8 +349,10 @@ bool Os::getAbsolutePath(const char *relativePath, char *absolutePath, int absol
 {
 	// realpath sucks and could cause a buffer overrun.  however, it's better than writing it ourselves for now.
 	char *result = realpath(relativePath, absolutePath);
-	if (!result)
+	if (!result){
+		free(result);
 		return false;
+	}
 
 	FATAL(istrlen(absolutePath)+1 > absolutePathBufferSize, ("buffer overrun"));
 	return true;

engine/shared/library/sharedFoundation/src/linux/Os.h

@@ -27,7 +27,11 @@ public:
 
 	enum
 	{
+#ifdef PATH_MAX
+		MAX_PATH_LENGTH = PATH_MAX+1
+#else
 		MAX_PATH_LENGTH = 512
+#endif
 	};
 
 	typedef void (*QueueCharacterHookFunction)(int keyboard, int character);