Optimizations

- Increase warning level
- Use proper casting
- Fix some more warnings.

src/Steam/Interfaces/SteamUser.cpp

@@ -32,7 +32,7 @@ namespace Steam
 
 				CryptProtectData(Data, NULL, NULL, NULL, NULL, CRYPTPROTECT_LOCAL_MACHINE, &Data[1]);
 
-				subId = ::Utils::OneAtATime((char*)Data[1].pbData, 52);
+				subId = ::Utils::OneAtATime(reinterpret_cast<char*>(Data[1].pbData), 52);
 
 				if (!subId)
 				{

src/Steam/Interfaces/SteamUtils.cpp

@@ -57,7 +57,11 @@ namespace Steam
 		if (Steam::Overlay)
 		{
 			FARPROC setPosition = GetProcAddress(Steam::Overlay, "SetNotificationPosition");
-			::Utils::Hook::Call<void(int)>(setPosition)(eNotificationPosition);
+
+			if (setPosition)
+			{
+				::Utils::Hook::Call<void(int)>(setPosition)(eNotificationPosition);
+			}
 		}
 	}
 

src/Steam/Steam.cpp

@@ -81,7 +81,7 @@ namespace Steam
 				if (RegOpenKeyExA(HKEY_LOCAL_MACHINE, "Software\\Valve\\Steam", 0, KEY_QUERY_VALUE, &hRegKey) == ERROR_SUCCESS)
 				{
 					DWORD dwLength = sizeof(steamPath);
-					RegQueryValueExA(hRegKey, "InstallPath", NULL, NULL, (BYTE*)steamPath, &dwLength);
+					RegQueryValueExA(hRegKey, "InstallPath", NULL, NULL, reinterpret_cast<BYTE*>(steamPath), &dwLength);
 					RegCloseKey(hRegKey);
 
 					SetDllDirectory(steamPath);