call "path.getDefaultSeparator" allowing it to be overridden.

src/base/path.lua

@@ -267,3 +267,14 @@
 		return p:match("^(.*)"..ext.."$")..newext
 	end
 
+--
+-- Get the default seperator for path.translate
+--
+
+	function path.getDefaultSeparator()
+		if os.istarget('windows') then
+			return '\\'
+		else
+			return '/'
+		end
+	end

src/host/path_translate.c

@@ -28,25 +28,15 @@ static void translate(char* result, const char* value, const char sep)
 
 int path_translate(lua_State* L)
 {
-	const char* os;
 	const char* sep;
 	char buffer[0x4000];
 
 	if (lua_gettop(L) == 1) {
-		// Get target OS
-		lua_getglobal(L, "os");
-		lua_getfield(L, -1, "target");
+		lua_getglobal(L, "path");
+		lua_getfield(L, -1, "getDefaultSeparator");
 		lua_call(L, 0, 1);
-		os = luaL_checkstring(L, -1);
+		sep = luaL_checkstring(L, -1);
 		lua_pop(L, 2);
-
-		// Use target OS separator
-		if (strcmp(os, "windows") == 0) {
-			sep = "\\";
-		}
-		else {
-			sep = "/";
-		}
 	}
 	else {
 		sep = luaL_checkstring(L, 2);