Add file-upload error if lack of upload-dir/perms

private/beam.php

@@ -39,7 +39,7 @@ switch (true) {
 		break;
 
 	default:
-		redirect(make_url("result/beam.php"));
+		redirect(make_url("result/beam.php?error=3"));
 		break;
 }
 

res/library/main.php

@@ -5,8 +5,8 @@
 //	Return the absolute path to the project's root.
 function get_project_root()
 {
-	return preg_replace("%" . $GLOBALS["root_name"] . ".*" . "%",
-				$GLOBALS["root_name"] . "/",
+	return preg_replace("%" . $GLOBALS["root"] . ".*" . "%",
+				$GLOBALS["root"] . "/",
 				getcwd());
 }
 

res/templates/coin/death-3.html

@@ -0,0 +1,2 @@
+	<p>Couldn’t save your coin; this is likely a configuration error.</p>
+	<p>Does insert-coin have access to the coin directory?</p>

result/beam.php

@@ -26,6 +26,11 @@ switch (true) {
 				"coin/death-2.html",
 				$file_beam_die_alt, $file_beam_die_img);
 			break;
+	case ($error == 3):
+		 	create_page($item . " on fire",
+				"coin/death-3.html",
+				$file_beam_die_alt, $file_beam_die_img);
+			break;
 	default:
 			create_page($item . " on fire",
 				"coin/death.html",