From 4dd46d68b056c25dcbd6caac2cfd578136e64bd7 Mon Sep 17 00:00:00 2001
From: Alexander Schmidt <alex@treefish.org>
Date: Tue, 25 Sep 2012 17:27:32 +0200
Subject: [PATCH 1/1] ...

---
 .gitignore     | 1 +
 submit.php     | 8 ++++++++
 var/.gitignore | 1 +
 3 files changed, 10 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 var/.gitignore

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..b25c15b
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+*~
diff --git a/submit.php b/submit.php
index 69d9ab8..2e88c85 100644
--- a/submit.php
+++ b/submit.php
@@ -41,6 +41,14 @@
     print '</table>';
     break;
   }
+
+  if(trim(end($sessions)[0]) == "") {
+    print '<table bgcolor="red">';
+      print '<tr><th><b><font color="white">no exercises defined</font></b></th><tr>';
+    print '</table>';
+    break;
+  }
+
 ?>
 
   <form method="post" action="<?php echo $_SERVER['PHP_SELF']; ?>">
diff --git a/var/.gitignore b/var/.gitignore
new file mode 100644
index 0000000..2211df6
--- /dev/null
+++ b/var/.gitignore
@@ -0,0 +1 @@
+*.txt
-- 
2.39.5