sanity_check: check whether ICONS_DIR is writable (closes #273)

diff --git a/sanity_check.php b/sanity_check.php
index 363c22661d8fa11d7da72778384e8d651cb6c786..65edbe90599999be0a33e406c0d040546bb43526 100644 (file)
--- a/sanity_check.php
+++ b/sanity_check.php
@@ -100,6 +100,10 @@
                $err_msg = "config: DEFAULT_UPDATE_METHOD should be either 0 or 1.";            
        }
 
+       if (!is_writable(ICONS_DIR)) {
+               $err_msg = "config: your ICONS_DIR (" . ICONS_DIR . ") is not writable.\n";
+       }
+
        if ($err_msg) {
                print "<b>Fatal Error</b>: $err_msg\n";
                exit;