Ticket #13978: 13978-fix.patch

options-general.php

@@ -75 +75 @@
 <table class="form-table">
 <tr valign="top">
 <th scope="row"><label for="blogname"><?php _e('Site Title') ?></label></th>
-<td><input name="blogname" type="text" id="blogname" value="<?php form_option('blogname'); ?>" class="regular-text" /></td>
+<td><input name="blogname" type="text" id="blogname" value="<?php form_option('blogname'); ?>" class="regular-text" />
+<div class="updated inline">
+<p><?php if ( isset( $_GET['error'] ) && $_GET['error'] == 'blogname' ) {  _e('You cannot leave the site title blank.'); } ?></p>
+</div>
+</td>
 </tr>
 <tr valign="top">
 <th scope="row"><label for="blogdescription"><?php _e('Tagline') ?></label></th>

options.php

@@ -116 +116 @@
                 $options = $whitelist_options[ $option_page ];
         }
 
-        // Handle custom date/time formats
+        //      From options sent from options-general.php.
         if ( 'general' == $option_page ) {
+                //      Checking to see if the site name is empty.
+                if ( empty( trim( $_POST['blogname'] ) ) ) {
+                        $goback = add_query_arg( 'error', 'blogname',  wp_get_referer() );
+                        wp_redirect( $goback );
+                }
+                
+                // Handle custom date/time formats
                 if ( !empty($_POST['date_format']) && isset($_POST['date_format_custom']) && '\c\u\s\t\o\m' == stripslashes( $_POST['date_format'] ) )
                         $_POST['date_format'] = $_POST['date_format_custom'];
                 if ( !empty($_POST['time_format']) && isset($_POST['time_format_custom']) && '\c\u\s\t\o\m' == stripslashes( $_POST['time_format'] ) )