Fix uninitialized string offset

This can happen if you include an unpaired single or double quote, eg: SELECT * FROM table_name WHERE field_name = 'test

diff --git a/adminer/sql.inc.php b/adminer/sql.inc.php
index 7a21235de988c3c057eefafb9b9a1380d7302296..216e36e2893b9a041b7580edabb4929b64f3288b 100644 (file)
--- a/adminer/sql.inc.php
+++ b/adminer/sql.inc.php
@@ -87,7 +87,7 @@ if (!$error && $_POST) {
                                                                $query .= fread($fp, 1e5);
                                                        } else {
                                                                $offset = $match[0][1] + strlen($s);
-                                                               if ($s[0] != "\\") {
+                                                               if (!$s || $s[0] != "\\") {
                                                                        break;
                                                                }
                                                        }