--- authentication_api.php.old	2004-08-11 19:04:19.000000000 +0200
+++ authentication_api.php	2004-08-11 19:05:17.000000000 +0200
@@ -294,14 +294,14 @@
 	function auth_generate_unique_cookie_string() {
 		do {
 			$t_cookie_string = auth_generate_cookie_string();
-		} while ( !auth_is_cookie_string_unique( $t_cookie_string ) );
+		} while ( auth_cookie_string_count( $t_cookie_string ) );
 
 		return $t_cookie_string;
 	}
 
 	# --------------------
 	# Return true if the cookie login identifier is unique, false otherwise
-	function auth_is_cookie_string_unique( $p_cookie_string ) {
+	function auth_cookie_string_count( $p_cookie_string ) {
 		$t_user_table = config_get( 'mantis_user_table' );
 
 		$c_cookie_string = db_prepare_string( $p_cookie_string );
@@ -312,11 +312,7 @@
 		$result = db_query( $query );
 		$t_count = db_result( $result );
 
-		if ( $t_count > 0 ) {
-			return false;
-		} else {
-			return true;
-		}
+		return $t_count;
 	}
 
 	# --------------------
@@ -330,7 +326,7 @@
 		$t_cookie = gpc_get_cookie( $t_cookie_name, '' );
 
 		# if cookie not found, and anonymous login enabled, use cookie of anonymous account.
-		if ( is_blank( $t_cookie ) ) {
+		if ( !auth_cookie_string_count( $t_cookie ) ) {
 			if ( $g_script_login_cookie !== null ) {
 				return $g_script_login_cookie;
 			} else {
@@ -343,9 +339,11 @@
 						$row		= db_fetch_array( $result );
 						$t_cookie	= $row['cookie_string'];
 					}
-				}
+				} else {
+                                        return '';
+                                }
 			}
-		}
+                }
 
 		return $t_cookie;
 	}