From d39e7a312593c58defa266cd5f1d7e438a30f37c Mon Sep 17 00:00:00 2001
From: John Vilk <jvilk@cs.umass.edu>
Date: Fri, 27 Sep 2013 15:20:58 -0400
Subject: [PATCH] In fs's truncate functions, 'len' is optional (and defaults
 to 0).

---
 node/node.d.ts | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/node/node.d.ts b/node/node.d.ts
index 051293564..62eed025a 100644
--- a/node/node.d.ts
+++ b/node/node.d.ts
@@ -725,10 +725,12 @@ declare module "fs" {
 
     export function rename(oldPath: string, newPath: string, callback?: Function): void;
     export function renameSync(oldPath: string, newPath: string): void;
+    export function truncate(path: string, callback?: Function): void;
     export function truncate(path: string, len: number, callback?: Function): void;
-    export function truncateSync(path: string, len: number): void;
+    export function truncateSync(path: string, len?: number): void;
+    export function ftruncate(fd: string, callback?: Function): void;
     export function ftruncate(fd: string, len: number, callback?: Function): void;
-    export function ftruncateSync(fd: string, len: number): void;
+    export function ftruncateSync(fd: string, len?: number): void;
     export function chown(path: string, uid: number, gid: number, callback?: Function): void;
     export function chownSync(path: string, uid: number, gid: number): void;
     export function fchown(fd: string, uid: number, gid: number, callback?: Function): void;