fs: reduced duplicate code in fs.write()

PR-URL: #2947 Reviewed-By: Sakthipriyan Vairamani <[email protected]> Reviewed-By: Trevor Norris <[email protected]>

Author: ronkorving

lib/fs.js

@@ -614,25 +614,21 @@ fs.readSync = function(fd, buffer, offset, length, position){
 // OR
 // fs.write(fd, string[, position[, encoding]], callback);
 fs.write=function(fd,buffer,offset,length,position,callback){
-functionstrWrapper(err,written){
+functionwrapper(err,written){
 // Retain a reference to buffer so that it can't be GC'ed too soon.
 callback(err,written||0,buffer);
 }
 
-functionbufWrapper(err,written){
-// retain reference to string in case it's external
-callback(err,written||0,buffer);
-}
-
 varreq=newFSReqWrap();
+req.oncomplete=wrapper;
+
 if(bufferinstanceofBuffer){
 // if no position is passed then assume null
 if(typeofposition==='function'){
 callback=position;
 position=null;
 }
 callback=maybeCallback(callback);
-req.oncomplete=strWrapper;
 returnbinding.writeBuffer(fd,buffer,offset,length,position,req);
 }
 
@@ -648,7 +644,6 @@ fs.write = function(fd, buffer, offset, length, position, callback){
 length='utf8';
 }
 callback=maybeCallback(position);
-req.oncomplete=bufWrapper;
 returnbinding.writeString(fd,buffer,offset,length,req);
 };