@ -147,7 +147,7 @@ Buffer.concat = function(list, length) {
if ( ! Array . isArray ( list ) )
throw new TypeError ( 'Usage: Buffer.concat(list[, length])' ) ;
if ( typeof length === 'undefined' ) {
if ( length === undefined ) {
length = 0 ;
for ( var i = 0 ; i < list . length ; i ++ )
length += list [ i ] . length ;
@ -162,9 +162,6 @@ Buffer.concat = function(list, length) {
else if ( list . length === 1 )
return list [ 0 ] ;
if ( length < 0 )
throw new RangeError ( 'length is not a positive number' ) ;
var buffer = new Buffer ( length ) ;
var pos = 0 ;
for ( var i = 0 ; i < list . length ; i ++ ) {
@ -187,7 +184,7 @@ Buffer.prototype.toString = function(encoding, start, end) {
encoding = ! ! encoding ? ( encoding + '' ) . toLowerCase ( ) : 'utf8' ;
start = ~ ~ start ;
end = typeof end === 'undefined' ? this . length : ~ ~ end ;
end = ( end === undefined ) ? this . length : ~ ~ end ;
if ( start < 0 ) start = 0 ;
if ( end > this . length ) end = this . length ;
@ -256,10 +253,9 @@ var writeMsg = '.write(string, encoding, offset, length) is deprecated.' +
' Use write(string, offset, length, encoding) instead.' ;
Buffer . prototype . write = function ( string , offset , length , encoding ) {
// allow write(string, encoding)
if ( typeof offset === 'string' && typeof length === 'undefined' ) {
if ( typeof offset === 'string' && length === undefined ) {
encoding = offset ;
offset = 0 ;
length = undefined ;
// allow write(string, offset[, length], encoding)
} else if ( isFinite ( offset ) ) {
@ -290,7 +286,7 @@ Buffer.prototype.write = function(string, offset, length, encoding) {
}
var remaining = this . length - offset ;
if ( typeof length === 'undefined' || length > remaining )
if ( length === undefined || length > remaining )
length = remaining ;
encoding = ! ! encoding ? ( encoding + '' ) . toLowerCase ( ) : 'utf8' ;
@ -350,7 +346,7 @@ Buffer.prototype.toJSON = function() {
Buffer . prototype . slice = function ( start , end ) {
var len = this . length ;
start = ~ ~ start ;
end = typeof end === 'undefined' ? len : ~ ~ end ;
end = ( end === undefined ) ? len : ~ ~ end ;
if ( start < 0 ) {
start += len ;
@ -563,9 +559,9 @@ Buffer.prototype.readInt32BE = function(offset, noAssert) {
function checkInt ( buffer , value , offset , ext , max , min ) {
if ( value > max || value < min )
throw TypeError ( 'value is out of bounds' ) ;
throw new TypeError ( 'value is out of bounds' ) ;
if ( offset < 0 || offset + ext > buffer . length || buffer . length + offset < 0 )
throw RangeError ( 'index out of range' ) ;
throw new RangeError ( 'index out of range' ) ;
}
@ -587,6 +583,7 @@ function writeUInt16(buffer, value, offset, isBigEndian) {
buffer [ offset + 1 ] = ( value & 0xff00 ) >>> 8 ;
buffer [ offset ] = value & 0x00ff ;
}
return offset + 2 ;
}
@ -595,8 +592,7 @@ Buffer.prototype.writeUInt16LE = function(value, offset, noAssert) {
offset = ~ ~ offset ;
if ( ! noAssert )
checkInt ( this , value , offset , 2 , 0xffff , 0 ) ;
writeUInt16 ( this , value , offset , false ) ;
return offset + 2 ;
return writeUInt16 ( this , value , offset , false ) ;
} ;
@ -605,8 +601,7 @@ Buffer.prototype.writeUInt16BE = function(value, offset, noAssert) {
offset = ~ ~ offset ;
if ( ! noAssert )
checkInt ( this , value , offset , 2 , 0xffff , 0 ) ;
writeUInt16 ( this , value , offset , true ) ;
return offset + 2 ;
return writeUInt16 ( this , value , offset , true ) ;
} ;
@ -622,6 +617,7 @@ function writeUInt32(buffer, value, offset, isBigEndian) {
buffer [ offset + 1 ] = ( value >>> 8 ) & 0xff ;
buffer [ offset ] = value & 0xff ;
}
return offset + 4 ;
}
@ -630,8 +626,7 @@ Buffer.prototype.writeUInt32LE = function(value, offset, noAssert) {
offset = ~ ~ offset ;
if ( ! noAssert )
checkInt ( this , value , offset , 4 , 0xffffffff , 0 ) ;
writeUInt32 ( this , value , offset , false ) ;
return offset + 4 ;
return writeUInt32 ( this , value , offset , false ) ;
} ;
@ -640,8 +635,7 @@ Buffer.prototype.writeUInt32BE = function(value, offset, noAssert) {
offset = ~ ~ offset ;
if ( ! noAssert )
checkInt ( this , value , offset , 4 , 0xffffffff , 0 ) ;
writeUInt32 ( this , value , offset , true ) ;
return offset + 4 ;
return writeUInt32 ( this , value , offset , true ) ;
} ;
@ -699,8 +693,7 @@ Buffer.prototype.writeInt16LE = function(value, offset, noAssert) {
if ( ! noAssert )
checkInt ( this , value , offset , 2 , 0x7fff , - 0x8000 ) ;
if ( value < 0 ) value = 0xffff + value + 1 ;
writeUInt16 ( this , value , offset , false ) ;
return offset + 2 ;
return writeUInt16 ( this , value , offset , false ) ;
} ;
@ -710,8 +703,7 @@ Buffer.prototype.writeInt16BE = function(value, offset, noAssert) {
if ( ! noAssert )
checkInt ( this , value , offset , 2 , 0x7fff , - 0x8000 ) ;
if ( value < 0 ) value = 0xffff + value + 1 ;
writeUInt16 ( this , value , offset , true ) ;
return offset + 2 ;
return writeUInt16 ( this , value , offset , true ) ;
} ;
@ -721,8 +713,7 @@ Buffer.prototype.writeInt32LE = function(value, offset, noAssert) {
if ( ! noAssert )
checkInt ( this , value , offset , 4 , 0x7fffffff , - 0x80000000 ) ;
if ( value < 0 ) value = 0xffffffff + value + 1 ;
writeUInt32 ( this , value , offset , false ) ;
return offset + 4 ;
return writeUInt32 ( this , value , offset , false ) ;
} ;
@ -732,6 +723,5 @@ Buffer.prototype.writeInt32BE = function(value, offset, noAssert) {
if ( ! noAssert )
checkInt ( this , value , offset , 4 , 0x7fffffff , - 0x80000000 ) ;
if ( value < 0 ) value = 0xffffffff + value + 1 ;
writeUInt32 ( this , value , offset , true ) ;
return offset + 4 ;
return writeUInt32 ( this , value , offset , true ) ;
} ;