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string.length !== Buffer.byteLength(string)

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Tim-Smart 2010-09-06 01:12:35 +12:00 committed by Ryan Dahl
parent 1cf538a60a
commit 6ea99721f1
1 changed files with 7 additions and 3 deletions
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10
lib/buffer.js
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@ -111,6 +111,9 @@ function Buffer (subject, encoding, legacy, slice_legacy) {
break; break;
case 'string': case 'string':
length = Buffer.byteLength(subject);
break;
case 'object': // Assume object is an array case 'object': // Assume object is an array
length = subject.length; length = subject.length;
break; break;
@ -186,7 +189,7 @@ Buffer.prototype.set = function set (i, v) {
}; };
// write(string, offset = 0, encoding = 'uft8') // write(string, offset = 0, encoding = 'utf8')
Buffer.prototype.write = function write (string, offset, encoding) { Buffer.prototype.write = function write (string, offset, encoding) {
if (!isFinite(offset)) { if (!isFinite(offset)) {
var swap = encoding; var swap = encoding;
@ -195,11 +198,12 @@ Buffer.prototype.write = function write (string, offset, encoding) {
} }
offset || (offset = 0); offset || (offset = 0);
encoding || (encoding = 'uft8'); encoding || (encoding = 'utf8');
// Make sure we are not going to overflow // Make sure we are not going to overflow
var max_length = this.length - offset; var max_length = this.length - offset;
if (string.length > max_length) { if (Buffer.byteLength(string) > max_length) {
// FIXME: Char length !== byte length
string = string.slice(0, max_length); string = string.slice(0, max_length);
} }