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buffer.copy targetStart defaults to 0

v0.7.4-release
Ryan Dahl 2010-11-29 19:59:01 -08:00
parent 6d7242b485
commit aed0ba3211
2 changed files with 3 additions and 2 deletions
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2
doc/api/buffers.markdown
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@ -113,7 +113,7 @@ buffer object. It does not change when the contents of the buffer are changed.
// 1234 // 1234
// 1234 // 1234
### buffer.copy(targetBuffer, targetStart, sourceStart=0, sourceEnd=buffer.length) ### buffer.copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length)
Does a memcpy() between buffers. Does a memcpy() between buffers.

3
lib/buffer.js
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@ -280,11 +280,12 @@ Buffer.prototype.toString = function (encoding, start, end) {
Buffer.byteLength = SlowBuffer.byteLength; Buffer.byteLength = SlowBuffer.byteLength;
// copy(targetBuffer, targetStart, sourceStart=0, sourceEnd=buffer.length) // copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length)
Buffer.prototype.copy = function copy (target, target_start, start, end) { Buffer.prototype.copy = function copy (target, target_start, start, end) {
var source = this; var source = this;
start || (start = 0); start || (start = 0);
end || (end = this.length); end || (end = this.length);
target_start || (target_start = 0);
if (end < start) throw new Error("sourceEnd < sourceStart"); if (end < start) throw new Error("sourceEnd < sourceStart");