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| author | Jackson Tian <puling.tyq@alibaba-inc.com> | 2015-04-16 23:31:34 +0800 |
|---|---|---|
| committer | Jeremiah Senkpiel <fishrock123@rocketmail.com> | 2015-04-16 18:26:48 -0400 |
| commit | 431673ebd1aaa30424921a7ef2fcb18c81b146eb (patch) | |
| tree | bfba4b1afe1757fae20b3435483264958f1029b9 /lib | |
| parent | 62f5f4cec942864d1cd21ef31bf650ddca874093 (diff) | |
| download | node-new-431673ebd1aaa30424921a7ef2fcb18c81b146eb.tar.gz | |
buffer: fast-case for empty string in byteLength
When the string is empty, calling the binding is unnecessary and slow.
PR-URL: https://github.com/iojs/io.js/pull/1441
Reviewed-by: Jeremiah Senkpiel <fishrock123@rocketmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Christian Tellnes <christian@tellnes.no>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/buffer.js | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/buffer.js b/lib/buffer.js index f125806622..8f4e34d289 100644 --- a/lib/buffer.js +++ b/lib/buffer.js @@ -276,6 +276,9 @@ function byteLength(string, encoding) { if (typeof(string) !== 'string') string = String(string); + if (string.length === 0) + return 0; + switch (encoding) { case 'ascii': case 'binary': |