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allocUnsafe for faster buffer cloning

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It's safe to do this because we immediately overwrite the entire buffer. No need to zero out first.
This commit is contained in:
Luke Childs 2020-04-28 19:58:05 +07:00
parent 0c52803ba1
commit d02483473b
2 changed files with 2 additions and 2 deletions
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2
src/bufferutils.js
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@ -42,7 +42,7 @@ function reverseBuffer(buffer) {
} }
exports.reverseBuffer = reverseBuffer; exports.reverseBuffer = reverseBuffer;
function cloneBuffer(buffer) { function cloneBuffer(buffer) {
const clone = Buffer.alloc(buffer.length); const clone = Buffer.allocUnsafe(buffer.length);
buffer.copy(clone); buffer.copy(clone);
return clone; return clone;
} }

2
ts_src/bufferutils.ts
View file

@ -49,7 +49,7 @@ export function reverseBuffer(buffer: Buffer): Buffer {
} }
export function cloneBuffer(buffer: Buffer): Buffer { export function cloneBuffer(buffer: Buffer): Buffer {
const clone = Buffer.alloc(buffer.length); const clone = Buffer.allocUnsafe(buffer.length);
buffer.copy(clone); buffer.copy(clone);
return clone; return clone;
} }