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33 lines
664 B
JavaScript
33 lines
664 B
JavaScript
var bufferFill = require('buffer-fill')
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var allocUnsafe = require('buffer-alloc-unsafe')
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module.exports = function alloc (size, fill, encoding) {
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if (typeof size !== 'number') {
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throw new TypeError('"size" argument must be a number')
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}
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if (size < 0) {
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throw new RangeError('"size" argument must not be negative')
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}
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if (Buffer.alloc) {
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return Buffer.alloc(size, fill, encoding)
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}
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var buffer = allocUnsafe(size)
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if (size === 0) {
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return buffer
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}
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if (fill === undefined) {
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return bufferFill(buffer, 0)
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}
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if (typeof encoding !== 'string') {
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encoding = undefined
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}
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return bufferFill(buffer, fill, encoding)
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}
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