mirror of https://github.com/jkjoy/sunpeiwen.git
59 lines
1.4 KiB
JavaScript
59 lines
1.4 KiB
JavaScript
/* eslint-disable node/no-deprecated-api */
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'use strict'
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var buffer = require('buffer')
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var Buffer = buffer.Buffer
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var safer = require('./safer.js')
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var Safer = safer.Buffer
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var dangerous = {}
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var key
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for (key in safer) {
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if (!safer.hasOwnProperty(key)) continue
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dangerous[key] = safer[key]
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}
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var Dangereous = dangerous.Buffer = {}
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// Copy Safer API
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for (key in Safer) {
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if (!Safer.hasOwnProperty(key)) continue
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Dangereous[key] = Safer[key]
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}
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// Copy those missing unsafe methods, if they are present
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for (key in Buffer) {
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if (!Buffer.hasOwnProperty(key)) continue
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if (Dangereous.hasOwnProperty(key)) continue
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Dangereous[key] = Buffer[key]
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}
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if (!Dangereous.allocUnsafe) {
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Dangereous.allocUnsafe = function (size) {
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if (typeof size !== 'number') {
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throw new TypeError('The "size" argument must be of type number. Received type ' + typeof size)
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}
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if (size < 0 || size >= 2 * (1 << 30)) {
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throw new RangeError('The value "' + size + '" is invalid for option "size"')
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}
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return Buffer(size)
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}
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}
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if (!Dangereous.allocUnsafeSlow) {
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Dangereous.allocUnsafeSlow = function (size) {
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if (typeof size !== 'number') {
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throw new TypeError('The "size" argument must be of type number. Received type ' + typeof size)
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}
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if (size < 0 || size >= 2 * (1 << 30)) {
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throw new RangeError('The value "' + size + '" is invalid for option "size"')
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}
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return buffer.SlowBuffer(size)
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}
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}
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module.exports = dangerous
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