root / HServer / 00.Server / 00.Program / node_modules / safe-buffer / index.js
이력 | 보기 | 이력해설 | 다운로드 (1.49 KB)
| 1 | 39 | HKM | /* eslint-disable node/no-deprecated-api */
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| 2 | var buffer = require('buffer') |
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| 3 | var Buffer = buffer.Buffer
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| 4 | |||
| 5 | // alternative to using Object.keys for old browsers
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| 6 | function copyProps (src, dst) { |
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| 7 | for (var key in src) { |
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| 8 | dst[key] = src[key] |
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| 9 | } |
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| 10 | } |
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| 11 | if (Buffer.from && Buffer.alloc && Buffer.allocUnsafe && Buffer.allocUnsafeSlow) {
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| 12 | module.exports = buffer |
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| 13 | } else {
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| 14 | // Copy properties from require('buffer')
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| 15 | copyProps(buffer, exports) |
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| 16 | exports.Buffer = SafeBuffer |
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| 17 | } |
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| 18 | |||
| 19 | function SafeBuffer (arg, encodingOrOffset, length) { |
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| 20 | return Buffer(arg, encodingOrOffset, length)
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| 21 | } |
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| 22 | |||
| 23 | // Copy static methods from Buffer
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| 24 | copyProps(Buffer, SafeBuffer) |
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| 25 | |||
| 26 | SafeBuffer.from = function (arg, encodingOrOffset, length) { |
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| 27 | if (typeof arg === 'number') { |
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| 28 | throw new TypeError('Argument must not be a number') |
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| 29 | } |
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| 30 | return Buffer(arg, encodingOrOffset, length)
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| 31 | } |
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| 32 | |||
| 33 | SafeBuffer.alloc = function (size, fill, encoding) { |
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| 34 | if (typeof size !== 'number') { |
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| 35 | throw new TypeError('Argument must be a number') |
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| 36 | } |
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| 37 | var buf = Buffer(size)
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| 38 | if (fill !== undefined) { |
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| 39 | if (typeof encoding === 'string') { |
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| 40 | buf.fill(fill, encoding) |
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| 41 | } else {
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| 42 | buf.fill(fill) |
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| 43 | } |
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| 44 | } else {
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| 45 | buf.fill(0)
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| 46 | } |
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| 47 | return buf
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| 48 | } |
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| 49 | |||
| 50 | SafeBuffer.allocUnsafe = function (size) { |
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| 51 | if (typeof size !== 'number') { |
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| 52 | throw new TypeError('Argument must be a number') |
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| 53 | } |
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| 54 | return Buffer(size)
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| 55 | } |
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| 56 | |||
| 57 | SafeBuffer.allocUnsafeSlow = function (size) { |
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| 58 | if (typeof size !== 'number') { |
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| 59 | throw new TypeError('Argument must be a number') |
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| 60 | } |
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| 61 | return buffer.SlowBuffer(size)
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| 62 | } |