69 lines
1.5 KiB
JavaScript
69 lines
1.5 KiB
JavaScript
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/* eslint-disable node/no-deprecated-api */
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var buffer = require("./buffer.js");
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var Buffer = buffer.Buffer; // alternative to using Object.keys for old browsers
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function copyProps(src, dst) {
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for (var key in src) {
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dst[key] = src[key];
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}
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}
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if (Buffer.from && Buffer.alloc && Buffer.allocUnsafe && Buffer.allocUnsafeSlow) {
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module.exports = buffer;
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} else {
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// Copy properties from require('buffer')
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copyProps(buffer, exports);
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exports.Buffer = SafeBuffer;
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}
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function SafeBuffer(arg, encodingOrOffset, length) {
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return Buffer(arg, encodingOrOffset, length);
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} // Copy static methods from Buffer
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copyProps(Buffer, SafeBuffer);
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SafeBuffer.from = function (arg, encodingOrOffset, length) {
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if (typeof arg === 'number') {
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throw new TypeError('Argument must not be a number');
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}
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return Buffer(arg, encodingOrOffset, length);
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};
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SafeBuffer.alloc = function (size, fill, encoding) {
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if (typeof size !== 'number') {
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throw new TypeError('Argument must be a number');
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}
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var buf = Buffer(size);
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if (fill !== undefined) {
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if (typeof encoding === 'string') {
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buf.fill(fill, encoding);
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} else {
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buf.fill(fill);
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}
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} else {
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buf.fill(0);
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}
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return buf;
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};
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SafeBuffer.allocUnsafe = function (size) {
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if (typeof size !== 'number') {
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throw new TypeError('Argument must be a number');
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}
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return Buffer(size);
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};
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SafeBuffer.allocUnsafeSlow = function (size) {
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if (typeof size !== 'number') {
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throw new TypeError('Argument must be a number');
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}
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return buffer.SlowBuffer(size);
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};
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