time-to-botec

Benchmark sampling in different programming languages
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_cloneBuffer.js (1056B)

      1 var root = require('./_root');
      2 
      3 /** Detect free variable `exports`. */
      4 var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;
      5 
      6 /** Detect free variable `module`. */
      7 var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;
      8 
      9 /** Detect the popular CommonJS extension `module.exports`. */
     10 var moduleExports = freeModule && freeModule.exports === freeExports;
     11 
     12 /** Built-in value references. */
     13 var Buffer = moduleExports ? root.Buffer : undefined,
     14     allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined;
     15 
     16 /**
     17  * Creates a clone of  `buffer`.
     18  *
     19  * @private
     20  * @param {Buffer} buffer The buffer to clone.
     21  * @param {boolean} [isDeep] Specify a deep clone.
     22  * @returns {Buffer} Returns the cloned buffer.
     23  */
     24 function cloneBuffer(buffer, isDeep) {
     25   if (isDeep) {
     26     return buffer.slice();
     27   }
     28   var length = buffer.length,
     29       result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);
     30 
     31   buffer.copy(result);
     32   return result;
     33 }
     34 
     35 module.exports = cloneBuffer;