iOS/Pods/OAuthSwift/Sources/Int+OAuthSwift.swift

   1 //
   2 //  Int+OAuthSwift.swift
   3 //  OAuthSwift
   4 //
   5 //  Created by Dongri Jin on 1/28/15.
   6 //  Copyright (c) 2015 Dongri Jin. All rights reserved.
   7 //
   8
   9 import Foundation
  10
  11 extension Int {
  12     public func bytes(_ totalBytes: Int = MemoryLayout<Int>.size) -> [UInt8] {
  13         return arrayOfBytes(self, length: totalBytes)
  14     }
  15 }
  16
  17 private func arrayOfBytes<T>(_ value: T, length: Int? = nil) -> [UInt8] {
  18     let totalBytes = length ?? MemoryLayout<T>.size
  19
  20     let valuePointer = UnsafeMutablePointer<T>.allocate(capacity: 1)
  21     valuePointer.pointee = value
  22
  23     let bytesPointer = UnsafeMutablePointer<UInt8>(OpaquePointer(valuePointer))
  24     var bytes = [UInt8](repeating: 0, count: totalBytes)
  25     for j in 0..<min(MemoryLayout<T>.size, totalBytes) {
  26         bytes[totalBytes - 1 - j] = (bytesPointer + j).pointee
  27     }
  28
  29     valuePointer.deinitialize(count: 1)
  30     valuePointer.deallocate()
  31
  32     return bytes
  33 }