Quelle nsIRandomGenerator.idl Sprache: unbekannt

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "nsISupports.idl"

%{C++
#include <type_traits>
%}

/**
* Interface used to generate random data.
*
* @threadsafe
*/
[scriptable, uuid(2362d97a-747a-4576-8863-697667309209)]
interface nsIRandomGenerator : nsISupports {
  /**
   * Generates the specified amount of random bytes.
   *
   * @param aLength
   *        The length of the data to generate.
   * @param aBuffer
   *        A buffer that contains random bytes of size aLength.
   */
  void generateRandomBytes(in unsigned long aLength,
                           [retval, array, size_is(aLength)] out octet aBuffer);

  /**
   * Fills aBuffer with random bytes.
   *
   * @param aBuffer
   *        A buffer to fill with random bytes.
   * @param aLength
   *        Length of aBuffer.
   */
  void generateRandomBytesInto([array, size_is(aLength)] in octet aBuffer,
                               in unsigned long aLength);

%{C++
  template<typename T>
  std::enable_if_t<!std::is_pointer_v<T>, nsresult> GenerateRandomBytesInto(T& aResult) {
    return GenerateRandomBytesInto(reinterpret_cast<uint8_t*>(&aResult), sizeof(T));
  }
%}
};

Quelle nsIRandomGenerator.idl Sprache: unbekannt

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