dom/ipc/JSValidatorUtils.cpp

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #include "mozilla/dom/JSValidatorUtils.h"
   8 #include "mozilla/ipc/ProtocolUtils.h"
   9 #include "mozilla/ipc/Shmem.h"
  10 #include "nsStringFwd.h"
  11
  12 using namespace mozilla::ipc;
  13
  14 namespace mozilla::dom {
  15 /* static */
  16 nsresult JSValidatorUtils::CopyCStringToShmem(IProtocol* aActor,
  17                                               const nsCString& aCString,
  18                                               Shmem& aMem) {
  19   if (!aActor->AllocShmem(aCString.Length(), &aMem)) {
  20     return NS_ERROR_FAILURE;
  21   }
  22   memcpy(aMem.get<char>(), aCString.BeginReading(), aCString.Length());
  23   return NS_OK;
  24 }
  25 }  // namespace mozilla::dom