Line data    Source code

       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 <string.h>
       8             : #include "nsTArray.h"
       9             : #include "nsXPCOM.h"
      10             : #include "nsDebug.h"
      11             : #include "mozilla/CheckedInt.h"
      12             : #include "mozilla/IntegerPrintfMacros.h"
      13             : 
      14             : nsTArrayHeader nsTArrayHeader::sEmptyHdr = { 0, 0, 0 };
      15             : 
      16             : bool
      17       34475 : IsTwiceTheRequiredBytesRepresentableAsUint32(size_t aCapacity, size_t aElemSize)
      18             : {
      19             :   using mozilla::CheckedUint32;
      20       34475 :   return ((CheckedUint32(aCapacity) * aElemSize) * 2).isValid();
      21             : }
      22             : 
      23             : MOZ_NORETURN MOZ_COLD void
      24           0 : InvalidArrayIndex_CRASH(size_t aIndex, size_t aLength)
      25             : {
      26           0 :   MOZ_CRASH_UNSAFE_PRINTF(
      27             :     "ElementAt(aIndex = %" PRIu64 ", aLength = %" PRIu64 ")",
      28             :     static_cast<uint64_t>(aIndex), static_cast<uint64_t>(aLength));
      29             : }