/usr/include/thunderbird/HeapCopyOfStackArray.h is in thunderbird-dev 1:38.6.0+build1-0ubuntu1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 | /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim: set ts=8 sts=4 et sw=4 tw=80: */
/* 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/. */
#ifndef HEAPCOPYOFSTACKARRAY_H_
#define HEAPCOPYOFSTACKARRAY_H_
#include "mozilla/Attributes.h"
#include "mozilla/Scoped.h"
#include <string.h>
namespace mozilla {
// Takes a stack array and copies it into a heap buffer.
// Useful to retain the convenience of declaring static arrays, while
// avoiding passing stack pointers to the GL (see bug 1005658).
template <typename ElemType>
class HeapCopyOfStackArray
{
public:
template<size_t N>
HeapCopyOfStackArray(ElemType (&array)[N])
: mArrayLength(N)
, mArrayData(new ElemType[N])
{
memcpy(mArrayData, &array[0], N * sizeof(ElemType));
}
ElemType* Data() const { return mArrayData; }
size_t ArrayLength() const { return mArrayLength; }
size_t ByteLength() const { return mArrayLength * sizeof(ElemType); }
private:
HeapCopyOfStackArray() = delete;
HeapCopyOfStackArray(const HeapCopyOfStackArray&) = delete;
const size_t mArrayLength;
ScopedDeletePtr<ElemType> const mArrayData;
};
}
#endif // HEAPCOPYOFSTACKARRAY_H_
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