Add Qt libs and headers

paho-mqtt3as-proxy/Qt/include/QtCore/qarraydata.h

@@ -0,0 +1,177 @@
+// Copyright (C) 2020 The Qt Company Ltd.
+// Copyright (C) 2019 Intel Corporation.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+
+#ifndef QARRAYDATA_H
+#define QARRAYDATA_H
+
+#include <QtCore/qpair.h>
+#include <QtCore/qatomic.h>
+#include <string.h>
+
+QT_BEGIN_NAMESPACE
+
+template <class T> struct QTypedArrayData;
+
+struct QArrayData
+{
+    enum AllocationOption {
+        Grow,
+        KeepSize
+    };
+
+    enum GrowthPosition {
+        GrowsAtEnd,
+        GrowsAtBeginning
+    };
+
+   enum ArrayOption {
+        ArrayOptionDefault = 0,
+        CapacityReserved     = 0x1  //!< the capacity was reserved by the user, try to keep it
+    };
+    Q_DECLARE_FLAGS(ArrayOptions, ArrayOption)
+
+    QBasicAtomicInt ref_;
+    ArrayOptions flags;
+    qsizetype alloc;
+
+    qsizetype allocatedCapacity() noexcept
+    {
+        return alloc;
+    }
+
+    qsizetype constAllocatedCapacity() const noexcept
+    {
+        return alloc;
+    }
+
+    /// Returns true if sharing took place
+    bool ref() noexcept
+    {
+        ref_.ref();
+        return true;
+    }
+
+    /// Returns false if deallocation is necessary
+    bool deref() noexcept
+    {
+        return ref_.deref();
+    }
+
+    bool isShared() const noexcept
+    {
+        return ref_.loadRelaxed() != 1;
+    }
+
+    // Returns true if a detach is necessary before modifying the data
+    // This method is intentionally not const: if you want to know whether
+    // detaching is necessary, you should be in a non-const function already
+    bool needsDetach() const noexcept
+    {
+        return ref_.loadRelaxed() > 1;
+    }
+
+    qsizetype detachCapacity(qsizetype newSize) const noexcept
+    {
+        if (flags & CapacityReserved && newSize < constAllocatedCapacity())
+            return constAllocatedCapacity();
+        return newSize;
+    }
+
+    [[nodiscard]]
+#if defined(Q_CC_GNU)
+    __attribute__((__malloc__))
+#endif
+    static Q_CORE_EXPORT void *allocate(QArrayData **pdata, qsizetype objectSize, qsizetype alignment,
+            qsizetype capacity, AllocationOption option = QArrayData::KeepSize) noexcept;
+    [[nodiscard]] static Q_CORE_EXPORT QPair<QArrayData *, void *> reallocateUnaligned(QArrayData *data, void *dataPointer,
+            qsizetype objectSize, qsizetype newCapacity, AllocationOption option) noexcept;
+    static Q_CORE_EXPORT void deallocate(QArrayData *data, qsizetype objectSize,
+            qsizetype alignment) noexcept;
+};
+
+Q_DECLARE_OPERATORS_FOR_FLAGS(QArrayData::ArrayOptions)
+
+template <class T>
+struct QTypedArrayData
+    : QArrayData
+{
+    struct AlignmentDummy { QArrayData header; T data; };
+
+    [[nodiscard]] static QPair<QTypedArrayData *, T *> allocate(qsizetype capacity, AllocationOption option = QArrayData::KeepSize)
+    {
+        static_assert(sizeof(QTypedArrayData) == sizeof(QArrayData));
+        QArrayData *d;
+        void *result = QArrayData::allocate(&d, sizeof(T), alignof(AlignmentDummy), capacity, option);
+#if __has_builtin(__builtin_assume_aligned)
+        result = __builtin_assume_aligned(result, Q_ALIGNOF(AlignmentDummy));
+#endif
+        return qMakePair(static_cast<QTypedArrayData *>(d), static_cast<T *>(result));
+    }
+
+    static QPair<QTypedArrayData *, T *>
+    reallocateUnaligned(QTypedArrayData *data, T *dataPointer, qsizetype capacity, AllocationOption option)
+    {
+        static_assert(sizeof(QTypedArrayData) == sizeof(QArrayData));
+        QPair<QArrayData *, void *> pair =
+                QArrayData::reallocateUnaligned(data, dataPointer, sizeof(T), capacity, option);
+        return qMakePair(static_cast<QTypedArrayData *>(pair.first), static_cast<T *>(pair.second));
+    }
+
+    static void deallocate(QArrayData *data) noexcept
+    {
+        static_assert(sizeof(QTypedArrayData) == sizeof(QArrayData));
+        QArrayData::deallocate(data, sizeof(T), alignof(AlignmentDummy));
+    }
+
+    static T *dataStart(QArrayData *data, qsizetype alignment) noexcept
+    {
+        // Alignment is a power of two
+        Q_ASSERT(alignment >= qsizetype(alignof(QArrayData)) && !(alignment & (alignment - 1)));
+        void *start =  reinterpret_cast<void *>(
+            (quintptr(data) + sizeof(QArrayData) + alignment - 1) & ~(alignment - 1));
+        return static_cast<T *>(start);
+    }
+};
+
+namespace QtPrivate {
+struct Q_CORE_EXPORT QContainerImplHelper
+{
+    enum CutResult { Null, Empty, Full, Subset };
+    static constexpr CutResult mid(qsizetype originalLength, qsizetype *_position, qsizetype *_length)
+    {
+        qsizetype &position = *_position;
+        qsizetype &length = *_length;
+        if (position > originalLength) {
+            position = 0;
+            length = 0;
+            return Null;
+        }
+
+        if (position < 0) {
+            if (length < 0 || length + position >= originalLength) {
+                position = 0;
+                length = originalLength;
+                return Full;
+            }
+            if (length + position <= 0) {
+                position = length = 0;
+                return Null;
+            }
+            length += position;
+            position = 0;
+        } else if (size_t(length) > size_t(originalLength - position)) {
+            length = originalLength - position;
+        }
+
+        if (position == 0 && length == originalLength)
+            return Full;
+
+        return length > 0 ? Subset : Empty;
+    }
+};
+}
+
+QT_END_NAMESPACE
+
+#endif // include guard