OpenRCT2/src/core/Memory.hpp

#pragma once

extern "C"
{
    #include "../common.h"
}

/**
 * Utility methods for memory management. Typically helpers and wrappers around the C standard library.
 */
namespace Memory
{
    template<typename T>
    T * Allocate()
    {
        return (T*)malloc(sizeof(T));
    }

    template<typename T>
    T * Allocate(size_t size)
    {
        return (T*)malloc(size);
    }

    template<typename T>
    T * AllocateArray(size_t count)
    {
        return (T*)malloc(count * sizeof(T));
    }

    template<typename T>
    T * Reallocate(T * ptr, size_t size)
    {
        if (ptr == NULL)
        {
            return (T*)malloc(size);
        }
        else
        {
            return (T*)realloc((void*)ptr, size);
        }
    }

    template<typename T>
    T * ReallocateArray(T * ptr, size_t count)
    {
        if (ptr == NULL)
        {
            return (T*)malloc(count * sizeof(T));
        }
        else
        {
            return (T*)realloc((void*)ptr, count * sizeof(T));
        }
    }

    template<typename T>
    void Free(T * ptr)
    {
        free((void*)ptr);
    }

    template<typename T>
    T * Copy(T * dst, const T * src, size_t size)
    {
        if (size == 0) return (T*)dst;
        return (T*)memcpy((void*)dst, (const void*)src, size);
    }

    template<typename T>
    T * CopyArray(T *dst, const T * src, size_t count)
    {
        if (count == 0) return (T*)dst;
        return (T*)memcpy((void*)dst, (const void*)src, count * sizeof(T));
    }

    template<typename T>
    T * Duplicate(const T * src, size_t size)
    {
        T *result = Allocate<T>(size);
        return Copy(result, src, size);
    }

    template<typename T>
    T * DuplicateArray(const T * src, size_t count)
    {
        T *result = AllocateArray<T>(count);
        return CopyArray(result, src, count);
    }

    template<typename T>
    T * Set(T * dst, uint8 value, size_t size)
    {
        return (T*)memset((void*)dst, (int)value, size);
    }
}