Exemplos de HGSMIHeapBufferAlloc em C++ (Cpp)

Exemplo n.º 1

void *HGSMIHeapAlloc (HGSMIHEAP *pHeap,
                      HGSMISIZE cbData,
                      uint8_t u8Channel,
                      uint16_t u16ChannelInfo)
{
    if (pHeap->u.hPtr == NIL_RTHEAPSIMPLE)
    {
        return NULL;
    }

    size_t cbAlloc = HGSMIBufferRequiredSize (cbData);

    HGSMIBUFFERHEADER *pHeader = (HGSMIBUFFERHEADER *)HGSMIHeapBufferAlloc (pHeap, cbAlloc);
    if (!pHeader)
        return NULL;

    hgsmiBufferInitializeSingle (&pHeap->area, pHeader, cbData, u8Channel, u16ChannelInfo);

    return HGSMIBufferData (pHeader);
}

Exemplo n.º 2

Arquivo: HGSMICommon.cpp Projeto: Klanly/virtualbox-org-svn-vbox-trunk

void *HGSMIHeapAlloc(HGSMIHEAP *pHeap,
                     HGSMISIZE cbData,
                     uint8_t u8Channel,
                     uint16_t u16ChannelInfo)
{
    HGSMISIZE cbAlloc = HGSMIBufferRequiredSize(cbData);
    HGSMIBUFFERHEADER *pHeader = (HGSMIBUFFERHEADER *)HGSMIHeapBufferAlloc(pHeap, cbAlloc);
    if (pHeader)
    {
        HGSMIOFFSET offBuffer = HGSMIBufferInitializeSingle(HGSMIHeapArea(pHeap), pHeader,
                                                            cbAlloc, u8Channel, u16ChannelInfo);
        if (offBuffer == HGSMIOFFSET_VOID)
        {
            HGSMIHeapBufferFree(pHeap, pHeader);
            pHeader = NULL;
        }
    }

    return pHeader? HGSMIBufferDataFromPtr(pHeader): NULL;
}