C++ (Cpp) BitString::setString示例

void CaptureData::AddDataElement( TargetHandle_t i_trgt, int i_scomId,
                                  const BitString * i_bs,
                                  Place i_place, RegType i_type )
{
    // Initial values of the bit string buffer if i_bs has a zero value.
    uint8_t * buf = nullptr;
    size_t sz_buf = 0;

    // Add buffer only if the value is non-zero.
    if ( !i_bs->isZero() )
    {
        // Get the size of i_bs and ensure byte alignment.
        sz_buf = (i_bs->getBitLen() + 8-1) / 8;

        // Since we are using a BitString below, which does everything on a
        // CPU_WORD boundary, we must make sure the buffer is CPU_WORD aligned.
        const size_t sz_word = sizeof(CPU_WORD);
        sz_buf = ((sz_buf + sz_word-1) / sz_word) * sz_word;

        // Allocate memory for the buffer.
        buf = new uint8_t[sz_buf];
        memset( buf, 0x00, sz_buf );

        // Use a BitString to copy i_bs to the buffer.
        BitString bs ( i_bs->getBitLen(), (CPU_WORD *)buf );
        bs.setString( *i_bs );

        // Create the new data element.
        Data element( i_trgt, i_scomId, sz_buf, buf );
        element.registerType = i_type;

        // Add the new element to the data.
        if ( FRONT == i_place )
            data.insert( data.begin(), element );
        else
            data.push_back( element );
    }
}