Question about the function,ni_stc_dma_channel_select_bitfield

[nick]

On 2015-05-06 05:10 AM, Ian Abbott wrote:
> On 06/05/15 01:22, nick wrote:
>> Greetings All,
>> I am wondering if in the function,ni_stc_dma_channel_select_bitfield the line:
>> return 1 << channel;
>> is guaranteed to be below the threshold that guarantees us to not overflow on
>> a unsigned 32 integer due to bit wise shifting to the left.
>> Thanks Nick
>>
> 
>     if (channel < 4)
>         return 1 << channel;
> 
> So, yes.
> 
This should be commented in my option as this is not common knowledge
unless you known the hardware specs really well. If I should send in
a patch adding a comment here please let me known.
Thanks,
Nick