Re: union to get parts of integer

ratheesh k <[email protected]> writes:

> typedef struct {
> char parts[4];
> } node ;
>
> int i=0x12345678
>
> ((node *)&i)->parts[0];
> ((node *)&i)->parts[1];
> ((node *)&i)->parts[2];
> ((node *)&i)->parts[3];
>
> Is there any mechanism to split into bytes using the power of union ?

The above should work (assuming of course that sizeof(int) == 4).  The
following should work as well:

((char *)&i)[0].

However, are you sure that you need this?  Don't you need "(i & 255)",
"((i >> 8) & 255)", etc. instead?

-- 
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 .o. | Liege of Serenly Enlightened Majesty of      o' \,=./ `o
 ..o | Computer Science,  Michal "mina86" Nazarewicz   (o o)
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