[c-prog] Re: Bit Operator

[John Matthews]

--- In c-prog@yahoogroups.com, Satya Prasad <satya_prakash_pra...@...> wrote:
>
> Is it safe to refer same variables in LHS and RHS while using Bitwise 
> operators. Like:
> 
> int x = 0 ;
> int y = 0;
> x = x | y;

Yes, that is safe. Perhaps you are thinking of expressions such as:

  x = x++ | y;

which isn't safe - see http://c-faq.com/expr/index.html

But the following does the same thing and is also safe, and is what I think you 
should use:

  x |= y;