Re: 0xdeadbeef vs 0xdeadbeefL

[viro]

On Tue, Jul 06, 2004 at 05:06:12PM -0700, tom st denis wrote:
> --- David Eger <eger@xxxxxxxxxxxxx> wrote:
> > Is there a reason to add the 'L' to such a 32-bit constant like this?
> > There doesn't seem a great rhyme to it in the headers...
> 
> IIRC it should have the L [probably UL instead] since numerical
> constants are of type ``int'' by default.  
> 
> Normally this isn't a problem since int == long on most platforms that
> run Linux.  However, by the standard 0xdeadbeef is not a valid unsigned
> long constant.

... and that would be your F for C101.  Suggested remedial reading before
you take the test again: any textbook on C, section describing integer
constants; alternatively, you can look it up in any revision of C standard.
Pay attention to difference in the set of acceptable types for decimal
and heaxdecimal constants.
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