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Re: Is this a bug, or what?


Stephen L Arnold wrote:
> 
> Howdy:
> 
> Earnie suggested I post this one, so here goes:
> 
> I'm using the cygwin stuff for my C homework, and I can't figure
> out if this should work or not.  In the attached code (the classic
> Fibonacci sequence problem) the regular (long) integers start
> wrapping at n=46.
> 
> The gcc docs say long long ints are supported, but I can't seem to
> make it work (and I've tried various format specifiers).  As the
> output shows, sizeof returns the correct sizes of long (=int) and
> long long (ie, long long is twice as big).

Yes, long long is supported but the runtime-library (printf)
does not handle it. You should write your own long long -> text
conversion routine.

Anders Norlander
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