Header files with enums instead of defines?
Brian Fundakowski Feldman
green at FreeBSD.org
Tue Dec 21 17:43:16 PST 2004
On Wed, Dec 22, 2004 at 11:31:43AM +1030, Greg 'groggy' Lehey wrote:
> Has anybody thought about replacing #defines with enums in header
> files? It would make debugging a whole lot easier. Foe example, I'm
> currently looking at a debug printout which contains:
>
> xerrno = 17,
>
> To find out what that means, I need to go to
> /usr/src/include/sys/errno.h and look for 17. I find:
>
> #define EEXIST 17 /* File exists */
>
> If we were to change this to
>
> enum EEXIST = 17; /* File exists */
>
> I'd then be able to see:
>
> xerrno = EEXIST,
>
> That makes debugging a whole lot easier. About the only down side I
> can see is that you can't #undef an enum. Is this a big deal?
I think you'll screw up an awful lot of people that #ifdef based upon
the errno names.
--
Brian Fundakowski Feldman \'[ FreeBSD ]''''''''''\
<> green at FreeBSD.org \ The Power to Serve! \
Opinions expressed are my own. \,,,,,,,,,,,,,,,,,,,,,,\
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