Re: Header files with enums instead of defines?
From: Greg 'groggy' Lehey (grog_at_FreeBSD.org)
Date: 12/22/04
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Date: Wed, 22 Dec 2004 12:33:08 +1030 To: Brian Fundakowski Feldman <green@FreeBSD.org>
On Tuesday, 21 December 2004 at 20:43:14 -0500, Brian Fundakowski Feldman wrote:
> 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.
*sigh* Yes, I didn't think about that. Never mind.
Greg
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