Re: boolean in C - Mailing list pgsql-hackers

From Grzegorz Jaskiewicz
Subject Re: boolean in C
Date
Msg-id 9F52F8DE-B1F8-4B7E-B4E7-BDCE6A00D36B@pointblue.com.pl
Whole thread Raw
In response to Re: boolean in C  (Tom Lane <tgl@sss.pgh.pa.us>)
Responses Re: boolean in C  (Tom Lane <tgl@sss.pgh.pa.us>)
Re: boolean in C  (Peter Eisentraut <peter_e@gmx.net>)
List pgsql-hackers
On 16 Jul 2009, at 14:20, Tom Lane wrote:

> Grzegorz Jaskiewicz <gj@pointblue.com.pl> writes:
>> oh, another thing.
>> stdbool is C99 standard feature.
>
> We are still targeting C89, not C99.
>
> Another reason not to depend on stdbool is that, so far as I can see,
> the standard does not promise that type _Bool has size = 1 byte.
> We have to have that because of on-disk compatibility requirements.

I think the latter is easily fixable, or forceable to be one byte.
Why C89, and not C99 ? Virtually all compilers for last 4 years have/ 
had C99 support.




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