Re: Further news on Clang - spurious warnings - Mailing list pgsql-hackers

From Heikki Linnakangas
Subject Re: Further news on Clang - spurious warnings
Date
Msg-id 4E3A352B.4030203@enterprisedb.com
Whole thread Raw
In response to Re: Further news on Clang - spurious warnings  (David Fetter <david@fetter.org>)
List pgsql-hackers
On 04.08.2011 04:21, David Fetter wrote:
> On Wed, Aug 03, 2011 at 01:40:42PM +0300, Heikki Linnakangas wrote:
>> On 03.08.2011 13:05, Peter Geoghegan wrote:
>>> I don't believe that the standard allows for an implementation of
>>> enums as unsigned integers - after all, individual enum literals can
>>> be given corresponding negative integer values.
>>
>> C99 says:
>>
>>> Each enumerated type shall be compatible with char, a signed integer type, or an
>>> unsigned integer type. The choice of type is implementation-defined,110) but shall be
>>> capable of representing the values of all the members of the enumeration.
>
> Are we moving to C99?
>
> C89 says:
>
>      Each enumerated type shall be compatible with an integer type; the
>      choice of type is implementation-defined.

Well, that's the same thing, just in less explicit words.

--   Heikki Linnakangas  EnterpriseDB   http://www.enterprisedb.com


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