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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