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.
See also: http://stackoverflow.com/questions/2579230/signedness-of-enum-in-c-c99-c-cx-gnu-c-gnu-c99 -- Heikki Linnakangas EnterpriseDB http://www.enterprisedb.com -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
