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Use more-portable coding for the check on handing out the last available

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relopt_kind value in add_reloption_kind().  Per Zdenek Kotala.
This commit is contained in:
Tom Lane
2009-05-24 22:22:44 +00:00
parent fc2660fc25
commit c3707a4fcd
2 changed files with 7 additions and 10 deletions
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12
src/backend/access/common/reloptions.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/access/common/reloptions.c,v 1.26 2009/04/04 21:12:30 tgl Exp $
* $PostgreSQL: pgsql/src/backend/access/common/reloptions.c,v 1.27 2009/05/24 22:22:44 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -190,7 +190,7 @@ static relopt_string stringRelOpts[] =
};
static relopt_gen **relOpts = NULL;
static bits32 last_assigned_kind = RELOPT_KIND_LAST_DEFAULT << 1;
static bits32 last_assigned_kind = RELOPT_KIND_LAST_DEFAULT;
static int num_custom_options = 0;
static relopt_gen **custom_options = NULL;
@ -278,17 +278,13 @@ initialize_reloptions(void)
relopt_kind
add_reloption_kind(void)
{
relopt_kind kind;
/* don't hand out the last bit so that the wraparound check is portable */
/* don't hand out the last bit so that the enum's behavior is portable */
if (last_assigned_kind >= RELOPT_KIND_MAX)
ereport(ERROR,
(errcode(ERRCODE_PROGRAM_LIMIT_EXCEEDED),
errmsg("user-defined relation parameter types limit exceeded")));
kind = (relopt_kind) last_assigned_kind;
last_assigned_kind <<= 1;
return kind;
return (relopt_kind) last_assigned_kind;
}
/*