From 3b42bdb47169c617cb79123c407a19d16458b49a Mon Sep 17 00:00:00 2001 From: Nathan Bossart Date: Fri, 16 Feb 2024 14:05:36 -0600 Subject: Use new overflow-safe integer comparison functions. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Commit 6b80394781 introduced integer comparison functions designed to be as efficient as possible while avoiding overflow. This commit makes use of these functions in many of the in-tree qsort() comparators to help ensure transitivity. Many of these comparator functions should also see a small performance boost. Author: Mats Kindahl Reviewed-by: Andres Freund, Fabrízio de Royes Mello Discussion: https://postgr.es/m/CA%2B14426g2Wa9QuUpmakwPxXFWG_1FaY0AsApkvcTBy-YfS6uaw%40mail.gmail.com --- src/backend/utils/cache/syscache.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) (limited to 'src/backend/utils/cache/syscache.c') diff --git a/src/backend/utils/cache/syscache.c b/src/backend/utils/cache/syscache.c index 662f9308647..2292237f85f 100644 --- a/src/backend/utils/cache/syscache.c +++ b/src/backend/utils/cache/syscache.c @@ -29,6 +29,7 @@ #include "catalog/pg_shdepend_d.h" #include "catalog/pg_shdescription_d.h" #include "catalog/pg_shseclabel_d.h" +#include "common/int.h" #include "lib/qunique.h" #include "utils/catcache.h" #include "utils/lsyscache.h" @@ -676,7 +677,5 @@ oid_compare(const void *a, const void *b) Oid oa = *((const Oid *) a); Oid ob = *((const Oid *) b); - if (oa == ob) - return 0; - return (oa > ob) ? 1 : -1; + return pg_cmp_u32(oa, ob); } -- cgit v1.2.3