From: op <op@openbsd.org>
Date: Wed, 21 Jun 2023 17:59:24 +0000 (+0000)
Subject: clear errno before strtoull as it may already be set to ERANGE
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=bba303a85ba7a9ff23eb095c97fa676dd69f6b18;p=openbsd

clear errno before strtoull as it may already be set to ERANGE

noticed and ok millert@
---

diff --git a/usr.sbin/smtpd/lka_filter.c b/usr.sbin/smtpd/lka_filter.c
index 18ac7c1a3f8..bb5e8f4d66c 100644
--- a/usr.sbin/smtpd/lka_filter.c
+++ b/usr.sbin/smtpd/lka_filter.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: lka_filter.c,v 1.71 2023/06/21 17:56:26 op Exp $	*/
+/*	$OpenBSD: lka_filter.c,v 1.72 2023/06/21 17:59:24 op Exp $	*/
 
 /*
  * Copyright (c) 2018 Gilles Chehade <gilles@poolp.org>
@@ -605,6 +605,8 @@ lka_filter_process_response(const char *name, const char *line)
 	if ((ep = strchr(kind, '|')) == NULL)
 		fatalx("Missing token: %s", line);
 	qid = ep+1;
+
+	errno = 0;
 	reqid = strtoull(qid, &ep, 16);
 	if (qid[0] == '\0' || *ep != '|')
 		fatalx("Invalid reqid: %s", line);