From 61656abc7ff84215165af1bd464bc053b3b66158 Mon Sep 17 00:00:00 2001
From: Theo de Raadt <deraadt@cvs.openbsd.org>
Date: Fri, 28 Jun 2019 13:35:06 +0000
Subject: When system calls indicate an error they return -1, not some
 arbitrary value < 0.  errno is only updated in this case.  Change all (most?)
 callers of syscalls to follow this better, and let's see if this strictness
 helps us in the future.

---
 usr.bin/wc/wc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'usr.bin/wc')

diff --git a/usr.bin/wc/wc.c b/usr.bin/wc/wc.c
index db3a89ea0af..b1e24552cd9 100644
--- a/usr.bin/wc/wc.c
+++ b/usr.bin/wc/wc.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: wc.c,v 1.25 2018/09/30 12:44:22 schwarze Exp $	*/
+/*	$OpenBSD: wc.c,v 1.26 2019/06/28 13:35:05 deraadt Exp $	*/
 
 /*
  * Copyright (c) 1980, 1987, 1991, 1993
@@ -132,7 +132,7 @@ cnt(char *file)
 	linect = wordct = charct = 0;
 	stream = NULL;
 	if (file) {
-		if ((fd = open(file, O_RDONLY, 0)) < 0) {
+		if ((fd = open(file, O_RDONLY, 0)) == -1) {
 			warn("%s", file);
 			rval = 1;
 			return;
-- 
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