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btkey: fix lint warning about wrong call to tolower

This commit is contained in:
rillig 2021-08-25 22:52:25 +00:00
parent 8c59552c8f
commit 0c4174c5fe
1 changed files with 5 additions and 3 deletions
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8
usr.bin/btkey/btkey.c
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@ -1,4 +1,4 @@
/* $NetBSD: btkey.c,v 1.4 2011/08/29 14:24:03 joerg Exp $ */
/* $NetBSD: btkey.c,v 1.5 2021/08/25 22:52:25 rillig Exp $ */
/*-
* Copyright (c) 2007 Iain Hibbert
@ -29,7 +29,7 @@
#include <sys/cdefs.h>
__COPYRIGHT("@(#) Copyright (c) 2007 Iain Hibbert. All rights reserved.");
__RCSID("$NetBSD: btkey.c,v 1.4 2011/08/29 14:24:03 joerg Exp $");
__RCSID("$NetBSD: btkey.c,v 1.5 2021/08/25 22:52:25 rillig Exp $");
#include <bluetooth.h>
#include <ctype.h>
@ -254,7 +254,9 @@ scan_key(const char *arg)
if (*arg == '\0')
return true;
for (p = digits ; *p != tolower((int)*arg) ; p++)
for (p = digits ;
*p != tolower((unsigned char)*arg) ;
p++)
if (*p == '\0')
return false;