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char -> unsigned char

This commit is contained in:
christos 1998-12-19 17:44:22 +00:00
parent 6e0fa105be
commit 8f5ca4eed0
1 changed files with 3 additions and 3 deletions
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6
usr.bin/leave/leave.c
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@ -1,4 +1,4 @@
/* $NetBSD: leave.c,v 1.7 1998/04/02 10:23:01 kleink Exp $ */
/* $NetBSD: leave.c,v 1.8 1998/12/19 17:44:22 christos Exp $ */
/*
* Copyright (c) 1980, 1988, 1993
@ -43,7 +43,7 @@ __COPYRIGHT("@(#) Copyright (c) 1980, 1988, 1993\n\
#if 0
static char sccsid[] = "@(#)leave.c 8.1 (Berkeley) 6/6/93";
#else
__RCSID("$NetBSD: leave.c,v 1.7 1998/04/02 10:23:01 kleink Exp $");
__RCSID("$NetBSD: leave.c,v 1.8 1998/12/19 17:44:22 christos Exp $");
#endif
#endif /* not lint */
@ -102,7 +102,7 @@ main(argc, argv)
}
for (hours = 0; (c = *cp) && c != '\n'; ++cp) {
if (!isdigit(c))
if (!isdigit((unsigned char)c))
usage();
hours = hours * 10 + (c - '0');
}