From 71f73d1673c20579b83463456cef3fa3d210c99b Mon Sep 17 00:00:00 2001
From: christos <christos@NetBSD.org>
Date: Wed, 14 Jul 2004 12:41:36 +0000
Subject: [PATCH] - Grr! unterminated buffer string in exclude destination
 buffer - fix isfoo() ctype macros to take unsigned char.

---
 bin/pax/tar.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/bin/pax/tar.c b/bin/pax/tar.c
index b2b733899d95..09c1e37dc51c 100644
--- a/bin/pax/tar.c
+++ b/bin/pax/tar.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: tar.c,v 1.56 2004/06/16 14:26:24 christos Exp $	*/
+/*	$NetBSD: tar.c,v 1.57 2004/07/14 12:41:36 christos Exp $	*/
 
 /*-
  * Copyright (c) 1992 Keith Muller.
@@ -42,7 +42,7 @@
 #if 0
 static char sccsid[] = "@(#)tar.c	8.2 (Berkeley) 4/18/94";
 #else
-__RCSID("$NetBSD: tar.c,v 1.56 2004/06/16 14:26:24 christos Exp $");
+__RCSID("$NetBSD: tar.c,v 1.57 2004/07/14 12:41:36 christos Exp $");
 #endif
 #endif /* not lint */
 
@@ -1302,10 +1302,12 @@ tar_gnutar_exclude_one(const char *line, size_t len)
 		else if (line[i] == '?') {
 			sbuf[j++] = '.';
 			continue;
-		} else if (!isalnum(line[i]) && !isblank(line[i]))
+		} else if (!isalnum((unsigned char)line[i]) &&
+		    !isblank((unsigned char)line[i]))
 			sbuf[j++] = '\\';
 		sbuf[j++] = line[i];
 	}
+	sbuf[j] = '\0';
 	/* don't need the .*\/ ones if we start with /, i guess */
 	if (line[0] != '/') {
 		(void)snprintf(rabuf, sizeof rabuf, "/.*\\/%s$//", sbuf);