[src/trunk]: src/lib/libpthread_dbg Always set trailing '\0' in td_thr_getnam...

[kamil <kamil%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/9ca63192f02a
branches:  trunk
changeset: 349026:9ca63192f02a
user:      kamil <kamil%NetBSD.org@localhost>
date:      Sun Nov 20 21:49:24 2016 +0000

description:
Always set trailing '\0' in td_thr_getname() to compose valid ASCIIZ string

This fixes threads5 in tests/lib/libpthread_dbg

Sponsored by <The NetBSD Foundation>

diffstat:

 lib/libpthread_dbg/pthread_dbg.c |  7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)

diffs (28 lines):

diff -r 1c0ddd826d1f -r 9ca63192f02a lib/libpthread_dbg/pthread_dbg.c
--- a/lib/libpthread_dbg/pthread_dbg.c  Sun Nov 20 21:22:14 2016 +0000
+++ b/lib/libpthread_dbg/pthread_dbg.c  Sun Nov 20 21:49:24 2016 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: pthread_dbg.c,v 1.47 2016/11/20 03:53:47 kamil Exp $   */
+/*     $NetBSD: pthread_dbg.c,v 1.48 2016/11/20 21:49:24 kamil Exp $   */
 
 /*-
  * Copyright (c) 2002 Wasabi Systems, Inc.
@@ -36,7 +36,7 @@
  */
 
 #include <sys/cdefs.h>
-__RCSID("$NetBSD: pthread_dbg.c,v 1.47 2016/11/20 03:53:47 kamil Exp $");
+__RCSID("$NetBSD: pthread_dbg.c,v 1.48 2016/11/20 21:49:24 kamil Exp $");
 
 #define __EXPOSE_STACK 1
 
@@ -280,6 +280,9 @@
            name, (size_t)MIN(PTHREAD_MAX_NAMELEN_NP, len))) != 0)
                return val;
 
+       if (len < PTHREAD_MAX_NAMELEN_NP)
+               name[len - 1] = '\0';
+
        return 0;
 }