[src/trunk]: src/tests/lib/libc/ssp fix lossage with gcc-4.5

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

details:   https://anonhg.NetBSD.org/src/rev/2910111a3bc0
branches:  trunk
changeset: 328563:2910111a3bc0
user:      christos <christos%NetBSD.org@localhost>
date:      Mon Apr 07 15:09:20 2014 +0000

description:
fix lossage with gcc-4.5

diffstat:

 tests/lib/libc/ssp/h_stpncpy.c |  9 +++++++--
 1 files changed, 7 insertions(+), 2 deletions(-)

diffs (34 lines):

diff -r dce4002ce913 -r 2910111a3bc0 tests/lib/libc/ssp/h_stpncpy.c
--- a/tests/lib/libc/ssp/h_stpncpy.c    Mon Apr 07 14:40:17 2014 +0000
+++ b/tests/lib/libc/ssp/h_stpncpy.c    Mon Apr 07 15:09:20 2014 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: h_stpncpy.c,v 1.1 2014/04/06 19:28:59 christos Exp $ */
+/* $NetBSD: h_stpncpy.c,v 1.2 2014/04/07 15:09:20 christos Exp $ */
 
 /*
  * Copyright (c) 2014 The NetBSD Foundation, Inc.
@@ -29,7 +29,7 @@
 #include <sys/cdefs.h>
 __COPYRIGHT("@(#) Copyright (c) 2008\
  The NetBSD Foundation, inc. All rights reserved.");
-__RCSID("$NetBSD: h_stpncpy.c,v 1.1 2014/04/06 19:28:59 christos Exp $");
+__RCSID("$NetBSD: h_stpncpy.c,v 1.2 2014/04/07 15:09:20 christos Exp $");
 
 #include <stdio.h>
 #include <string.h>
@@ -41,10 +41,15 @@
 {
        char b[10];
        int len = atoi(argv[1]);
+#if __GNUC_PREREQ__(4, 8)
        char *q = stpncpy(b, "1020202020202", len);
 
        if (q - b != len)
                abort();
+#else
+       // gcc-4.5 lacks __builtin___stpncpy_chk, lose.
+       (void)strncpy(b, "1020202020202", len);
+#endif
 
        (void)printf("%*.*s\n", len, len, b);
        return 0;