[src/trunk]: src/usr.bin/config Fix segmentation fault.

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

details:   https://anonhg.NetBSD.org/src/rev/7465802c992e
branches:  trunk
changeset: 340432:7465802c992e
user:      uebayasi <uebayasi%NetBSD.org@localhost>
date:      Fri Sep 04 15:50:48 2015 +0000

description:
Fix segmentation fault.

diffstat:

 usr.bin/config/files.c |  7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)

diffs (30 lines):

diff -r d310ad8abb0e -r 7465802c992e usr.bin/config/files.c
--- a/usr.bin/config/files.c    Fri Sep 04 12:27:36 2015 +0000
+++ b/usr.bin/config/files.c    Fri Sep 04 15:50:48 2015 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: files.c,v 1.33 2015/09/04 10:16:35 uebayasi Exp $      */
+/*     $NetBSD: files.c,v 1.34 2015/09/04 15:50:48 uebayasi Exp $      */
 
 /*
  * Copyright (c) 1992, 1993
@@ -45,9 +45,10 @@
 #endif
 
 #include <sys/cdefs.h>
-__RCSID("$NetBSD: files.c,v 1.33 2015/09/04 10:16:35 uebayasi Exp $");
+__RCSID("$NetBSD: files.c,v 1.34 2015/09/04 15:50:48 uebayasi Exp $");
 
 #include <sys/param.h>
+#include <assert.h>
 #include <errno.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -379,6 +380,8 @@
                        continue;
                selfiles[i++] = fi;
        }
+       assert(i <= nselfiles);
+       nselfiles = i;
        qsort(selfiles, nselfiles, (unsigned)sizeof(fi), cmpfiles);
        return (err);
 }