[src/trunk]: src/lib/libquota Check if fstab file exists before trying to par...

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

details:   https://anonhg.NetBSD.org/src/rev/6b02012ad27c
branches:  trunk
changeset: 777595:6b02012ad27c
user:      njoly <njoly%NetBSD.org@localhost>
date:      Fri Feb 24 18:00:09 2012 +0000

description:
Check if fstab file exists before trying to parse it, to avoid
warnings from {get,set}fsent() functions if missing.

dholland ok.

diffstat:

 lib/libquota/quota_oldfiles.c |  11 +++++++++--
 1 files changed, 9 insertions(+), 2 deletions(-)

diffs (32 lines):

diff -r faa558afae7e -r 6b02012ad27c lib/libquota/quota_oldfiles.c
--- a/lib/libquota/quota_oldfiles.c     Fri Feb 24 16:06:39 2012 +0000
+++ b/lib/libquota/quota_oldfiles.c     Fri Feb 24 18:00:09 2012 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: quota_oldfiles.c,v 1.8 2012/02/01 06:12:37 dholland Exp $      */
+/*     $NetBSD: quota_oldfiles.c,v 1.9 2012/02/24 18:00:09 njoly Exp $ */
 
 /*
  * Copyright (c) 1980, 1990, 1993
@@ -33,7 +33,7 @@
  */
 
 #include <sys/cdefs.h>
-__RCSID("$NetBSD: quota_oldfiles.c,v 1.8 2012/02/01 06:12:37 dholland Exp $");
+__RCSID("$NetBSD: quota_oldfiles.c,v 1.9 2012/02/24 18:00:09 njoly Exp $");
 
 #include <sys/types.h>
 #include <sys/stat.h>
@@ -205,6 +205,13 @@
        }
 
        /*
+        * Check if fstab file exists before trying to parse it.
+        * Avoid warnings from {get,set}fsent() if missing.
+        */
+       if (access(_PATH_FSTAB, F_OK) == -1 && errno == ENOENT)
+               return;
+
+       /*
         * XXX: should be able to handle ext2fs quota1 files too
         *
         * XXX: should use getfsent_r(), but there isn't one.