[src/trunk]: src/share/examples/rump/sdread Check open return value and close...

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

details:   https://anonhg.NetBSD.org/src/rev/b399c1475991
branches:  trunk
changeset: 753384:b399c1475991
user:      pooka <pooka%NetBSD.org@localhost>
date:      Thu Mar 25 15:00:20 2010 +0000

description:
Check open return value and close fd when we're done.

diffstat:

 share/examples/rump/sdread/sdread.c |  7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)

diffs (28 lines):

diff -r 90f153c48d8e -r b399c1475991 share/examples/rump/sdread/sdread.c
--- a/share/examples/rump/sdread/sdread.c       Thu Mar 25 14:59:36 2010 +0000
+++ b/share/examples/rump/sdread/sdread.c       Thu Mar 25 15:00:20 2010 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: sdread.c,v 1.5 2010/03/22 20:37:26 pooka Exp $ */
+/*     $NetBSD: sdread.c,v 1.6 2010/03/25 15:00:20 pooka Exp $ */
 
 /*
  * Copyright (c) 2009 Antti Kantee.  All Rights Reserved.
@@ -63,6 +63,9 @@
        int fd, val = 0, rounds = 0;
 
        fd = rump_sys_open("/dev/rcd0d", O_RDWR);
+       if (fd == -1)
+               return;
+
        do {
                if (rounds > 0) {
                        if (rounds == 1) {
@@ -82,6 +85,8 @@
                printf(" giving up\n");
        else
                printf(" done!\n");
+
+       rump_sys_close(fd);
 }
 
 int