1 /* $NetBSD: lvm-wrappers.c,v 1.1.1.2 2009/02/18 11:17:18 haad Exp $ */
2
3 /*
4 * Copyright (C) 2006 Red Hat, Inc. All rights reserved.
5 *
6 * This file is part of LVM2.
7 *
8 * This copyrighted material is made available to anyone wishing to use,
9 * modify, copy, or redistribute it subject to the terms and conditions
10 * of the GNU Lesser General Public License v.2.1.
11 *
12 * You should have received a copy of the GNU Lesser General Public License
13 * along with this program; if not, write to the Free Software Foundation,
14 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
15 */
16
17 #include "lib.h"
18
19 #include <unistd.h>
20 #include <fcntl.h>
21
lvm_getpagesize(void)22 int lvm_getpagesize(void)
23 {
24 return getpagesize();
25 }
26
read_urandom(void * buf,size_t len)27 int read_urandom(void *buf, size_t len)
28 {
29 int fd;
30
31 /* FIXME: we should stat here, and handle other cases */
32 /* FIXME: use common _io() routine's open/read/close */
33 if ((fd = open("/dev/urandom", O_RDONLY)) < 0) {
34 log_sys_error("open", "read_urandom: /dev/urandom");
35 return 0;
36 }
37
38 if (read(fd, buf, len) != (ssize_t) len) {
39 log_sys_error("read", "read_urandom: /dev/urandom");
40 if (close(fd))
41 stack;
42 return 0;
43 }
44
45 if (close(fd))
46 stack;
47
48 return 1;
49 }
50
51