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      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 
     22 int lvm_getpagesize(void)
     23 {
     24 	return getpagesize();
     25 }
     26 
     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