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