1 /* $NetBSD: compat_getfh.c,v 1.6 2008/04/28 20:22:59 martin Exp $ */ 2 3 /*- 4 * Copyright (c) 2006 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Martin Husemann <martin@NetBSD.org>. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 33 #include <sys/cdefs.h> 34 #if defined(LIBC_SCCS) && !defined(lint) 35 __RCSID("$NetBSD: compat_getfh.c,v 1.6 2008/04/28 20:22:59 martin Exp $"); 36 #endif /* LIBC_SCCS and not lint */ 37 38 #define __LIBC12_SOURCE__ 39 40 #include <sys/types.h> 41 #include <sys/mount.h> 42 #include <compat/include/fstypes.h> 43 44 #include <errno.h> 45 46 __warn_references(getfh, 47 "warning: reference to compatibility getfh(); include <sys/mount.h> to generate correct reference") 48 49 50 int __getfh30(const char *, void*, size_t *); 51 int getfh(const char *path, struct compat_30_fhandle *fhp); 52 53 /* 54 * Convert old getfh() call to new calling convention 55 */ 56 int 57 getfh(const char *path, struct compat_30_fhandle *fhp) 58 { 59 size_t fh_size = sizeof(*fhp); 60 int ret; 61 62 ret = __getfh30(path, (void*)fhp, &fh_size); 63 if (ret != 0) { 64 return ret; 65 } 66 if (fh_size != FHANDLE30_SIZE) { 67 errno = EINVAL; 68 return -1; 69 } 70 return 0; 71 } 72