1 /* $NetBSD: compat_stat.c,v 1.2 2009/01/11 02:46:27 christos Exp $ */ 2 3 /* 4 * Copyright (c) 1997 Frank van der Linden 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed for the NetBSD Project 18 * by Frank van der Linden 19 * 4. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #include <sys/cdefs.h> 35 #if defined(LIBC_SCCS) && !defined(lint) 36 __RCSID("$NetBSD: compat_stat.c,v 1.2 2009/01/11 02:46:27 christos Exp $"); 37 #endif /* LIBC_SCCS and not lint */ 38 39 #define __LIBC12_SOURCE__ 40 41 #include <sys/types.h> 42 #include <sys/stat.h> 43 #include <compat/sys/time.h> 44 #include <compat/sys/stat.h> 45 46 __warn_references(stat, 47 "warning: reference to compatibility stat(); include <sys/stat.h> to generate correct reference") 48 49 __warn_references(fstat, 50 "warning: reference to compatibility fstat(); include <sys/stat.h> to generate correct reference") 51 52 __warn_references(lstat, 53 "warning: reference to compatibility lstat(); include <sys/stat.h> to generate correct reference") 54 55 /* 56 * Convert from a new to an old stat structure. 57 */ 58 59 static void cvtstat(const struct stat *, struct stat12 *); 60 61 static void 62 cvtstat(const struct stat *st, struct stat12 *ost) 63 { 64 65 ost->st_dev = (uint32_t)st->st_dev; 66 ost->st_ino = (uint32_t)st->st_ino; 67 ost->st_mode = st->st_mode; 68 if (st->st_nlink >= (1 << 15)) 69 ost->st_nlink = (1 << 15) - 1; 70 else 71 ost->st_nlink = st->st_nlink; 72 ost->st_uid = st->st_uid; 73 ost->st_gid = st->st_gid; 74 ost->st_rdev = (uint32_t)st->st_rdev; 75 ost->st_atimespec.tv_sec = (int32_t)st->st_atimespec.tv_sec; 76 ost->st_atimespec.tv_nsec = st->st_atimespec.tv_nsec; 77 ost->st_mtimespec.tv_sec = (int32_t)st->st_mtimespec.tv_sec; 78 ost->st_mtimespec.tv_nsec = st->st_mtimespec.tv_nsec; 79 ost->st_ctimespec.tv_sec = (int32_t)st->st_ctimespec.tv_sec; 80 ost->st_ctimespec.tv_nsec = st->st_ctimespec.tv_nsec; 81 ost->st_size = st->st_size; 82 ost->st_blocks = st->st_blocks; 83 ost->st_blksize = st->st_blksize; 84 ost->st_flags = st->st_flags; 85 ost->st_gen = st->st_gen; 86 } 87 88 int 89 stat(const char *file, struct stat12 *ost) 90 { 91 struct stat nst; 92 int ret; 93 94 if ((ret = __stat50(file, &nst)) < 0) 95 return ret; 96 cvtstat(&nst, ost); 97 return ret; 98 } 99 100 int 101 fstat(int f, struct stat12 *ost) 102 { 103 struct stat nst; 104 int ret; 105 106 if ((ret = __fstat50(f, &nst)) < 0) 107 return ret; 108 cvtstat(&nst, ost); 109 return ret; 110 } 111 112 int 113 lstat(const char *file, struct stat12 *ost) 114 { 115 struct stat nst; 116 int ret; 117 118 if ((ret = __lstat50(file, &nst)) < 0) 119 return ret; 120 cvtstat(&nst, ost); 121 return ret; 122 } 123