1 /* $NetBSD: v7fs_dirent.c,v 1.2 2011/07/18 21:51:49 apb Exp $ */ 2 3 /*- 4 * Copyright (c) 2011 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by UCHIYAMA Yasushi. 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 #if HAVE_NBTOOL_CONFIG_H 33 #include "nbtool_config.h" 34 #endif 35 36 #include <sys/cdefs.h> 37 __KERNEL_RCSID(0, "$NetBSD: v7fs_dirent.c,v 1.2 2011/07/18 21:51:49 apb Exp $"); 38 #if defined _KERNEL_OPT 39 #include "opt_v7fs.h" 40 #endif 41 42 #ifdef _KERNEL 43 #include <sys/systm.h> 44 #include <sys/param.h> 45 #else 46 #include <stdio.h> 47 #include <string.h> 48 #endif 49 50 #include "v7fs.h" 51 #include "v7fs_impl.h" 52 #include "v7fs_endian.h" 53 #include "v7fs_inode.h" 54 #include "v7fs_dirent.h" 55 56 #ifdef V7FS_DIRENT_DEBUG 57 #define DPRINTF(fmt, args...) printf("%s: " fmt, __func__, ##args) 58 #else 59 #define DPRINTF(fmt, args...) ((void)0) 60 #endif 61 62 bool 63 v7fs_dirent_endian_convert(struct v7fs_self *fs, struct v7fs_dirent *dir, int n) 64 { 65 struct v7fs_superblock *sb = &fs->superblock; 66 int i; 67 v7fs_ino_t ino; 68 bool ok = true; 69 70 for (i = 0; i < n; i++, dir++) { 71 ino = V7FS_VAL16(fs, dir->inode_number); 72 if (v7fs_inode_number_sanity(sb, ino)) { 73 DPRINTF("Invalid inode# %d %s\n", ino, dir->name); 74 ok = false; 75 } 76 dir->inode_number = ino; 77 } 78 79 return ok; 80 } 81 82 void 83 v7fs_dirent_filename(char *dst/* size must be V7FS_NAME_MAX + 1 */, 84 const char *src) 85 { 86 87 strncpy(dst, src, V7FS_NAME_MAX); 88 dst[V7FS_NAME_MAX] = '\0'; 89 } 90