cpio.h revision 1.5
1/* $NetBSD: cpio.h,v 1.5 2003/08/07 09:05:20 agc Exp $ */ 2 3/*- 4 * Copyright (c) 1992, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * Keith Muller of the University of California, San Diego. 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 * 3. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * @(#)cpio.h 8.1 (Berkeley) 5/31/93 35 */ 36 37/*- 38 * Copyright (c) 1992 Keith Muller. 39 * 40 * This code is derived from software contributed to Berkeley by 41 * Keith Muller of the University of California, San Diego. 42 * 43 * Redistribution and use in source and binary forms, with or without 44 * modification, are permitted provided that the following conditions 45 * are met: 46 * 1. Redistributions of source code must retain the above copyright 47 * notice, this list of conditions and the following disclaimer. 48 * 2. Redistributions in binary form must reproduce the above copyright 49 * notice, this list of conditions and the following disclaimer in the 50 * documentation and/or other materials provided with the distribution. 51 * 3. All advertising materials mentioning features or use of this software 52 * must display the following acknowledgement: 53 * This product includes software developed by the University of 54 * California, Berkeley and its contributors. 55 * 4. Neither the name of the University nor the names of its contributors 56 * may be used to endorse or promote products derived from this software 57 * without specific prior written permission. 58 * 59 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 60 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 61 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 62 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 63 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 64 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 65 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 66 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 67 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 68 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 69 * SUCH DAMAGE. 70 * 71 * @(#)cpio.h 8.1 (Berkeley) 5/31/93 72 */ 73 74/* 75 * Defines common to all versions of cpio 76 */ 77#define TRAILER "TRAILER!!!" /* name in last archive record */ 78 79/* 80 * Header encoding of the different file types 81 */ 82#define C_ISDIR 040000 /* Directory */ 83#define C_ISFIFO 010000 /* FIFO */ 84#define C_ISREG 0100000 /* Regular file */ 85#define C_ISBLK 060000 /* Block special file */ 86#define C_ISCHR 020000 /* Character special file */ 87#define C_ISCTG 0110000 /* Reserved for contiguous files */ 88#define C_ISLNK 0120000 /* Reserved for symbolic links */ 89#define C_ISOCK 0140000 /* Reserved for sockets */ 90#define C_IFMT 0170000 /* type of file */ 91 92/* 93 * Data Interchange Format - Extended cpio header format - POSIX 1003.1-1990 94 */ 95typedef struct { 96 char c_magic[6]; /* magic cookie */ 97 char c_dev[6]; /* device number */ 98 char c_ino[6]; /* inode number */ 99 char c_mode[6]; /* file type/access */ 100 char c_uid[6]; /* owners uid */ 101 char c_gid[6]; /* owners gid */ 102 char c_nlink[6]; /* # of links at archive creation */ 103 char c_rdev[6]; /* block/char major/minor # */ 104 char c_mtime[11]; /* modification time */ 105 char c_namesize[6]; /* length of pathname */ 106 char c_filesize[11]; /* length of file in bytes */ 107} HD_CPIO; 108 109#define MAGIC 070707 /* transportable archive id */ 110 111#ifdef _PAX_ 112#define AMAGIC "070707" /* ascii equivalent string of MAGIC */ 113#define CPIO_MASK 0x3ffff /* bits valid in the dev/ino fields */ 114 /* used for dev/inode remaps */ 115#endif /* _PAX_ */ 116 117/* 118 * Binary cpio header structure 119 * 120 * CAUTION! CAUTION! CAUTION! 121 * Each field really represents a 16 bit short (NOT ASCII). Described as 122 * an array of chars in an attempt to improve portability!! 123 */ 124typedef struct { 125 u_char h_magic[2]; 126 u_char h_dev[2]; 127 u_char h_ino[2]; 128 u_char h_mode[2]; 129 u_char h_uid[2]; 130 u_char h_gid[2]; 131 u_char h_nlink[2]; 132 u_char h_rdev[2]; 133 u_char h_mtime_1[2]; 134 u_char h_mtime_2[2]; 135 u_char h_namesize[2]; 136 u_char h_filesize_1[2]; 137 u_char h_filesize_2[2]; 138} HD_BCPIO; 139 140#ifdef _PAX_ 141/* 142 * extraction and creation macros for binary cpio 143 */ 144#define SHRT_EXT(ch) ((((unsigned)(ch)[0])<<8) | (((unsigned)(ch)[1])&0xff)) 145#define RSHRT_EXT(ch) ((((unsigned)(ch)[1])<<8) | (((unsigned)(ch)[0])&0xff)) 146#define CHR_WR_0(val) ((char)(((val) >> 24) & 0xff)) 147#define CHR_WR_1(val) ((char)(((val) >> 16) & 0xff)) 148#define CHR_WR_2(val) ((char)(((val) >> 8) & 0xff)) 149#define CHR_WR_3(val) ((char)((val) & 0xff)) 150 151/* 152 * binary cpio masks and pads 153 */ 154#define BCPIO_PAD(x) ((2 - ((x) & 1)) & 1) /* pad to next 2 byte word */ 155#define BCPIO_MASK 0xffff /* mask for dev/ino fields */ 156#endif /* _PAX_ */ 157 158/* 159 * System VR4 cpio header structure (with/without file data crc) 160 */ 161typedef struct { 162 char c_magic[6]; /* magic cookie */ 163 char c_ino[8]; /* inode number */ 164 char c_mode[8]; /* file type/access */ 165 char c_uid[8]; /* owners uid */ 166 char c_gid[8]; /* owners gid */ 167 char c_nlink[8]; /* # of links at archive creation */ 168 char c_mtime[8]; /* modification time */ 169 char c_filesize[8]; /* length of file in bytes */ 170 char c_maj[8]; /* block/char major # */ 171 char c_min[8]; /* block/char minor # */ 172 char c_rmaj[8]; /* special file major # */ 173 char c_rmin[8]; /* special file minor # */ 174 char c_namesize[8]; /* length of pathname */ 175 char c_chksum[8]; /* 0 OR CRC of bytes of FILE data */ 176} HD_VCPIO; 177 178#define VMAGIC 070701 /* sVr4 new portable archive id */ 179#define VCMAGIC 070702 /* sVr4 new portable archive id CRC */ 180#ifdef _PAX_ 181#define AVMAGIC "070701" /* ascii string of above */ 182#define AVCMAGIC "070702" /* ascii string of above */ 183#define VCPIO_PAD(x) ((4 - ((x) & 3)) & 3) /* pad to next 4 byte word */ 184#define VCPIO_MASK 0xffffffff /* mask for dev/ino fields */ 185#endif /* _PAX_ */ 186