cpio.h revision 22988
1241823Smarcel/*- 2242710Ssjg * Copyright (c) 1992 Keith Muller. 3242710Ssjg * Copyright (c) 1992, 1993 4242710Ssjg * The Regents of the University of California. All rights reserved. 5242710Ssjg * 6242710Ssjg * This code is derived from software contributed to Berkeley by 7242710Ssjg * Keith Muller of the University of California, San Diego. 8242710Ssjg * 9242710Ssjg * Redistribution and use in source and binary forms, with or without 10242710Ssjg * modification, are permitted provided that the following conditions 11242710Ssjg * are met: 12242710Ssjg * 1. Redistributions of source code must retain the above copyright 13242710Ssjg * notice, this list of conditions and the following disclaimer. 14242710Ssjg * 2. Redistributions in binary form must reproduce the above copyright 15242710Ssjg * notice, this list of conditions and the following disclaimer in the 16241823Smarcel * documentation and/or other materials provided with the distribution. 17242710Ssjg * 3. All advertising materials mentioning features or use of this software 18241823Smarcel * must display the following acknowledgement: 19258095Ssjg * This product includes software developed by the University of 20258095Ssjg * California, Berkeley and its contributors. 21258095Ssjg * 4. Neither the name of the University nor the names of its contributors 22241823Smarcel * may be used to endorse or promote products derived from this software 23242710Ssjg * without specific prior written permission. 24242710Ssjg * 25258095Ssjg * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 26242710Ssjg * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27242710Ssjg * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28242710Ssjg * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 29241823Smarcel * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30258095Ssjg * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31258095Ssjg * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32258095Ssjg * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33241823Smarcel * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34242710Ssjg * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35242710Ssjg * SUCH DAMAGE. 36242710Ssjg * 37242710Ssjg * @(#)cpio.h 8.1 (Berkeley) 5/31/93 38242710Ssjg * $Id$ 39241823Smarcel */ 40242710Ssjg 41242710Ssjg/* 42241823Smarcel * Defines common to all versions of cpio 43242710Ssjg */ 44242710Ssjg#define TRAILER "TRAILER!!!" /* name in last archive record */ 45272055Sngie 46272055Sngie/* 47242710Ssjg * Header encoding of the different file types 48272055Sngie */ 49272055Sngie#define C_ISDIR 040000 /* Directory */ 50272055Sngie#define C_ISFIFO 010000 /* FIFO */ 51272055Sngie#define C_ISREG 0100000 /* Regular file */ 52272055Sngie#define C_ISBLK 060000 /* Block special file */ 53272055Sngie#define C_ISCHR 020000 /* Character special file */ 54258095Ssjg#define C_ISCTG 0110000 /* Reserved for contiguous files */ 55258095Ssjg#define C_ISLNK 0120000 /* Reserved for symbolic links */ 56249770Ssjg#define C_ISOCK 0140000 /* Reserved for sockets */ 57242710Ssjg#define C_IFMT 0170000 /* type of file */ 58241823Smarcel 59242710Ssjg/* 60258095Ssjg * Data Interchange Format - Extended cpio header format - POSIX 1003.1-1990 61242710Ssjg */ 62241823Smarceltypedef struct { 63242710Ssjg char c_magic[6]; /* magic cookie */ 64241823Smarcel char c_dev[6]; /* device number */ 65242710Ssjg char c_ino[6]; /* inode number */ 66242710Ssjg char c_mode[6]; /* file type/access */ 67242710Ssjg char c_uid[6]; /* owners uid */ 68242710Ssjg char c_gid[6]; /* owners gid */ 69272055Sngie char c_nlink[6]; /* # of links at archive creation */ 70241823Smarcel char c_rdev[6]; /* block/char major/minor # */ 71242710Ssjg char c_mtime[11]; /* modification time */ 72242710Ssjg char c_namesize[6]; /* length of pathname */ 73242710Ssjg char c_filesize[11]; /* length of file in bytes */ 74242710Ssjg} HD_CPIO; 75241823Smarcel 76242710Ssjg#define MAGIC 070707 /* transportable archive id */ 77241823Smarcel 78242710Ssjg#ifdef _PAX_ 79258095Ssjg#define AMAGIC "070707" /* ascii equivalent string of MAGIC */ 80241823Smarcel#define CPIO_MASK 0x3ffff /* bits valid in the dev/ino fields */ 81259209Sjmmv /* used for dev/inode remaps */ 82249770Ssjg#endif /* _PAX_ */ 83272055Sngie 84241823Smarcel/* 85242710Ssjg * Binary cpio header structure 86242710Ssjg * 87242710Ssjg * CAUTION! CAUTION! CAUTION! 88242710Ssjg * Each field really represents a 16 bit short (NOT ASCII). Described as 89241823Smarcel * an array of chars in an attempt to improve portability!! 90241823Smarcel */ 91242710Ssjgtypedef struct { 92259209Sjmmv u_char h_magic[2]; 93259209Sjmmv u_char h_dev[2]; 94241823Smarcel u_char h_ino[2]; 95242710Ssjg u_char h_mode[2]; 96242710Ssjg u_char h_uid[2]; 97259209Sjmmv u_char h_gid[2]; 98259209Sjmmv u_char h_nlink[2]; 99241823Smarcel u_char h_rdev[2]; 100241823Smarcel u_char h_mtime_1[2]; 101241823Smarcel u_char h_mtime_2[2]; 102242710Ssjg u_char h_namesize[2]; 103242710Ssjg u_char h_filesize_1[2]; 104241823Smarcel u_char h_filesize_2[2]; 105241823Smarcel} HD_BCPIO; 106272055Sngie 107259209Sjmmv#ifdef _PAX_ 108272055Sngie/* 109272055Sngie * extraction and creation macros for binary cpio 110272055Sngie */ 111272055Sngie#define SHRT_EXT(ch) ((((unsigned)(ch)[0])<<8) | (((unsigned)(ch)[1])&0xff)) 112272055Sngie#define RSHRT_EXT(ch) ((((unsigned)(ch)[1])<<8) | (((unsigned)(ch)[0])&0xff)) 113259209Sjmmv#define CHR_WR_0(val) ((char)(((val) >> 24) & 0xff)) 114259209Sjmmv#define CHR_WR_1(val) ((char)(((val) >> 16) & 0xff)) 115272055Sngie#define CHR_WR_2(val) ((char)(((val) >> 8) & 0xff)) 116259209Sjmmv#define CHR_WR_3(val) ((char)((val) & 0xff)) 117241823Smarcel 118/* 119 * binary cpio masks and pads 120 */ 121#define BCPIO_PAD(x) ((2 - ((x) & 1)) & 1) /* pad to next 2 byte word */ 122#define BCPIO_MASK 0xffff /* mask for dev/ino fields */ 123#endif /* _PAX_ */ 124 125/* 126 * System VR4 cpio header structure (with/without file data crc) 127 */ 128typedef struct { 129 char c_magic[6]; /* magic cookie */ 130 char c_ino[8]; /* inode number */ 131 char c_mode[8]; /* file type/access */ 132 char c_uid[8]; /* owners uid */ 133 char c_gid[8]; /* owners gid */ 134 char c_nlink[8]; /* # of links at archive creation */ 135 char c_mtime[8]; /* modification time */ 136 char c_filesize[8]; /* length of file in bytes */ 137 char c_maj[8]; /* block/char major # */ 138 char c_min[8]; /* block/char minor # */ 139 char c_rmaj[8]; /* special file major # */ 140 char c_rmin[8]; /* special file minor # */ 141 char c_namesize[8]; /* length of pathname */ 142 char c_chksum[8]; /* 0 OR CRC of bytes of FILE data */ 143} HD_VCPIO; 144 145#define VMAGIC 070701 /* sVr4 new portable archive id */ 146#define VCMAGIC 070702 /* sVr4 new portable archive id CRC */ 147#ifdef _PAX_ 148#define AVMAGIC "070701" /* ascii string of above */ 149#define AVCMAGIC "070702" /* ascii string of above */ 150#define VCPIO_PAD(x) ((4 - ((x) & 3)) & 3) /* pad to next 4 byte word */ 151#define VCPIO_MASK 0xffffffff /* mask for dev/ino fields */ 152#endif /* _PAX_ */ 153