commands/pax/cpio.h
C Header | 148 lines | 77 code | 10 blank | 61 comment | 0 complexity | 9deb9d2b99d0e0efee9fcbbabb1757a8 MD5 | raw file
Possible License(s): MIT, WTFPL, AGPL-1.0, BSD-3-Clause, GPL-3.0, LGPL-2.0, JSON, 0BSD
- /*-
- * Copyright (c) 1992 Keith Muller.
- * Copyright (c) 1992, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Keith Muller of the University of California, San Diego.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * @(#)cpio.h 8.1 (Berkeley) 5/31/93
- * $FreeBSD: src/bin/pax/cpio.h,v 1.7 2004/04/06 20:06:48 markm Exp $
- */
- /*
- * Defines common to all versions of cpio
- */
- #define TRAILER "TRAILER!!!" /* name in last archive record */
- /*
- * Header encoding of the different file types
- */
- #define C_ISDIR 040000 /* Directory */
- #define C_ISFIFO 010000 /* FIFO */
- #define C_ISREG 0100000 /* Regular file */
- #define C_ISBLK 060000 /* Block special file */
- #define C_ISCHR 020000 /* Character special file */
- #define C_ISCTG 0110000 /* Reserved for contiguous files */
- #define C_ISLNK 0120000 /* Reserved for symbolic links */
- #define C_ISOCK 0140000 /* Reserved for sockets */
- #define C_IFMT 0170000 /* type of file */
- /*
- * Data Interchange Format - Extended cpio header format - POSIX 1003.1-1990
- */
- typedef struct {
- char c_magic[6]; /* magic cookie */
- char c_dev[6]; /* device number */
- char c_ino[6]; /* inode number */
- char c_mode[6]; /* file type/access */
- char c_uid[6]; /* owners uid */
- char c_gid[6]; /* owners gid */
- char c_nlink[6]; /* # of links at archive creation */
- char c_rdev[6]; /* block/char major/minor # */
- char c_mtime[11]; /* modification time */
- char c_namesize[6]; /* length of pathname */
- char c_filesize[11]; /* length of file in bytes */
- } HD_CPIO;
- #define MAGIC 070707 /* transportable archive id */
- #ifdef _PAX_
- #define AMAGIC "070707" /* ascii equivalent string of MAGIC */
- #define CPIO_MASK 0x3ffff /* bits valid in the dev/ino fields */
- /* used for dev/inode remaps */
- #endif /* _PAX_ */
- /*
- * Binary cpio header structure
- *
- * CAUTION! CAUTION! CAUTION!
- * Each field really represents a 16 bit short (NOT ASCII). Described as
- * an array of chars in an attempt to improve portability!!
- */
- typedef struct {
- u_char h_magic[2];
- u_char h_dev[2];
- u_char h_ino[2];
- u_char h_mode[2];
- u_char h_uid[2];
- u_char h_gid[2];
- u_char h_nlink[2];
- u_char h_rdev[2];
- u_char h_mtime_1[2];
- u_char h_mtime_2[2];
- u_char h_namesize[2];
- u_char h_filesize_1[2];
- u_char h_filesize_2[2];
- } HD_BCPIO;
- #ifdef _PAX_
- /*
- * extraction and creation macros for binary cpio
- */
- #define SHRT_EXT(ch) ((((unsigned)(ch)[0])<<8) | (((unsigned)(ch)[1])&0xff))
- #define RSHRT_EXT(ch) ((((unsigned)(ch)[1])<<8) | (((unsigned)(ch)[0])&0xff))
- #define CHR_WR_0(val) ((char)(((val) >> 24) & 0xff))
- #define CHR_WR_1(val) ((char)(((val) >> 16) & 0xff))
- #define CHR_WR_2(val) ((char)(((val) >> 8) & 0xff))
- #define CHR_WR_3(val) ((char)((val) & 0xff))
- /*
- * binary cpio masks and pads
- */
- #define BCPIO_PAD(x) ((2 - ((x) & 1)) & 1) /* pad to next 2 byte word */
- #define BCPIO_MASK 0xffff /* mask for dev/ino fields */
- #endif /* _PAX_ */
- /*
- * System VR4 cpio header structure (with/without file data crc)
- */
- typedef struct {
- char c_magic[6]; /* magic cookie */
- char c_ino[8]; /* inode number */
- char c_mode[8]; /* file type/access */
- char c_uid[8]; /* owners uid */
- char c_gid[8]; /* owners gid */
- char c_nlink[8]; /* # of links at archive creation */
- char c_mtime[8]; /* modification time */
- char c_filesize[8]; /* length of file in bytes */
- char c_maj[8]; /* block/char major # */
- char c_min[8]; /* block/char minor # */
- char c_rmaj[8]; /* special file major # */
- char c_rmin[8]; /* special file minor # */
- char c_namesize[8]; /* length of pathname */
- char c_chksum[8]; /* 0 OR CRC of bytes of FILE data */
- } HD_VCPIO;
- #define VMAGIC 070701 /* sVr4 new portable archive id */
- #define VCMAGIC 070702 /* sVr4 new portable archive id CRC */
- #ifdef _PAX_
- #define AVMAGIC "070701" /* ascii string of above */
- #define AVCMAGIC "070702" /* ascii string of above */
- #define VCPIO_PAD(x) ((4 - ((x) & 3)) & 3) /* pad to next 4 byte word */
- #define VCPIO_MASK 0xffffffff /* mask for dev/ino fields */
- #endif /* _PAX_ */