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freebsd/bin/pax/cpio.h
Warner Losh fbbd9655e5 Renumber copyright clause 4
Renumber cluase 4 to 3, per what everybody else did when BSD granted
them permission to remove clause 3. My insistance on keeping the same
numbering for legal reasons is too pedantic, so give up on that point.

Submitted by:	Jan Schaumann <jschauma@stevens.edu>
Pull Request:	https://github.com/freebsd/freebsd/pull/96
2017-02-28 23:42:47 +00:00

149 lines
5.4 KiB
C

/*-
* 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.
* 3. 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
* $FreeBSD$
*/
/*
* 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 __aligned(1);
#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 __aligned(1);
#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 __aligned(1);
#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_ */