diff options
author | rgrimes <rgrimes@FreeBSD.org> | 1994-05-26 06:18:55 +0000 |
---|---|---|
committer | rgrimes <rgrimes@FreeBSD.org> | 1994-05-26 06:18:55 +0000 |
commit | e3cfc8ce61f788739c66445d903f8beacb40c93d (patch) | |
tree | ba7beef9ee9289c4383bad976f88710e44c98b4d /bin/pax/tar.h | |
parent | 862fdf11a2ede45dec0da01ed575525d79468981 (diff) | |
download | FreeBSD-src-e3cfc8ce61f788739c66445d903f8beacb40c93d.zip FreeBSD-src-e3cfc8ce61f788739c66445d903f8beacb40c93d.tar.gz |
BSD 4.4 Lite bin Sources
Diffstat (limited to 'bin/pax/tar.h')
-rw-r--r-- | bin/pax/tar.h | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/bin/pax/tar.h b/bin/pax/tar.h new file mode 100644 index 0000000..dad2d77 --- /dev/null +++ b/bin/pax/tar.h @@ -0,0 +1,148 @@ +/*- + * 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 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. + * + * @(#)tar.h 8.2 (Berkeley) 4/18/94 + */ + +/* + * defines and data structures common to all tar formats + */ +#define CHK_LEN 8 /* length of checksum field */ +#define TNMSZ 100 /* size of name field */ +#ifdef _PAX_ +#define NULLCNT 2 /* number of null blocks in trailer */ +#define CHK_OFFSET 148 /* start of chksum field */ +#define BLNKSUM 256L /* sum of checksum field using ' ' */ +#endif /* _PAX_ */ + +/* + * Values used in typeflag field in all tar formats + * (only REGTYPE, LNKTYPE and SYMTYPE are used in old bsd tar headers) + */ +#define REGTYPE '0' /* Regular File */ +#define AREGTYPE '\0' /* Regular File */ +#define LNKTYPE '1' /* Link */ +#define SYMTYPE '2' /* Symlink */ +#define CHRTYPE '3' /* Character Special File */ +#define BLKTYPE '4' /* Block Special File */ +#define DIRTYPE '5' /* Directory */ +#define FIFOTYPE '6' /* FIFO */ +#define CONTTYPE '7' /* high perf file */ + +/* + * Mode field encoding of the different file types - values in octal + */ +#define TSUID 04000 /* Set UID on execution */ +#define TSGID 02000 /* Set GID on execution */ +#define TSVTX 01000 /* Reserved */ +#define TUREAD 00400 /* Read by owner */ +#define TUWRITE 00200 /* Write by owner */ +#define TUEXEC 00100 /* Execute/Search by owner */ +#define TGREAD 00040 /* Read by group */ +#define TGWRITE 00020 /* Write by group */ +#define TGEXEC 00010 /* Execute/Search by group */ +#define TOREAD 00004 /* Read by other */ +#define TOWRITE 00002 /* Write by other */ +#define TOEXEC 00001 /* Execute/Search by other */ + +#ifdef _PAX_ +/* + * Pad with a bit mask, much faster than doing a mod but only works on powers + * of 2. Macro below is for block of 512 bytes. + */ +#define TAR_PAD(x) ((512 - ((x) & 511)) & 511) +#endif /* _PAX_ */ + +/* + * structure of an old tar header as it appeared in BSD releases + */ +typedef struct { + char name[TNMSZ]; /* name of entry */ + char mode[8]; /* mode */ + char uid[8]; /* uid */ + char gid[8]; /* gid */ + char size[12]; /* size */ + char mtime[12]; /* modification time */ + char chksum[CHK_LEN]; /* checksum */ + char linkflag; /* norm, hard, or sym. */ + char linkname[TNMSZ]; /* linked to name */ +} HD_TAR; + +#ifdef _PAX_ +/* + * -o options for BSD tar to not write directories to the archive + */ +#define TAR_NODIR "nodir" +#define TAR_OPTION "write_opt" + +/* + * default device names + */ +#define DEV_0 "/dev/rmt0" +#define DEV_1 "/dev/rmt1" +#define DEV_4 "/dev/rmt4" +#define DEV_5 "/dev/rmt5" +#define DEV_7 "/dev/rmt7" +#define DEV_8 "/dev/rmt8" +#endif /* _PAX_ */ + +/* + * Data Interchange Format - Extended tar header format - POSIX 1003.1-1990 + */ +#define TPFSZ 155 +#define TMAGIC "ustar" /* ustar and a null */ +#define TMAGLEN 6 +#define TVERSION "00" /* 00 and no null */ +#define TVERSLEN 2 + +typedef struct { + char name[TNMSZ]; /* name of entry */ + char mode[8]; /* mode */ + char uid[8]; /* uid */ + char gid[8]; /* gid */ + char size[12]; /* size */ + char mtime[12]; /* modification time */ + char chksum[CHK_LEN]; /* checksum */ + char typeflag; /* type of file. */ + char linkname[TNMSZ]; /* linked to name */ + char magic[TMAGLEN]; /* magic cookie */ + char version[TVERSLEN]; /* version */ + char uname[32]; /* ascii owner name */ + char gname[32]; /* ascii group name */ + char devmajor[8]; /* major device number */ + char devminor[8]; /* minor device number */ + char prefix[TPFSZ]; /* linked to name */ +} HD_USTAR; |