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Member "file-5.35/src/tar.h" (20 Jun 2012, 2618 Bytes) of package /linux/misc/file-5.35.tar.gz:


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    1 /*
    2  * Copyright (c) Ian F. Darwin 1986-1995.
    3  * Software written by Ian F. Darwin and others;
    4  * maintained 1995-present by Christos Zoulas and others.
    5  *
    6  * Redistribution and use in source and binary forms, with or without
    7  * modification, are permitted provided that the following conditions
    8  * are met:
    9  * 1. Redistributions of source code must retain the above copyright
   10  *    notice immediately at the beginning of the file, without modification,
   11  *    this list of conditions, and the following disclaimer.
   12  * 2. Redistributions in binary form must reproduce the above copyright
   13  *    notice, this list of conditions and the following disclaimer in the
   14  *    documentation and/or other materials provided with the distribution.
   15  *
   16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   19  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
   20  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   26  * SUCH DAMAGE.
   27  */
   28 /*
   29  * Header file for public domain tar (tape archive) program.
   30  *
   31  * @(#)tar.h 1.20 86/10/29  Public Domain.
   32  *
   33  * Created 25 August 1985 by John Gilmore, ihnp4!hoptoad!gnu.
   34  *
   35  * $File: tar.h,v 1.13 2010/11/30 14:58:53 rrt Exp $ # checkin only
   36  */
   37 
   38 /*
   39  * Header block on tape.
   40  *
   41  * I'm going to use traditional DP naming conventions here.
   42  * A "block" is a big chunk of stuff that we do I/O on.
   43  * A "record" is a piece of info that we care about.
   44  * Typically many "record"s fit into a "block".
   45  */
   46 #define RECORDSIZE  512
   47 #define NAMSIZ  100
   48 #define TUNMLEN 32
   49 #define TGNMLEN 32
   50 
   51 union record {
   52     unsigned char   charptr[RECORDSIZE];
   53     struct header {
   54         char    name[NAMSIZ];
   55         char    mode[8];
   56         char    uid[8];
   57         char    gid[8];
   58         char    size[12];
   59         char    mtime[12];
   60         char    chksum[8];
   61         char    linkflag;
   62         char    linkname[NAMSIZ];
   63         char    magic[8];
   64         char    uname[TUNMLEN];
   65         char    gname[TGNMLEN];
   66         char    devmajor[8];
   67         char    devminor[8];
   68     } header;
   69 };
   70 
   71 /* The magic field is filled with this if uname and gname are valid. */
   72 #define TMAGIC      "ustar"     /* 5 chars and a null */
   73 #define GNUTMAGIC   "ustar  "   /* 7 chars and a null */