root/include/tar.h
/*-
 * SPDX-License-Identifier: BSD-3-Clause
 *
 * Copyright (c) 1994
 *      The Regents of the University of California.  All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Chuck Karish of Mindcraft, Inc.
 *
 * 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.
 */

#ifndef _TAR_H
#define _TAR_H

#define TMAGIC          "ustar" /* ustar and a null */
#define TMAGLEN         6
#define TVERSION        "00"    /* 00 and no null */
#define TVERSLEN        2

/* Values used in typeflag field */
#define REGTYPE         '0'     /* Regular file */
#define AREGTYPE        '\0'    /* Regular file */
#define LNKTYPE         '1'     /* Link */
#define SYMTYPE         '2'     /* Reserved */
#define CHRTYPE         '3'     /* Character special */
#define BLKTYPE         '4'     /* Block special */
#define DIRTYPE         '5'     /* Directory */
#define FIFOTYPE        '6'     /* FIFO special */
#define CONTTYPE        '7'     /* Reserved */

/* Bits used in the mode field - values in octal */
#define TSUID           04000   /* Set UID on execution */
#define TSGID           02000   /* Set GID on execution */
#define TSVTX           01000   /* Reserved */
                                /* File permissions */
#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 */

#endif