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/*

    File: file_tar.h

    Copyright (C) 1998-2005,2007 Christophe GRENIER <grenier@cgsecurity.org>
  
    This software is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.
  
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
  
    You should have received a copy of the GNU General Public License along
    with this program; if not, write the Free Software Foundation, Inc., 51
    Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

 */
#ifndef _FILE_TAR_H
#define _FILE_TAR_H
#ifdef __cplusplus
extern "C" {
#endif

struct tar_posix_header
{				/* byte offset */
  char name[100];		/*   0 */
  char mode[8];			/* 100 */
  char uid[8];			/* 108 */
  char gid[8];			/* 116 */
  char size[12];		/* 124 */
  char mtime[12];		/* 136 */
  char chksum[8];		/* 148 */
  char typeflag;		/* 156 */
  char linkname[100];		/* 157 */
  char magic[6];		/* 257 */
  char version[2];		/* 263 */
  char uname[32];		/* 265 */
  char gname[32];		/* 297 */
  char devmajor[8];		/* 329 */
  char devminor[8];		/* 337 */
  char prefix[155];		/* 345 */
				/* 500 */
};

/*@
  @ requires \valid_read(h);
  @ assigns \nothing;
  @*/
int is_valid_tar_header(const struct tar_posix_header *h);

#ifdef __cplusplus
} /* closing brace for extern "C" */
#endif
#endif