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79 lines
2.0 KiB
C
79 lines
2.0 KiB
C
#ifndef _CPIO_H
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#define _CPIO_H
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/*
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* Copyright (C) 2012 Michael Brown <mbrown@fensystems.co.uk>.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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/**
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* @file
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*
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* CPIO archives
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*
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*/
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#include <stdint.h>
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/** A CPIO archive header
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*
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* All field are hexadecimal ASCII numbers padded with '0' on the
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* left to the full width of the field.
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*/
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struct cpio_header {
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/** The string "070701" or "070702" */
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char c_magic[6];
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/** File inode number */
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char c_ino[8];
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/** File mode and permissions */
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char c_mode[8];
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/** File uid */
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char c_uid[8];
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/** File gid */
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char c_gid[8];
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/** Number of links */
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char c_nlink[8];
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/** Modification time */
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char c_mtime[8];
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/** Size of data field */
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char c_filesize[8];
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/** Major part of file device number */
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char c_maj[8];
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/** Minor part of file device number */
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char c_min[8];
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/** Major part of device node reference */
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char c_rmaj[8];
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/** Minor part of device node reference */
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char c_rmin[8];
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/** Length of filename, including final NUL */
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char c_namesize[8];
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/** Checksum of data field if c_magic is 070702, othersize zero */
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char c_chksum[8];
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} __attribute__ (( packed ));
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/** CPIO magic */
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#define CPIO_MAGIC "070701"
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/** CPIO trailer */
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#define CPIO_TRAILER "TRAILER!!!"
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extern int cpio_extract ( void *data, size_t len,
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int ( * file ) ( const char *name, void *data,
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size_t len ) );
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#endif /* _CPIO_H */
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