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/* $Id: zipfile.h,v 1.1.1.1 2007/08/18 13:57:12 jeunes2 Exp $
 
   $Log: zipfile.h,v $
   Revision 1.1.1.1  2007/08/18 13:57:12  jeunes2
   Initial Revision.
 
   Revision 1.1.1.1  1999/12/06 03:09:11  toast
   initial checkin..
 
 
 
   Revision 1.6  1999/05/10 08:33:08  burnsbr
   added UNPACK_UB4 and UNPACK_UB2
 
   Revision 1.5  1999/04/26 02:36:34  burnsbr
   added LOC_EXTRA macro
 
   Revision 1.4  1999/04/23 12:01:19  burnsbr
   added more defines
 
 
*/
 
/*
  zipfile.h - defines for indexing zipfile headers
  Copyright (C) 1999  Bryan Burns
 
  This program 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 to the Free Software
  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
 
#define LOC_EXTRA   6  /* extra bytes */
#define LOC_COMP    8  /* compression method */
#define LOC_MODTIME 10 /* last modification time */
#define LOC_MODDATE 12 /* last modification date */
#define LOC_CRC     14 /* CRC */
#define LOC_CSIZE   18 /* compressed size */
#define LOC_USIZE   22 /* uncompressed size */
#define LOC_FNLEN   26 /* filename length */
#define LOC_EFLEN   28 /* extra-field length */
 
#define CEN_FLAGS    8
#define CEN_COMP    10 /* compression method */
#define CEN_MODTIME 12
#define CEN_MODDATE 14
#define CEN_CRC     16
#define CEN_CSIZE   20
#define CEN_USIZE   24
#define CEN_FNLEN   28
#define CEN_EFLEN   30
#define CEN_COMLEN  32
#define CEN_OFFSET  42
 
 
/* macros */
#define PACK_UB4(d, o, v) d[o] = (ub1)((v) & 0x000000ff); \
                          d[o + 1] = (ub1)(((v) & 0x0000ff00) >> 8); \
                          d[o + 2] = (ub1)(((v) & 0x00ff0000) >> 16); \
                          d[o + 3] = (ub1)(((v) & 0xff000000) >> 24)
 
#define PACK_UB2(d, o, v) d[o] = (ub1)((v) & 0x00ff); \
                          d[o + 1] = (ub1)(((v) & 0xff00) >> 8)
 
#define UNPACK_UB4(s, o) (ub4)s[o] + (((ub4)s[o + 1]) << 8) +\
                         (((ub4)s[o + 2]) << 16) + (((ub4)s[o + 3]) << 24)
 
#define UNPACK_UB2(s, o)  (ub2)s[o] + (((ub2)s[o + 1]) << 8)