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zutils.h

/****************** Start of $RCSfile: zutils.h,v $  ****************
*
* $Source: /home/alb/afbackup/afbackup-3.3.8beta7/RCS/zutils.h,v $
* $Id: zutils.h,v 1.2 2004/07/08 20:34:47 alb Exp alb $
* $Date: 2004/07/08 20:34:47 $
* $Author: alb $
*
*
******* description ***********************************************
*
*
*
*******************************************************************/

#ifndef     __ZUTILS_H
#define     __ZUTILS_H  __ZUTILS_H

#ifdef      USE_ZLIB

#include <zlib.h>

#define     Z_UNINITIALIZED         0
#define     Z_INIT_FOR_INFLATE      1
#define     Z_INIT_FOR_DEFLATE      2

typedef     struct ZFile_s    {
  Int8            initialized;
  Int32           level;
  Int32           maxblock;
  int       fd;
  Flag            compr_done;
  Flag            file_exh;
  Int32           numblock;
  z_stream  z_stream;
  UChar           filebuf[0x2000];
} ZFile;

#define     ZFILE_INIT  {                 \
                  Z_UNINITIALIZED,  \
                  (Int32) 0,        \
                  (Int32) 0,        \
                  (int) -1,         \
                  NO,               \
                  NO,               \
                  (Int32) 0,        \
                  }

#define     zfile_init(zf)    { ZFile zfile_i = ZFILE_INIT; \
                    memset(&(zfile_i.z_stream), 0, sizeof(z_stream)); \
                    memset(&(zfile_i.filebuf), 0, sizeof(zfile_i.filebuf)); \
                    memcpy((zf), &zfile_i, sizeof(zfile_i)); }

extern      Int32 reset_zfile(ZFile *);
extern      Int32 open_file_zip(ZFile *, int, Int32, Int32);
extern      Int32 open_file_unzip(ZFile *, int);
extern      Int32 read_file_zip(ZFile *, UChar *, Int32,
                              Int32 (*)(int, UChar *, Int32));
extern      Int32 write_file_unzip(ZFile *, UChar *, Int32, Flag,
                              Int32 (*)(int, UChar *, Int32));
extern      void  close_file_zip(ZFile *);

#endif      /* defined(USE_ZLIB) */

#endif      /* !defined(__ZUTILS_H) */

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