/*
  * Author: 
  *      Guido Draheim <guidod@gmx.de>
  *      Tomi Ollila <Tomi.Ollila@iki.fi>
  *
  *      Copyright (c) 1999,2000,2001,2002 Guido Draheim
  *          All rights reserved
  *          use under the restrictions of the
  *          Lesser GNU General Public License
  *          note the additional license information 
  *          that can be found in COPYING.ZZIP
  *
  * This is the private header containing definitions that are not
  * use by a libzzip user application. Writing an extension lib that
  * uses libzzip will still want to include this. The extension
  * write should make way to have the ISO C9X integer types defined.
  */
 #ifndef _ZZIP_LIB_H /* zzip.h */
 #define _ZZIP_LIB_H
 
 #include <zziplib.h>
 #include <zzip-io.h>

 #include "cltypes.h"

 
 /*
  * this structure cannot be wildly enlarged... (see zzip-zip.c)
  */
 struct zzip_dir_hdr
 {

     uint32_t    d_usize;        /* uncompressed size */
     uint32_t    d_csize;        /* compressed size */
     uint32_t    d_crc32;        /* the adler32-checksum */
     uint32_t    d_off;          /* offset of file in zipfile */
     uint16_t    d_reclen;       /* next dir_hdr structure offset */
     uint16_t    d_namlen;       /* explicit namelen of d_name */
     uint8_t     d_compr;        /* the compression type, 0 = store, 8 = inflate */
     uint16_t	d_flags;	/* general purpose flags */

     char        d_name[1];      /* the actual name of the entry, may contain DIRSEPs */
 };
 #define _ZZIP_DIRENT_HAVE_D_NAMLEN
 #define _ZZIP_DIRENT_HAVE_D_OFF
 #define _ZZIP_DIRENT_HAVE_D_RECLEN
 
 /*
  * you shall not use this struct anywhere else than in zziplib sources.
  */
 struct zzip_dir
 {
     int fd;
     int errcode; /* zzip_error_t */
     long refcount;
     struct {
         struct zzip_file * fp;  /* reduce a lot of alloc/deallocations by */
         char * buf32k;         /* caching one entry of these data structures */
     } cache;
     struct zzip_dir_hdr * hdr0;  /* zfi; */
     struct zzip_dir_hdr * hdr;   /* zdp; directory pointer, for dirent stuff */
     struct zzip_file * currentfp; /* last fp used... */
     struct zzip_dirent dirent;
     void*  realdir;               /* e.g. DIR* from posix dirent.h */
     char*  realname;
     zzip_strings_t* fileext;      /* list of fileext to test for */
     zzip_plugin_io_t io;          /* vtable for io routines */
 }; 
 
 #define ZZIP_32K 32768
 
 /* try to open a zip-basename with default_fileext */
 int      __zzip_try_open (zzip_char_t* filename, int filemode,
                           zzip_strings_t* ext, zzip_plugin_io_t io);
 
 ZZIP_DIR * 
 zzip_dir_fdopen(int fd, zzip_error_t * errcode_p);
 
 ZZIP_DIR* 
 zzip_dir_fdopen_ext_io(int fd, zzip_error_t * errorcode_p,
                        zzip_strings_t* ext, const zzip_plugin_io_t io);
 

 ZZIP_DIR* /*depracated*/
 zzip_dir_alloc_ext_io (zzip_strings_t* ext, const zzip_plugin_io_t io);
 

 /* get 16/32 bits from little-endian zip-file to host byteorder */

 uint32_t __zzip_get32(unsigned char * s);
 uint16_t __zzip_get16(unsigned char * s);

 
 #ifdef __i386__

 #define ZZIP_GET32(x) (*(uint32_t*)(x))
 #define ZZIP_GET16(x) (*(uint16_t*)(x))

 #else
 #define ZZIP_GET32(x) (__zzip_get32(x))
 #define ZZIP_GET16(x) (__zzip_get16(x))
 #endif
 
 #endif /* _ZZIP_H */