zlib-thin.ads

gcc的组建

----------------------------------------------------------------
--  ZLib for Ada thick binding.                               --
--                                                            --
--  Copyright (C) 2002-2003 Dmitriy Anisimkov                 --
--                                                            --
--  Open source license information is in the zlib.ads file.  --
----------------------------------------------------------------

--  $Id: zlib-thin.ads,v 1.11 2004/07/23 06:33:11 vagul Exp $

with Interfaces.C.Strings;

with System;

private package ZLib.Thin is

   --  From zconf.h

   MAX_MEM_LEVEL : constant := 9;         --  zconf.h:105
                                          --  zconf.h:105
   MAX_WBITS : constant := 15;      --  zconf.h:115
                                    --  32K LZ77 window
                                    --  zconf.h:115
   SEEK_SET : constant := 8#0000#;  --  zconf.h:244
                                    --  Seek from beginning of file.
                                    --  zconf.h:244
   SEEK_CUR : constant := 1;        --  zconf.h:245
                                    --  Seek from current position.
                                    --  zconf.h:245
   SEEK_END : constant := 2;        --  zconf.h:246
                                    --  Set file pointer to EOF plus "offset"
                                    --  zconf.h:246

   type Byte is new Interfaces.C.unsigned_char; --  8 bits
                                                --  zconf.h:214
   type UInt is new Interfaces.C.unsigned;      --  16 bits or more
                                                --  zconf.h:216
   type Int is new Interfaces.C.int;

   type ULong is new Interfaces.C.unsigned_long;     --  32 bits or more
                                                     --  zconf.h:217
   subtype Chars_Ptr is Interfaces.C.Strings.chars_ptr;

   type ULong_Access is access ULong;
   type Int_Access is access Int;

   subtype Voidp is System.Address;            --  zconf.h:232

   subtype Byte_Access is Voidp;

   Nul : constant Voidp := System.Null_Address;
   --  end from zconf

   Z_NO_FLUSH : constant := 8#0000#;   --  zlib.h:125
                                       --  zlib.h:125
   Z_PARTIAL_FLUSH : constant := 1;       --  zlib.h:126
                                          --  will be removed, use
                                          --  Z_SYNC_FLUSH instead
                                          --  zlib.h:126
   Z_SYNC_FLUSH : constant := 2;       --  zlib.h:127
                                       --  zlib.h:127
   Z_FULL_FLUSH : constant := 3;       --  zlib.h:128
                                       --  zlib.h:128
   Z_FINISH : constant := 4;        --  zlib.h:129
                                    --  zlib.h:129
   Z_OK : constant := 8#0000#;   --  zlib.h:132
                                 --  zlib.h:132
   Z_STREAM_END : constant := 1;       --  zlib.h:133
                                       --  zlib.h:133
   Z_NEED_DICT : constant := 2;        --  zlib.h:134
                                       --  zlib.h:134
   Z_ERRNO : constant := -1;        --  zlib.h:135
                                    --  zlib.h:135
   Z_STREAM_ERROR : constant := -2;       --  zlib.h:136
                                          --  zlib.h:136
   Z_DATA_ERROR : constant := -3;      --  zlib.h:137
                                       --  zlib.h:137
   Z_MEM_ERROR : constant := -4;       --  zlib.h:138
                                       --  zlib.h:138
   Z_BUF_ERROR : constant := -5;       --  zlib.h:139
                                       --  zlib.h:139
   Z_VERSION_ERROR : constant := -6;      --  zlib.h:140
                                          --  zlib.h:140
   Z_NO_COMPRESSION : constant := 8#0000#;   --  zlib.h:145
                                             --  zlib.h:145
   Z_BEST_SPEED : constant := 1;       --  zlib.h:146
                                       --  zlib.h:146
   Z_BEST_COMPRESSION : constant := 9;       --  zlib.h:147
                                             --  zlib.h:147
   Z_DEFAULT_COMPRESSION : constant := -1;      --  zlib.h:148
                                                --  zlib.h:148
   Z_FILTERED : constant := 1;      --  zlib.h:151
                                    --  zlib.h:151
   Z_HUFFMAN_ONLY : constant := 2;        --  zlib.h:152
                                          --  zlib.h:152
   Z_DEFAULT_STRATEGY : constant := 8#0000#; --  zlib.h:153
                                             --  zlib.h:153
   Z_BINARY : constant := 8#0000#;  --  zlib.h:156
                                    --  zlib.h:156
   Z_ASCII : constant := 1;      --  zlib.h:157
                                 --  zlib.h:157
   Z_UNKNOWN : constant := 2;       --  zlib.h:158
                                    --  zlib.h:158
   Z_DEFLATED : constant := 8;      --  zlib.h:161
                                    --  zlib.h:161
   Z_NULL : constant := 8#0000#; --  zlib.h:164
                                 --  for initializing zalloc, zfree, opaque
                                 --  zlib.h:164
   type gzFile is new Voidp;                  --  zlib.h:646

   type Z_Stream is private;

   type Z_Streamp is access all Z_Stream;     --  zlib.h:89

   type alloc_func is access function
     (Opaque : Voidp;
      Items  : UInt;
      Size   : UInt)
      return Voidp; --  zlib.h:63

   type free_func is access procedure (opaque : Voidp; address : Voidp);

   function zlibVersion return Chars_Ptr;

   function Deflate (strm : Z_Streamp; flush : Int) return Int;

   function DeflateEnd (strm : Z_Streamp) return Int;

   function Inflate (strm : Z_Streamp; flush : Int) return Int;

   function InflateEnd (strm : Z_Streamp) return Int;

   function deflateSetDictionary
     (strm       : Z_Streamp;
      dictionary : Byte_Access;
      dictLength : UInt)
      return       Int;

   function deflateCopy (dest : Z_Streamp; source : Z_Streamp) return Int;
   --  zlib.h:478

   function deflateReset (strm : Z_Streamp) return Int; -- zlib.h:495

   function deflateParams
     (strm     : Z_Streamp;
      level    : Int;
      strategy : Int)
      return     Int;       -- zlib.h:506

   function inflateSetDictionary
     (strm       : Z_Streamp;
      dictionary : Byte_Access;
      dictLength : UInt)
      return       Int; --  zlib.h:548

   function inflateSync (strm : Z_Streamp) return Int;  --  zlib.h:565

   function inflateReset (strm : Z_Streamp) return Int; --  zlib.h:580

   function compress
     (dest      : Byte_Access;
      destLen   : ULong_Access;
      source    : Byte_Access;
      sourceLen : ULong)
      return      Int;           -- zlib.h:601

   function compress2
     (dest      : Byte_Access;
      destLen   : ULong_Access;
      source    : Byte_Access;
      sourceLen : ULong;
      level     : Int)
      return      Int;          -- zlib.h:615

   function uncompress
     (dest      : Byte_Access;
      destLen   : ULong_Access;
      source    : Byte_Access;
      sourceLen : ULong)
      return      Int;

   function gzopen (path : Chars_Ptr; mode : Chars_Ptr) return gzFile;

   function gzdopen (fd : Int; mode : Chars_Ptr) return gzFile;

   function gzsetparams
     (file     : gzFile;
      level    : Int;
      strategy : Int)
      return     Int;

   function gzread
     (file : gzFile;
      buf  : Voidp;
      len  : UInt)
      return Int;

   function gzwrite
     (file : in gzFile;
      buf  : in Voidp;
      len  : in UInt)
      return Int;

   function gzprintf (file : in gzFile; format : in Chars_Ptr) return Int;

   function gzputs (file : in gzFile; s : in Chars_Ptr) return Int;

   function gzgets
     (file : gzFile;
      buf  : Chars_Ptr;
      len  : Int)
      return Chars_Ptr;

   function gzputc (file : gzFile; char : Int) return Int;

   function gzgetc (file : gzFile) return Int;

   function gzflush (file : gzFile; flush : Int) return Int;

   function gzseek
     (file   : gzFile;
      offset : Int;
      whence : Int)
      return   Int;

   function gzrewind (file : gzFile) return Int;