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142 lines
3.3 KiB
Ada
142 lines
3.3 KiB
Ada
----------------------------------------------------------------
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-- ZLib for Ada thick binding. --
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-- --
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-- Copyright (C) 2002-2003 Dmitriy Anisimkov --
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-- --
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-- Open source license information is in the zlib.ads file. --
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----------------------------------------------------------------
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-- $Id: zlib-thin.adb,v 1.8 2003/12/14 18:27:31 vagul Exp $
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package body ZLib.Thin is
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ZLIB_VERSION : constant Chars_Ptr := zlibVersion;
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Z_Stream_Size : constant Int := Z_Stream'Size / System.Storage_Unit;
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--------------
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-- Avail_In --
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--------------
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function Avail_In (Strm : in Z_Stream) return UInt is
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begin
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return Strm.Avail_In;
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end Avail_In;
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---------------
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-- Avail_Out --
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---------------
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function Avail_Out (Strm : in Z_Stream) return UInt is
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begin
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return Strm.Avail_Out;
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end Avail_Out;
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------------------
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-- Deflate_Init --
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------------------
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function Deflate_Init
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(strm : Z_Streamp;
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level : Int;
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method : Int;
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windowBits : Int;
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memLevel : Int;
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strategy : Int)
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return Int is
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begin
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return deflateInit2
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(strm,
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level,
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method,
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windowBits,
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memLevel,
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strategy,
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ZLIB_VERSION,
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Z_Stream_Size);
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end Deflate_Init;
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------------------
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-- Inflate_Init --
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------------------
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function Inflate_Init (strm : Z_Streamp; windowBits : Int) return Int is
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begin
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return inflateInit2 (strm, windowBits, ZLIB_VERSION, Z_Stream_Size);
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end Inflate_Init;
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------------------------
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-- Last_Error_Message --
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------------------------
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function Last_Error_Message (Strm : in Z_Stream) return String is
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use Interfaces.C.Strings;
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begin
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if Strm.msg = Null_Ptr then
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return "";
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else
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return Value (Strm.msg);
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end if;
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end Last_Error_Message;
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------------
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-- Set_In --
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------------
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procedure Set_In
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(Strm : in out Z_Stream;
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Buffer : in Voidp;
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Size : in UInt) is
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begin
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Strm.Next_In := Buffer;
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Strm.Avail_In := Size;
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end Set_In;
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------------------
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-- Set_Mem_Func --
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------------------
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procedure Set_Mem_Func
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(Strm : in out Z_Stream;
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Opaque : in Voidp;
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Alloc : in alloc_func;
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Free : in free_func) is
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begin
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Strm.opaque := Opaque;
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Strm.zalloc := Alloc;
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Strm.zfree := Free;
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end Set_Mem_Func;
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-------------
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-- Set_Out --
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-------------
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procedure Set_Out
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(Strm : in out Z_Stream;
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Buffer : in Voidp;
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Size : in UInt) is
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begin
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Strm.Next_Out := Buffer;
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Strm.Avail_Out := Size;
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end Set_Out;
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--------------
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-- Total_In --
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--------------
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function Total_In (Strm : in Z_Stream) return ULong is
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begin
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return Strm.Total_In;
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end Total_In;
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---------------
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-- Total_Out --
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---------------
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function Total_Out (Strm : in Z_Stream) return ULong is
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begin
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return Strm.Total_Out;
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end Total_Out;
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end ZLib.Thin;
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