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+----------------------------------------------------------------
+-- ZLib for Ada thick binding. --
+-- --
+-- Copyright (C) 2002-2003 Dmitriy Anisimkov --
+-- --
+-- Open source license information is in the zlib.ads file. --
+----------------------------------------------------------------
+
+-- $Id: zlib-thin.adb,v 1.1 2008/12/19 14:44:49 dkf Exp $
+
+package body ZLib.Thin is
+
+ ZLIB_VERSION : constant Chars_Ptr := zlibVersion;
+
+ Z_Stream_Size : constant Int := Z_Stream'Size / System.Storage_Unit;
+
+ --------------
+ -- Avail_In --
+ --------------
+
+ function Avail_In (Strm : in Z_Stream) return UInt is
+ begin
+ return Strm.Avail_In;
+ end Avail_In;
+
+ ---------------
+ -- Avail_Out --
+ ---------------
+
+ function Avail_Out (Strm : in Z_Stream) return UInt is
+ begin
+ return Strm.Avail_Out;
+ end Avail_Out;
+
+ ------------------
+ -- Deflate_Init --
+ ------------------
+
+ function Deflate_Init
+ (strm : Z_Streamp;
+ level : Int;
+ method : Int;
+ windowBits : Int;
+ memLevel : Int;
+ strategy : Int)
+ return Int is
+ begin
+ return deflateInit2
+ (strm,
+ level,
+ method,
+ windowBits,
+ memLevel,
+ strategy,
+ ZLIB_VERSION,
+ Z_Stream_Size);
+ end Deflate_Init;
+
+ ------------------
+ -- Inflate_Init --
+ ------------------
+
+ function Inflate_Init (strm : Z_Streamp; windowBits : Int) return Int is
+ begin
+ return inflateInit2 (strm, windowBits, ZLIB_VERSION, Z_Stream_Size);
+ end Inflate_Init;
+
+ ------------------------
+ -- Last_Error_Message --
+ ------------------------
+
+ function Last_Error_Message (Strm : in Z_Stream) return String is
+ use Interfaces.C.Strings;
+ begin
+ if Strm.msg = Null_Ptr then
+ return "";
+ else
+ return Value (Strm.msg);
+ end if;
+ end Last_Error_Message;
+
+ ------------
+ -- Set_In --
+ ------------
+
+ procedure Set_In
+ (Strm : in out Z_Stream;
+ Buffer : in Voidp;
+ Size : in UInt) is
+ begin
+ Strm.Next_In := Buffer;
+ Strm.Avail_In := Size;
+ end Set_In;
+
+ ------------------
+ -- Set_Mem_Func --
+ ------------------
+
+ procedure Set_Mem_Func
+ (Strm : in out Z_Stream;
+ Opaque : in Voidp;
+ Alloc : in alloc_func;
+ Free : in free_func) is
+ begin
+ Strm.opaque := Opaque;
+ Strm.zalloc := Alloc;
+ Strm.zfree := Free;
+ end Set_Mem_Func;
+
+ -------------
+ -- Set_Out --
+ -------------
+
+ procedure Set_Out
+ (Strm : in out Z_Stream;
+ Buffer : in Voidp;
+ Size : in UInt) is
+ begin
+ Strm.Next_Out := Buffer;
+ Strm.Avail_Out := Size;
+ end Set_Out;
+
+ --------------
+ -- Total_In --
+ --------------
+
+ function Total_In (Strm : in Z_Stream) return ULong is
+ begin
+ return Strm.Total_In;
+ end Total_In;
+
+ ---------------
+ -- Total_Out --
+ ---------------
+
+ function Total_Out (Strm : in Z_Stream) return ULong is
+ begin
+ return Strm.Total_Out;
+ end Total_Out;
+
+end ZLib.Thin;