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---------------------------------------------------------------- |
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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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|
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-- $Id: zlib-thin.adb,v 1.8 2003/12/14 18:27:31 vagul Exp $ |
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|
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package body ZLib.Thin is |
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|
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ZLIB_VERSION : constant Chars_Ptr := zlibVersion; |
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|
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Z_Stream_Size : constant Int := Z_Stream'Size / System.Storage_Unit; |
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|
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-------------- |
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-- Avail_In -- |
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-------------- |
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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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--------------- |
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-- Avail_Out -- |
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--------------- |
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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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------------------ |
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-- Deflate_Init -- |
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------------------ |
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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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------------------ |
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-- Inflate_Init -- |
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------------------ |
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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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------------------------ |
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-- Last_Error_Message -- |
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------------------------ |
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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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------------ |
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-- Set_In -- |
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------------ |
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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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------------------ |
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-- Set_Mem_Func -- |
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------------------ |
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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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------------- |
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-- Set_Out -- |
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------------- |
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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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-------------- |
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-- Total_In -- |
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-------------- |
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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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--------------- |
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-- Total_Out -- |
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--------------- |
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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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|
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end ZLib.Thin; |
