diff options
Diffstat (limited to 'cpukit/zlib/contrib/ada')
| -rw-r--r-- | cpukit/zlib/contrib/ada/buffer_demo.adb | 106 | ||||
| -rw-r--r-- | cpukit/zlib/contrib/ada/mtest.adb | 156 | ||||
| -rw-r--r-- | cpukit/zlib/contrib/ada/read.adb | 156 | ||||
| -rw-r--r-- | cpukit/zlib/contrib/ada/readme.txt | 65 | ||||
| -rw-r--r-- | cpukit/zlib/contrib/ada/test.adb | 463 | ||||
| -rw-r--r-- | cpukit/zlib/contrib/ada/zlib-streams.adb | 225 | ||||
| -rw-r--r-- | cpukit/zlib/contrib/ada/zlib-streams.ads | 114 | ||||
| -rw-r--r-- | cpukit/zlib/contrib/ada/zlib-thin.adb | 141 | ||||
| -rw-r--r-- | cpukit/zlib/contrib/ada/zlib-thin.ads | 450 | ||||
| -rw-r--r-- | cpukit/zlib/contrib/ada/zlib.adb | 701 | ||||
| -rw-r--r-- | cpukit/zlib/contrib/ada/zlib.ads | 328 | ||||
| -rw-r--r-- | cpukit/zlib/contrib/ada/zlib.gpr | 20 |
12 files changed, 0 insertions, 2925 deletions
diff --git a/cpukit/zlib/contrib/ada/buffer_demo.adb b/cpukit/zlib/contrib/ada/buffer_demo.adb deleted file mode 100644 index cd63fa48f8..0000000000 --- a/cpukit/zlib/contrib/ada/buffer_demo.adb +++ /dev/null @@ -1,106 +0,0 @@ ----------------------------------------------------------------- --- ZLib for Ada thick binding. -- --- -- --- Copyright (C) 2002-2004 Dmitriy Anisimkov -- --- -- --- Open source license information is in the zlib.ads file. -- ----------------------------------------------------------------- --- --- $Id$ - --- This demo program provided by Dr Steve Sangwine <sjs@essex.ac.uk> --- --- Demonstration of a problem with Zlib-Ada (already fixed) when a buffer --- of exactly the correct size is used for decompressed data, and the last --- few bytes passed in to Zlib are checksum bytes. - --- This program compresses a string of text, and then decompresses the --- compressed text into a buffer of the same size as the original text. - -with Ada.Streams; use Ada.Streams; -with Ada.Text_IO; - -with ZLib; use ZLib; - -procedure Buffer_Demo is - EOL : Character renames ASCII.LF; - Text : constant String - := "Four score and seven years ago our fathers brought forth," & EOL & - "upon this continent, a new nation, conceived in liberty," & EOL & - "and dedicated to the proposition that `all men are created equal'."; - - Source : Stream_Element_Array (1 .. Text'Length); - for Source'Address use Text'Address; - -begin - Ada.Text_IO.Put (Text); - Ada.Text_IO.New_Line; - Ada.Text_IO.Put_Line - ("Uncompressed size : " & Positive'Image (Text'Length) & " bytes"); - - declare - Compressed_Data : Stream_Element_Array (1 .. Text'Length); - L : Stream_Element_Offset; - begin - Compress : declare - Compressor : Filter_Type; - I : Stream_Element_Offset; - begin - Deflate_Init (Compressor); - - -- Compress the whole of T at once. - - Translate (Compressor, Source, I, Compressed_Data, L, Finish); - pragma Assert (I = Source'Last); - - Close (Compressor); - - Ada.Text_IO.Put_Line - ("Compressed size : " - & Stream_Element_Offset'Image (L) & " bytes"); - end Compress; - - -- Now we decompress the data, passing short blocks of data to Zlib - -- (because this demonstrates the problem - the last block passed will - -- contain checksum information and there will be no output, only a - -- check inside Zlib that the checksum is correct). - - Decompress : declare - Decompressor : Filter_Type; - - Uncompressed_Data : Stream_Element_Array (1 .. Text'Length); - - Block_Size : constant := 4; - -- This makes sure that the last block contains - -- only Adler checksum data. - - P : Stream_Element_Offset := Compressed_Data'First - 1; - O : Stream_Element_Offset; - begin - Inflate_Init (Decompressor); - - loop - Translate - (Decompressor, - Compressed_Data - (P + 1 .. Stream_Element_Offset'Min (P + Block_Size, L)), - P, - Uncompressed_Data - (Total_Out (Decompressor) + 1 .. Uncompressed_Data'Last), - O, - No_Flush); - - Ada.Text_IO.Put_Line - ("Total in : " & Count'Image (Total_In (Decompressor)) & - ", out : " & Count'Image (Total_Out (Decompressor))); - - exit when P = L; - end loop; - - Ada.Text_IO.New_Line; - Ada.Text_IO.Put_Line - ("Decompressed text matches original text : " - & Boolean'Image (Uncompressed_Data = Source)); - end Decompress; - end; -end Buffer_Demo; diff --git a/cpukit/zlib/contrib/ada/mtest.adb b/cpukit/zlib/contrib/ada/mtest.adb deleted file mode 100644 index 5f17228cd2..0000000000 --- a/cpukit/zlib/contrib/ada/mtest.adb +++ /dev/null @@ -1,156 +0,0 @@ ----------------------------------------------------------------- --- ZLib for Ada thick binding. -- --- -- --- Copyright (C) 2002-2003 Dmitriy Anisimkov -- --- -- --- Open source license information is in the zlib.ads file. -- ----------------------------------------------------------------- --- Continuous test for ZLib multithreading. If the test would fail --- we should provide thread safe allocation routines for the Z_Stream. --- --- $Id$ - -with ZLib; -with Ada.Streams; -with Ada.Numerics.Discrete_Random; -with Ada.Text_IO; -with Ada.Exceptions; -with Ada.Task_Identification; - -procedure MTest is - use Ada.Streams; - use ZLib; - - Stop : Boolean := False; - - pragma Atomic (Stop); - - subtype Visible_Symbols is Stream_Element range 16#20# .. 16#7E#; - - package Random_Elements is - new Ada.Numerics.Discrete_Random (Visible_Symbols); - - task type Test_Task; - - task body Test_Task is - Buffer : Stream_Element_Array (1 .. 100_000); - Gen : Random_Elements.Generator; - - Buffer_First : Stream_Element_Offset; - Compare_First : Stream_Element_Offset; - - Deflate : Filter_Type; - Inflate : Filter_Type; - - procedure Further (Item : in Stream_Element_Array); - - procedure Read_Buffer - (Item : out Ada.Streams.Stream_Element_Array; - Last : out Ada.Streams.Stream_Element_Offset); - - ------------- - -- Further -- - ------------- - - procedure Further (Item : in Stream_Element_Array) is - - procedure Compare (Item : in Stream_Element_Array); - - ------------- - -- Compare -- - ------------- - - procedure Compare (Item : in Stream_Element_Array) is - Next_First : Stream_Element_Offset := Compare_First + Item'Length; - begin - if Buffer (Compare_First .. Next_First - 1) /= Item then - raise Program_Error; - end if; - - Compare_First := Next_First; - end Compare; - - procedure Compare_Write is new ZLib.Write (Write => Compare); - begin - Compare_Write (Inflate, Item, No_Flush); - end Further; - - ----------------- - -- Read_Buffer -- - ----------------- - - procedure Read_Buffer - (Item : out Ada.Streams.Stream_Element_Array; - Last : out Ada.Streams.Stream_Element_Offset) - is - Buff_Diff : Stream_Element_Offset := Buffer'Last - Buffer_First; - Next_First : Stream_Element_Offset; - begin - if Item'Length <= Buff_Diff then - Last := Item'Last; - - Next_First := Buffer_First + Item'Length; - - Item := Buffer (Buffer_First .. Next_First - 1); - - Buffer_First := Next_First; - else - Last := Item'First + Buff_Diff; - Item (Item'First .. Last) := Buffer (Buffer_First .. Buffer'Last); - Buffer_First := Buffer'Last + 1; - end if; - end Read_Buffer; - - procedure Translate is new Generic_Translate - (Data_In => Read_Buffer, - Data_Out => Further); - - begin - Random_Elements.Reset (Gen); - - Buffer := (others => 20); - - Main : loop - for J in Buffer'Range loop - Buffer (J) := Random_Elements.Random (Gen); - - Deflate_Init (Deflate); - Inflate_Init (Inflate); - - Buffer_First := Buffer'First; - Compare_First := Buffer'First; - - Translate (Deflate); - - if Compare_First /= Buffer'Last + 1 then - raise Program_Error; - end if; - - Ada.Text_IO.Put_Line - (Ada.Task_Identification.Image - (Ada.Task_Identification.Current_Task) - & Stream_Element_Offset'Image (J) - & ZLib.Count'Image (Total_Out (Deflate))); - - Close (Deflate); - Close (Inflate); - - exit Main when Stop; - end loop; - end loop Main; - exception - when E : others => - Ada.Text_IO.Put_Line (Ada.Exceptions.Exception_Information (E)); - Stop := True; - end Test_Task; - - Test : array (1 .. 4) of Test_Task; - - pragma Unreferenced (Test); - - Dummy : Character; - -begin - Ada.Text_IO.Get_Immediate (Dummy); - Stop := True; -end MTest; diff --git a/cpukit/zlib/contrib/ada/read.adb b/cpukit/zlib/contrib/ada/read.adb deleted file mode 100644 index 00effd7209..0000000000 --- a/cpukit/zlib/contrib/ada/read.adb +++ /dev/null @@ -1,156 +0,0 @@ ----------------------------------------------------------------- --- ZLib for Ada thick binding. -- --- -- --- Copyright (C) 2002-2003 Dmitriy Anisimkov -- --- -- --- Open source license information is in the zlib.ads file. -- ----------------------------------------------------------------- - --- $Id$ - --- Test/demo program for the generic read interface. - -with Ada.Numerics.Discrete_Random; -with Ada.Streams; -with Ada.Text_IO; - -with ZLib; - -procedure Read is - - use Ada.Streams; - - ------------------------------------ - -- Test configuration parameters -- - ------------------------------------ - - File_Size : Stream_Element_Offset := 100_000; - - Continuous : constant Boolean := False; - -- If this constant is True, the test would be repeated again and again, - -- with increment File_Size for every iteration. - - Header : constant ZLib.Header_Type := ZLib.Default; - -- Do not use Header other than Default in ZLib versions 1.1.4 and older. - - Init_Random : constant := 8; - -- We are using the same random sequence, in case of we catch bug, - -- so we would be able to reproduce it. - - -- End -- - - Pack_Size : Stream_Element_Offset; - Offset : Stream_Element_Offset; - - Filter : ZLib.Filter_Type; - - subtype Visible_Symbols - is Stream_Element range 16#20# .. 16#7E#; - - package Random_Elements is new - Ada.Numerics.Discrete_Random (Visible_Symbols); - - Gen : Random_Elements.Generator; - Period : constant Stream_Element_Offset := 200; - -- Period constant variable for random generator not to be very random. - -- Bigger period, harder random. - - Read_Buffer : Stream_Element_Array (1 .. 2048); - Read_First : Stream_Element_Offset; - Read_Last : Stream_Element_Offset; - - procedure Reset; - - procedure Read - (Item : out Stream_Element_Array; - Last : out Stream_Element_Offset); - -- this procedure is for generic instantiation of - -- ZLib.Read - -- reading data from the File_In. - - procedure Read is new ZLib.Read - (Read, - Read_Buffer, - Rest_First => Read_First, - Rest_Last => Read_Last); - - ---------- - -- Read -- - ---------- - - procedure Read - (Item : out Stream_Element_Array; - Last : out Stream_Element_Offset) is - begin - Last := Stream_Element_Offset'Min - (Item'Last, - Item'First + File_Size - Offset); - - for J in Item'First .. Last loop - if J < Item'First + Period then - Item (J) := Random_Elements.Random (Gen); - else - Item (J) := Item (J - Period); - end if; - - Offset := Offset + 1; - end loop; - end Read; - - ----------- - -- Reset -- - ----------- - - procedure Reset is - begin - Random_Elements.Reset (Gen, Init_Random); - Pack_Size := 0; - Offset := 1; - Read_First := Read_Buffer'Last + 1; - Read_Last := Read_Buffer'Last; - end Reset; - -begin - Ada.Text_IO.Put_Line ("ZLib " & ZLib.Version); - - loop - for Level in ZLib.Compression_Level'Range loop - - Ada.Text_IO.Put ("Level =" - & ZLib.Compression_Level'Image (Level)); - - -- Deflate using generic instantiation. - - ZLib.Deflate_Init - (Filter, - Level, - Header => Header); - - Reset; - - Ada.Text_IO.Put - (Stream_Element_Offset'Image (File_Size) & " ->"); - - loop - declare - Buffer : Stream_Element_Array (1 .. 1024); - Last : Stream_Element_Offset; - begin - Read (Filter, Buffer, Last); - - Pack_Size := Pack_Size + Last - Buffer'First + 1; - - exit when Last < Buffer'Last; - end; - end loop; - - Ada.Text_IO.Put_Line (Stream_Element_Offset'Image (Pack_Size)); - - ZLib.Close (Filter); - end loop; - - exit when not Continuous; - - File_Size := File_Size + 1; - end loop; -end Read; diff --git a/cpukit/zlib/contrib/ada/readme.txt b/cpukit/zlib/contrib/ada/readme.txt deleted file mode 100644 index ce4d2cadf0..0000000000 --- a/cpukit/zlib/contrib/ada/readme.txt +++ /dev/null @@ -1,65 +0,0 @@ - ZLib for Ada thick binding (ZLib.Ada) - Release 1.3 - -ZLib.Ada is a thick binding interface to the popular ZLib data -compression library, available at http://www.gzip.org/zlib/. -It provides Ada-style access to the ZLib C library. - - - Here are the main changes since ZLib.Ada 1.2: - -- Attension: ZLib.Read generic routine have a initialization requirement - for Read_Last parameter now. It is a bit incompartible with previous version, - but extends functionality, we could use new parameters Allow_Read_Some and - Flush now. - -- Added Is_Open routines to ZLib and ZLib.Streams packages. - -- Add pragma Assert to check Stream_Element is 8 bit. - -- Fix extraction to buffer with exact known decompressed size. Error reported by - Steve Sangwine. - -- Fix definition of ULong (changed to unsigned_long), fix regression on 64 bits - computers. Patch provided by Pascal Obry. - -- Add Status_Error exception definition. - -- Add pragma Assertion that Ada.Streams.Stream_Element size is 8 bit. - - - How to build ZLib.Ada under GNAT - -You should have the ZLib library already build on your computer, before -building ZLib.Ada. Make the directory of ZLib.Ada sources current and -issue the command: - - gnatmake test -largs -L<directory where libz.a is> -lz - -Or use the GNAT project file build for GNAT 3.15 or later: - - gnatmake -Pzlib.gpr -L<directory where libz.a is> - - - How to build ZLib.Ada under Aonix ObjectAda for Win32 7.2.2 - -1. Make a project with all *.ads and *.adb files from the distribution. -2. Build the libz.a library from the ZLib C sources. -3. Rename libz.a to z.lib. -4. Add the library z.lib to the project. -5. Add the libc.lib library from the ObjectAda distribution to the project. -6. Build the executable using test.adb as a main procedure. - - - How to use ZLib.Ada - -The source files test.adb and read.adb are small demo programs that show -the main functionality of ZLib.Ada. - -The routines from the package specifications are commented. - - -Homepage: http://zlib-ada.sourceforge.net/ -Author: Dmitriy Anisimkov <anisimkov@yahoo.com> - -Contributors: Pascal Obry <pascal@obry.org>, Steve Sangwine <sjs@essex.ac.uk> diff --git a/cpukit/zlib/contrib/ada/test.adb b/cpukit/zlib/contrib/ada/test.adb deleted file mode 100644 index 8444647144..0000000000 --- a/cpukit/zlib/contrib/ada/test.adb +++ /dev/null @@ -1,463 +0,0 @@ ----------------------------------------------------------------- --- ZLib for Ada thick binding. -- --- -- --- Copyright (C) 2002-2003 Dmitriy Anisimkov -- --- -- --- Open source license information is in the zlib.ads file. -- ----------------------------------------------------------------- - --- $Id$ - --- The program has a few aims. --- 1. Test ZLib.Ada95 thick binding functionality. --- 2. Show the example of use main functionality of the ZLib.Ada95 binding. --- 3. Build this program automatically compile all ZLib.Ada95 packages under --- GNAT Ada95 compiler. - -with ZLib.Streams; -with Ada.Streams.Stream_IO; -with Ada.Numerics.Discrete_Random; - -with Ada.Text_IO; - -with Ada.Calendar; - -procedure Test is - - use Ada.Streams; - use Stream_IO; - - ------------------------------------ - -- Test configuration parameters -- - ------------------------------------ - - File_Size : Count := 100_000; - Continuous : constant Boolean := False; - - Header : constant ZLib.Header_Type := ZLib.Default; - -- ZLib.None; - -- ZLib.Auto; - -- ZLib.GZip; - -- Do not use Header other then Default in ZLib versions 1.1.4 - -- and older. - - Strategy : constant ZLib.Strategy_Type := ZLib.Default_Strategy; - Init_Random : constant := 10; - - -- End -- - - In_File_Name : constant String := "testzlib.in"; - -- Name of the input file - - Z_File_Name : constant String := "testzlib.zlb"; - -- Name of the compressed file. - - Out_File_Name : constant String := "testzlib.out"; - -- Name of the decompressed file. - - File_In : File_Type; - File_Out : File_Type; - File_Back : File_Type; - File_Z : ZLib.Streams.Stream_Type; - - Filter : ZLib.Filter_Type; - - Time_Stamp : Ada.Calendar.Time; - - procedure Generate_File; - -- Generate file of spetsified size with some random data. - -- The random data is repeatable, for the good compression. - - procedure Compare_Streams - (Left, Right : in out Root_Stream_Type'Class); - -- The procedure compearing data in 2 streams. - -- It is for compare data before and after compression/decompression. - - procedure Compare_Files (Left, Right : String); - -- Compare files. Based on the Compare_Streams. - - procedure Copy_Streams - (Source, Target : in out Root_Stream_Type'Class; - Buffer_Size : in Stream_Element_Offset := 1024); - -- Copying data from one stream to another. It is for test stream - -- interface of the library. - - procedure Data_In - (Item : out Stream_Element_Array; - Last : out Stream_Element_Offset); - -- this procedure is for generic instantiation of - -- ZLib.Generic_Translate. - -- reading data from the File_In. - - procedure Data_Out (Item : in Stream_Element_Array); - -- this procedure is for generic instantiation of - -- ZLib.Generic_Translate. - -- writing data to the File_Out. - - procedure Stamp; - -- Store the timestamp to the local variable. - - procedure Print_Statistic (Msg : String; Data_Size : ZLib.Count); - -- Print the time statistic with the message. - - procedure Translate is new ZLib.Generic_Translate - (Data_In => Data_In, - Data_Out => Data_Out); - -- This procedure is moving data from File_In to File_Out - -- with compression or decompression, depend on initialization of - -- Filter parameter. - - ------------------- - -- Compare_Files -- - ------------------- - - procedure Compare_Files (Left, Right : String) is - Left_File, Right_File : File_Type; - begin - Open (Left_File, In_File, Left); - Open (Right_File, In_File, Right); - Compare_Streams (Stream (Left_File).all, Stream (Right_File).all); - Close (Left_File); - Close (Right_File); - end Compare_Files; - - --------------------- - -- Compare_Streams -- - --------------------- - - procedure Compare_Streams - (Left, Right : in out Ada.Streams.Root_Stream_Type'Class) - is - Left_Buffer, Right_Buffer : Stream_Element_Array (0 .. 16#FFF#); - Left_Last, Right_Last : Stream_Element_Offset; - begin - loop - Read (Left, Left_Buffer, Left_Last); - Read (Right, Right_Buffer, Right_Last); - - if Left_Last /= Right_Last then - Ada.Text_IO.Put_Line ("Compare error :" - & Stream_Element_Offset'Image (Left_Last) - & " /= " - & Stream_Element_Offset'Image (Right_Last)); - - raise Constraint_Error; - - elsif Left_Buffer (0 .. Left_Last) - /= Right_Buffer (0 .. Right_Last) - then - Ada.Text_IO.Put_Line ("ERROR: IN and OUT files is not equal."); - raise Constraint_Error; - - end if; - - exit when Left_Last < Left_Buffer'Last; - end loop; - end Compare_Streams; - - ------------------ - -- Copy_Streams -- - ------------------ - - procedure Copy_Streams - (Source, Target : in out Ada.Streams.Root_Stream_Type'Class; - Buffer_Size : in Stream_Element_Offset := 1024) - is - Buffer : Stream_Element_Array (1 .. Buffer_Size); - Last : Stream_Element_Offset; - begin - loop - Read (Source, Buffer, Last); - Write (Target, Buffer (1 .. Last)); - - exit when Last < Buffer'Last; - end loop; - end Copy_Streams; - - ------------- - -- Data_In -- - ------------- - - procedure Data_In - (Item : out Stream_Element_Array; - Last : out Stream_Element_Offset) is - begin - Read (File_In, Item, Last); - end Data_In; - - -------------- - -- Data_Out -- - -------------- - - procedure Data_Out (Item : in Stream_Element_Array) is - begin - Write (File_Out, Item); - end Data_Out; - - ------------------- - -- Generate_File -- - ------------------- - - procedure Generate_File is - subtype Visible_Symbols is Stream_Element range 16#20# .. 16#7E#; - - package Random_Elements is - new Ada.Numerics.Discrete_Random (Visible_Symbols); - - Gen : Random_Elements.Generator; - Buffer : Stream_Element_Array := (1 .. 77 => 16#20#) & 10; - - Buffer_Count : constant Count := File_Size / Buffer'Length; - -- Number of same buffers in the packet. - - Density : constant Count := 30; -- from 0 to Buffer'Length - 2; - - procedure Fill_Buffer (J, D : in Count); - -- Change the part of the buffer. - - ----------------- - -- Fill_Buffer -- - ----------------- - - procedure Fill_Buffer (J, D : in Count) is - begin - for K in 0 .. D loop - Buffer - (Stream_Element_Offset ((J + K) mod (Buffer'Length - 1) + 1)) - := Random_Elements.Random (Gen); - - end loop; - end Fill_Buffer; - - begin - Random_Elements.Reset (Gen, Init_Random); - - Create (File_In, Out_File, In_File_Name); - - Fill_Buffer (1, Buffer'Length - 2); - - for J in 1 .. Buffer_Count loop - Write (File_In, Buffer); - - Fill_Buffer (J, Density); - end loop; - - -- fill remain size. - - Write - (File_In, - Buffer - (1 .. Stream_Element_Offset - (File_Size - Buffer'Length * Buffer_Count))); - - Flush (File_In); - Close (File_In); - end Generate_File; - - --------------------- - -- Print_Statistic -- - --------------------- - - procedure Print_Statistic (Msg : String; Data_Size : ZLib.Count) is - use Ada.Calendar; - use Ada.Text_IO; - - package Count_IO is new Integer_IO (ZLib.Count); - - Curr_Dur : Duration := Clock - Time_Stamp; - begin - Put (Msg); - - Set_Col (20); - Ada.Text_IO.Put ("size ="); - - Count_IO.Put - (Data_Size, - Width => Stream_IO.Count'Image (File_Size)'Length); - - Put_Line (" duration =" & Duration'Image (Curr_Dur)); - end Print_Statistic; - - ----------- - -- Stamp -- - ----------- - - procedure Stamp is - begin - Time_Stamp := Ada.Calendar.Clock; - end Stamp; - -begin - Ada.Text_IO.Put_Line ("ZLib " & ZLib.Version); - - loop - Generate_File; - - for Level in ZLib.Compression_Level'Range loop - - Ada.Text_IO.Put_Line ("Level =" - & ZLib.Compression_Level'Image (Level)); - - -- Test generic interface. - Open (File_In, In_File, In_File_Name); - Create (File_Out, Out_File, Z_File_Name); - - Stamp; - - -- Deflate using generic instantiation. - - ZLib.Deflate_Init - (Filter => Filter, - Level => Level, - Strategy => Strategy, - Header => Header); - - Translate (Filter); - Print_Statistic ("Generic compress", ZLib.Total_Out (Filter)); - ZLib.Close (Filter); - - Close (File_In); - Close (File_Out); - - Open (File_In, In_File, Z_File_Name); - Create (File_Out, Out_File, Out_File_Name); - - Stamp; - - -- Inflate using generic instantiation. - - ZLib.Inflate_Init (Filter, Header => Header); - - Translate (Filter); - Print_Statistic ("Generic decompress", ZLib.Total_Out (Filter)); - - ZLib.Close (Filter); - - Close (File_In); - Close (File_Out); - - Compare_Files (In_File_Name, Out_File_Name); - - -- Test stream interface. - - -- Compress to the back stream. - - Open (File_In, In_File, In_File_Name); - Create (File_Back, Out_File, Z_File_Name); - - Stamp; - - ZLib.Streams.Create - (Stream => File_Z, - Mode => ZLib.Streams.Out_Stream, - Back => ZLib.Streams.Stream_Access - (Stream (File_Back)), - Back_Compressed => True, - Level => Level, - Strategy => Strategy, - Header => Header); - - Copy_Streams - (Source => Stream (File_In).all, - Target => File_Z); - - -- Flushing internal buffers to the back stream. - - ZLib.Streams.Flush (File_Z, ZLib.Finish); - - Print_Statistic ("Write compress", - ZLib.Streams.Write_Total_Out (File_Z)); - - ZLib.Streams.Close (File_Z); - - Close (File_In); - Close (File_Back); - - -- Compare reading from original file and from - -- decompression stream. - - Open (File_In, In_File, In_File_Name); - Open (File_Back, In_File, Z_File_Name); - - ZLib.Streams.Create - (Stream => File_Z, - Mode => ZLib.Streams.In_Stream, - Back => ZLib.Streams.Stream_Access - (Stream (File_Back)), - Back_Compressed => True, - Header => Header); - - Stamp; - Compare_Streams (Stream (File_In).all, File_Z); - - Print_Statistic ("Read decompress", - ZLib.Streams.Read_Total_Out (File_Z)); - - ZLib.Streams.Close (File_Z); - Close (File_In); - Close (File_Back); - - -- Compress by reading from compression stream. - - Open (File_Back, In_File, In_File_Name); - Create (File_Out, Out_File, Z_File_Name); - - ZLib.Streams.Create - (Stream => File_Z, - Mode => ZLib.Streams.In_Stream, - Back => ZLib.Streams.Stream_Access - (Stream (File_Back)), - Back_Compressed => False, - Level => Level, - Strategy => Strategy, - Header => Header); - - Stamp; - Copy_Streams - (Source => File_Z, - Target => Stream (File_Out).all); - - Print_Statistic ("Read compress", - ZLib.Streams.Read_Total_Out (File_Z)); - - ZLib.Streams.Close (File_Z); - - Close (File_Out); - Close (File_Back); - - -- Decompress to decompression stream. - - Open (File_In, In_File, Z_File_Name); - Create (File_Back, Out_File, Out_File_Name); - - ZLib.Streams.Create - (Stream => File_Z, - Mode => ZLib.Streams.Out_Stream, - Back => ZLib.Streams.Stream_Access - (Stream (File_Back)), - Back_Compressed => False, - Header => Header); - - Stamp; - - Copy_Streams - (Source => Stream (File_In).all, - Target => File_Z); - - Print_Statistic ("Write decompress", - ZLib.Streams.Write_Total_Out (File_Z)); - - ZLib.Streams.Close (File_Z); - Close (File_In); - Close (File_Back); - - Compare_Files (In_File_Name, Out_File_Name); - end loop; - - Ada.Text_IO.Put_Line (Count'Image (File_Size) & " Ok."); - - exit when not Continuous; - - File_Size := File_Size + 1; - end loop; -end Test; diff --git a/cpukit/zlib/contrib/ada/zlib-streams.adb b/cpukit/zlib/contrib/ada/zlib-streams.adb deleted file mode 100644 index 10a4732959..0000000000 --- a/cpukit/zlib/contrib/ada/zlib-streams.adb +++ /dev/null @@ -1,225 +0,0 @@ ----------------------------------------------------------------- --- ZLib for Ada thick binding. -- --- -- --- Copyright (C) 2002-2003 Dmitriy Anisimkov -- --- -- --- Open source license information is in the zlib.ads file. -- ----------------------------------------------------------------- - --- $Id$ - -with Ada.Unchecked_Deallocation; - -package body ZLib.Streams is - - ----------- - -- Close -- - ----------- - - procedure Close (Stream : in out Stream_Type) is - procedure Free is new Ada.Unchecked_Deallocation - (Stream_Element_Array, Buffer_Access); - begin - if Stream.Mode = Out_Stream or Stream.Mode = Duplex then - -- We should flush the data written by the writer. - - Flush (Stream, Finish); - - Close (Stream.Writer); - end if; - - if Stream.Mode = In_Stream or Stream.Mode = Duplex then - Close (Stream.Reader); - Free (Stream.Buffer); - end if; - end Close; - - ------------ - -- Create -- - ------------ - - procedure Create - (Stream : out Stream_Type; - Mode : in Stream_Mode; - Back : in Stream_Access; - Back_Compressed : in Boolean; - Level : in Compression_Level := Default_Compression; - Strategy : in Strategy_Type := Default_Strategy; - Header : in Header_Type := Default; - Read_Buffer_Size : in Ada.Streams.Stream_Element_Offset - := Default_Buffer_Size; - Write_Buffer_Size : in Ada.Streams.Stream_Element_Offset - := Default_Buffer_Size) - is - - subtype Buffer_Subtype is Stream_Element_Array (1 .. Read_Buffer_Size); - - procedure Init_Filter - (Filter : in out Filter_Type; - Compress : in Boolean); - - ----------------- - -- Init_Filter -- - ----------------- - - procedure Init_Filter - (Filter : in out Filter_Type; - Compress : in Boolean) is - begin - if Compress then - Deflate_Init - (Filter, Level, Strategy, Header => Header); - else - Inflate_Init (Filter, Header => Header); - end if; - end Init_Filter; - - begin - Stream.Back := Back; - Stream.Mode := Mode; - - if Mode = Out_Stream or Mode = Duplex then - Init_Filter (Stream.Writer, Back_Compressed); - Stream.Buffer_Size := Write_Buffer_Size; - else - Stream.Buffer_Size := 0; - end if; - - if Mode = In_Stream or Mode = Duplex then - Init_Filter (Stream.Reader, not Back_Compressed); - - Stream.Buffer := new Buffer_Subtype; - Stream.Rest_First := Stream.Buffer'Last + 1; - Stream.Rest_Last := Stream.Buffer'Last; - end if; - end Create; - - ----------- - -- Flush -- - ----------- - - procedure Flush - (Stream : in out Stream_Type; - Mode : in Flush_Mode := Sync_Flush) - is - Buffer : Stream_Element_Array (1 .. Stream.Buffer_Size); - Last : Stream_Element_Offset; - begin - loop - Flush (Stream.Writer, Buffer, Last, Mode); - - Ada.Streams.Write (Stream.Back.all, Buffer (1 .. Last)); - - exit when Last < Buffer'Last; - end loop; - end Flush; - - ------------- - -- Is_Open -- - ------------- - - function Is_Open (Stream : Stream_Type) return Boolean is - begin - return Is_Open (Stream.Reader) or else Is_Open (Stream.Writer); - end Is_Open; - - ---------- - -- Read -- - ---------- - - procedure Read - (Stream : in out Stream_Type; - Item : out Stream_Element_Array; - Last : out Stream_Element_Offset) - is - - procedure Read - (Item : out Stream_Element_Array; - Last : out Stream_Element_Offset); - - ---------- - -- Read -- - ---------- - - procedure Read - (Item : out Stream_Element_Array; - Last : out Stream_Element_Offset) is - begin - Ada.Streams.Read (Stream.Back.all, Item, Last); - end Read; - - procedure Read is new ZLib.Read - (Read => Read, - Buffer => Stream.Buffer.all, - Rest_First => Stream.Rest_First, - Rest_Last => Stream.Rest_Last); - - begin - Read (Stream.Reader, Item, Last); - end Read; - - ------------------- - -- Read_Total_In -- - ------------------- - - function Read_Total_In (Stream : in Stream_Type) return Count is - begin - return Total_In (Stream.Reader); - end Read_Total_In; - - -------------------- - -- Read_Total_Out -- - -------------------- - - function Read_Total_Out (Stream : in Stream_Type) return Count is - begin - return Total_Out (Stream.Reader); - end Read_Total_Out; - - ----------- - -- Write -- - ----------- - - procedure Write - (Stream : in out Stream_Type; - Item : in Stream_Element_Array) - is - - procedure Write (Item : in Stream_Element_Array); - - ----------- - -- Write -- - ----------- - - procedure Write (Item : in Stream_Element_Array) is - begin - Ada.Streams.Write (Stream.Back.all, Item); - end Write; - - procedure Write is new ZLib.Write - (Write => Write, - Buffer_Size => Stream.Buffer_Size); - - begin - Write (Stream.Writer, Item, No_Flush); - end Write; - - -------------------- - -- Write_Total_In -- - -------------------- - - function Write_Total_In (Stream : in Stream_Type) return Count is - begin - return Total_In (Stream.Writer); - end Write_Total_In; - - --------------------- - -- Write_Total_Out -- - --------------------- - - function Write_Total_Out (Stream : in Stream_Type) return Count is - begin - return Total_Out (Stream.Writer); - end Write_Total_Out; - -end ZLib.Streams; diff --git a/cpukit/zlib/contrib/ada/zlib-streams.ads b/cpukit/zlib/contrib/ada/zlib-streams.ads deleted file mode 100644 index 7dcbf7e8b6..0000000000 --- a/cpukit/zlib/contrib/ada/zlib-streams.ads +++ /dev/null @@ -1,114 +0,0 @@ ----------------------------------------------------------------- --- ZLib for Ada thick binding. -- --- -- --- Copyright (C) 2002-2003 Dmitriy Anisimkov -- --- -- --- Open source license information is in the zlib.ads file. -- ----------------------------------------------------------------- - --- $Id$ - -package ZLib.Streams is - - type Stream_Mode is (In_Stream, Out_Stream, Duplex); - - type Stream_Access is access all Ada.Streams.Root_Stream_Type'Class; - - type Stream_Type is - new Ada.Streams.Root_Stream_Type with private; - - procedure Read - (Stream : in out Stream_Type; - Item : out Ada.Streams.Stream_Element_Array; - Last : out Ada.Streams.Stream_Element_Offset); - - procedure Write - (Stream : in out Stream_Type; - Item : in Ada.Streams.Stream_Element_Array); - - procedure Flush - (Stream : in out Stream_Type; - Mode : in Flush_Mode := Sync_Flush); - -- Flush the written data to the back stream, - -- all data placed to the compressor is flushing to the Back stream. - -- Should not be used untill necessary, becouse it is decreasing - -- compression. - - function Read_Total_In (Stream : in Stream_Type) return Count; - pragma Inline (Read_Total_In); - -- Return total number of bytes read from back stream so far. - - function Read_Total_Out (Stream : in Stream_Type) return Count; - pragma Inline (Read_Total_Out); - -- Return total number of bytes read so far. - - function Write_Total_In (Stream : in Stream_Type) return Count; - pragma Inline (Write_Total_In); - -- Return total number of bytes written so far. - - function Write_Total_Out (Stream : in Stream_Type) return Count; - pragma Inline (Write_Total_Out); - -- Return total number of bytes written to the back stream. - - procedure Create - (Stream : out Stream_Type; - Mode : in Stream_Mode; - Back : in Stream_Access; - Back_Compressed : in Boolean; - Level : in Compression_Level := Default_Compression; - Strategy : in Strategy_Type := Default_Strategy; - Header : in Header_Type := Default; - Read_Buffer_Size : in Ada.Streams.Stream_Element_Offset - := Default_Buffer_Size; - Write_Buffer_Size : in Ada.Streams.Stream_Element_Offset - := Default_Buffer_Size); - -- Create the Comression/Decompression stream. - -- If mode is In_Stream then Write operation is disabled. - -- If mode is Out_Stream then Read operation is disabled. - - -- If Back_Compressed is true then - -- Data written to the Stream is compressing to the Back stream - -- and data read from the Stream is decompressed data from the Back stream. - - -- If Back_Compressed is false then - -- Data written to the Stream is decompressing to the Back stream - -- and data read from the Stream is compressed data from the Back stream. - - -- !!! When the Need_Header is False ZLib-Ada is using undocumented - -- ZLib 1.1.4 functionality to do not create/wait for ZLib headers. - - function Is_Open (Stream : Stream_Type) return Boolean; - - procedure Close (Stream : in out Stream_Type); - -private - - use Ada.Streams; - - type Buffer_Access is access all Stream_Element_Array; - - type Stream_Type - is new Root_Stream_Type with - record - Mode : Stream_Mode; - - Buffer : Buffer_Access; - Rest_First : Stream_Element_Offset; - Rest_Last : Stream_Element_Offset; - -- Buffer for Read operation. - -- We need to have this buffer in the record - -- becouse not all read data from back stream - -- could be processed during the read operation. - - Buffer_Size : Stream_Element_Offset; - -- Buffer size for write operation. - -- We do not need to have this buffer - -- in the record becouse all data could be - -- processed in the write operation. - - Back : Stream_Access; - Reader : Filter_Type; - Writer : Filter_Type; - end record; - -end ZLib.Streams; diff --git a/cpukit/zlib/contrib/ada/zlib-thin.adb b/cpukit/zlib/contrib/ada/zlib-thin.adb deleted file mode 100644 index 30924ed7ab..0000000000 --- a/cpukit/zlib/contrib/ada/zlib-thin.adb +++ /dev/null @@ -1,141 +0,0 @@ ----------------------------------------------------------------- --- ZLib for Ada thick binding. -- --- -- --- Copyright (C) 2002-2003 Dmitriy Anisimkov -- --- -- --- Open source license information is in the zlib.ads file. -- ----------------------------------------------------------------- - --- $Id$ - -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; diff --git a/cpukit/zlib/contrib/ada/zlib-thin.ads b/cpukit/zlib/contrib/ada/zlib-thin.ads deleted file mode 100644 index 2bc085f0aa..0000000000 --- a/cpukit/zlib/contrib/ada/zlib-thin.ads +++ /dev/null @@ -1,450 +0,0 @@ ----------------------------------------------------------------- --- ZLib for Ada thick binding. -- --- -- --- Copyright (C) 2002-2003 Dmitriy Anisimkov -- --- -- --- Open source license information is in the zlib.ads file. -- ----------------------------------------------------------------- - --- $Id$ - -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; - - function gztell (file : gzFile) return Int; - - function gzeof (file : gzFile) return Int; - - function gzclose (file : gzFile) return Int; - - function gzerror (file : gzFile; errnum : Int_Access) return Chars_Ptr; - - function adler32 - (adler : ULong; - buf : Byte_Access; - len : UInt) - return ULong; - - function crc32 - (crc : ULong; - buf : Byte_Access; - len : UInt) - return ULong; - - function deflateInit - (strm : Z_Streamp; - level : Int; - version : Chars_Ptr; - stream_size : Int) - return Int; - - function deflateInit2 - (strm : Z_Streamp; - level : Int; - method : Int; - windowBits : Int; - memLevel : Int; - strategy : Int; - version : Chars_Ptr; - stream_size : Int) - return Int; - - function Deflate_Init - (strm : Z_Streamp; - level : Int; - method : Int; - windowBits : Int; - memLevel : Int; - strategy : Int) - return Int; - pragma Inline (Deflate_Init); - - function inflateInit - (strm : Z_Streamp; - version : Chars_Ptr; - stream_size : Int) - return Int; - - function inflateInit2 - (strm : in Z_Streamp; - windowBits : in Int; - version : in Chars_Ptr; - stream_size : in Int) - return Int; - - function inflateBackInit - (strm : in Z_Streamp; - windowBits : in Int; - window : in Byte_Access; - version : in Chars_Ptr; - stream_size : in Int) - return Int; - -- Size of window have to be 2**windowBits. - - function Inflate_Init (strm : Z_Streamp; windowBits : Int) return Int; - pragma Inline (Inflate_Init); - - function zError (err : Int) return Chars_Ptr; - - function inflateSyncPoint (z : Z_Streamp) return Int; - - function get_crc_table return ULong_Access; - - -- Interface to the available fields of the z_stream structure. - -- The application must update next_in and avail_in when avail_in has - -- dropped to zero. It must update next_out and avail_out when avail_out - -- has dropped to zero. The application must initialize zalloc, zfree and - -- opaque before calling the init function. - - procedure Set_In - (Strm : in out Z_Stream; - Buffer : in Voidp; - Size : in UInt); - pragma Inline (Set_In); - - procedure Set_Out - (Strm : in out Z_Stream; - Buffer : in Voidp; - Size : in UInt); - pragma Inline (Set_Out); - - procedure Set_Mem_Func - (Strm : in out Z_Stream; - Opaque : in Voidp; - Alloc : in alloc_func; - Free : in free_func); - pragma Inline (Set_Mem_Func); - - function Last_Error_Message (Strm : in Z_Stream) return String; - pragma Inline (Last_Error_Message); - - function Avail_Out (Strm : in Z_Stream) return UInt; - pragma Inline (Avail_Out); - - function Avail_In (Strm : in Z_Stream) return UInt; - pragma Inline (Avail_In); - - function Total_In (Strm : in Z_Stream) return ULong; - pragma Inline (Total_In); - - function Total_Out (Strm : in Z_Stream) return ULong; - pragma Inline (Total_Out); - - function inflateCopy - (dest : in Z_Streamp; - Source : in Z_Streamp) - return Int; - - function compressBound (Source_Len : in ULong) return ULong; - - function deflateBound - (Strm : in Z_Streamp; - Source_Len : in ULong) - return ULong; - - function gzungetc (C : in Int; File : in gzFile) return Int; - - function zlibCompileFlags return ULong; - -private - - type Z_Stream is record -- zlib.h:68 - Next_In : Voidp := Nul; -- next input byte - Avail_In : UInt := 0; -- number of bytes available at next_in - Total_In : ULong := 0; -- total nb of input bytes read so far - Next_Out : Voidp := Nul; -- next output byte should be put there - Avail_Out : UInt := 0; -- remaining free space at next_out - Total_Out : ULong := 0; -- total nb of bytes output so far - msg : Chars_Ptr; -- last error message, NULL if no error - state : Voidp; -- not visible by applications - zalloc : alloc_func := null; -- used to allocate the internal state - zfree : free_func := null; -- used to free the internal state - opaque : Voidp; -- private data object passed to - -- zalloc and zfree - data_type : Int; -- best guess about the data type: - -- ascii or binary - adler : ULong; -- adler32 value of the uncompressed - -- data - reserved : ULong; -- reserved for future use - end record; - - pragma Convention (C, Z_Stream); - - pragma Import (C, zlibVersion, "zlibVersion"); - pragma Import (C, Deflate, "deflate"); - pragma Import (C, DeflateEnd, "deflateEnd"); - pragma Import (C, Inflate, "inflate"); - pragma Import (C, InflateEnd, "inflateEnd"); - pragma Import (C, deflateSetDictionary, "deflateSetDictionary"); - pragma Import (C, deflateCopy, "deflateCopy"); - pragma Import (C, deflateReset, "deflateReset"); - pragma Import (C, deflateParams, "deflateParams"); - pragma Import (C, inflateSetDictionary, "inflateSetDictionary"); - pragma Import (C, inflateSync, "inflateSync"); - pragma Import (C, inflateReset, "inflateReset"); - pragma Import (C, compress, "compress"); - pragma Import (C, compress2, "compress2"); - pragma Import (C, uncompress, "uncompress"); - pragma Import (C, gzopen, "gzopen"); - pragma Import (C, gzdopen, "gzdopen"); - pragma Import (C, gzsetparams, "gzsetparams"); - pragma Import (C, gzread, "gzread"); - pragma Import (C, gzwrite, "gzwrite"); - pragma Import (C, gzprintf, "gzprintf"); - pragma Import (C, gzputs, "gzputs"); - pragma Import (C, gzgets, "gzgets"); - pragma Import (C, gzputc, "gzputc"); - pragma Import (C, gzgetc, "gzgetc"); - pragma Import (C, gzflush, "gzflush"); - pragma Import (C, gzseek, "gzseek"); - pragma Import (C, gzrewind, "gzrewind"); - pragma Import (C, gztell, "gztell"); - pragma Import (C, gzeof, "gzeof"); - pragma Import (C, gzclose, "gzclose"); - pragma Import (C, gzerror, "gzerror"); - pragma Import (C, adler32, "adler32"); - pragma Import (C, crc32, "crc32"); - pragma Import (C, deflateInit, "deflateInit_"); - pragma Import (C, inflateInit, "inflateInit_"); - pragma Import (C, deflateInit2, "deflateInit2_"); - pragma Import (C, inflateInit2, "inflateInit2_"); - pragma Import (C, zError, "zError"); - pragma Import (C, inflateSyncPoint, "inflateSyncPoint"); - pragma Import (C, get_crc_table, "get_crc_table"); - - -- since zlib 1.2.0: - - pragma Import (C, inflateCopy, "inflateCopy"); - pragma Import (C, compressBound, "compressBound"); - pragma Import (C, deflateBound, "deflateBound"); - pragma Import (C, gzungetc, "gzungetc"); - pragma Import (C, zlibCompileFlags, "zlibCompileFlags"); - - pragma Import (C, inflateBackInit, "inflateBackInit_"); - - -- I stopped binding the inflateBack routines, becouse realize that - -- it does not support zlib and gzip headers for now, and have no - -- symmetric deflateBack routines. - -- ZLib-Ada is symmetric regarding deflate/inflate data transformation - -- and has a similar generic callback interface for the - -- deflate/inflate transformation based on the regular Deflate/Inflate - -- routines. - - -- pragma Import (C, inflateBack, "inflateBack"); - -- pragma Import (C, inflateBackEnd, "inflateBackEnd"); - -end ZLib.Thin; diff --git a/cpukit/zlib/contrib/ada/zlib.adb b/cpukit/zlib/contrib/ada/zlib.adb deleted file mode 100644 index 8927b48f1b..0000000000 --- a/cpukit/zlib/contrib/ada/zlib.adb +++ /dev/null @@ -1,701 +0,0 @@ ----------------------------------------------------------------- --- ZLib for Ada thick binding. -- --- -- --- Copyright (C) 2002-2004 Dmitriy Anisimkov -- --- -- --- Open source license information is in the zlib.ads file. -- ----------------------------------------------------------------- - --- $Id$ - -with Ada.Exceptions; -with Ada.Unchecked_Conversion; -with Ada.Unchecked_Deallocation; - -with Interfaces.C.Strings; - -with ZLib.Thin; - -package body ZLib is - - use type Thin.Int; - - type Z_Stream is new Thin.Z_Stream; - - type Return_Code_Enum is - (OK, - STREAM_END, - NEED_DICT, - ERRNO, - STREAM_ERROR, - DATA_ERROR, - MEM_ERROR, - BUF_ERROR, - VERSION_ERROR); - - type Flate_Step_Function is access - function (Strm : in Thin.Z_Streamp; Flush : in Thin.Int) return Thin.Int; - pragma Convention (C, Flate_Step_Function); - - type Flate_End_Function is access - function (Ctrm : in Thin.Z_Streamp) return Thin.Int; - pragma Convention (C, Flate_End_Function); - - type Flate_Type is record - Step : Flate_Step_Function; - Done : Flate_End_Function; - end record; - - subtype Footer_Array is Stream_Element_Array (1 .. 8); - - Simple_GZip_Header : constant Stream_Element_Array (1 .. 10) - := (16#1f#, 16#8b#, -- Magic header - 16#08#, -- Z_DEFLATED - 16#00#, -- Flags - 16#00#, 16#00#, 16#00#, 16#00#, -- Time - 16#00#, -- XFlags - 16#03# -- OS code - ); - -- The simplest gzip header is not for informational, but just for - -- gzip format compatibility. - -- Note that some code below is using assumption - -- Simple_GZip_Header'Last > Footer_Array'Last, so do not make - -- Simple_GZip_Header'Last <= Footer_Array'Last. - - Return_Code : constant array (Thin.Int range <>) of Return_Code_Enum - := (0 => OK, - 1 => STREAM_END, - 2 => NEED_DICT, - -1 => ERRNO, - -2 => STREAM_ERROR, - -3 => DATA_ERROR, - -4 => MEM_ERROR, - -5 => BUF_ERROR, - -6 => VERSION_ERROR); - - Flate : constant array (Boolean) of Flate_Type - := (True => (Step => Thin.Deflate'Access, - Done => Thin.DeflateEnd'Access), - False => (Step => Thin.Inflate'Access, - Done => Thin.InflateEnd'Access)); - - Flush_Finish : constant array (Boolean) of Flush_Mode - := (True => Finish, False => No_Flush); - - procedure Raise_Error (Stream : in Z_Stream); - pragma Inline (Raise_Error); - - procedure Raise_Error (Message : in String); - pragma Inline (Raise_Error); - - procedure Check_Error (Stream : in Z_Stream; Code : in Thin.Int); - - procedure Free is new Ada.Unchecked_Deallocation - (Z_Stream, Z_Stream_Access); - - function To_Thin_Access is new Ada.Unchecked_Conversion - (Z_Stream_Access, Thin.Z_Streamp); - - procedure Translate_GZip - (Filter : in out Filter_Type; - In_Data : in Ada.Streams.Stream_Element_Array; - In_Last : out Ada.Streams.Stream_Element_Offset; - Out_Data : out Ada.Streams.Stream_Element_Array; - Out_Last : out Ada.Streams.Stream_Element_Offset; - Flush : in Flush_Mode); - -- Separate translate routine for make gzip header. - - procedure Translate_Auto - (Filter : in out Filter_Type; - In_Data : in Ada.Streams.Stream_Element_Array; - In_Last : out Ada.Streams.Stream_Element_Offset; - Out_Data : out Ada.Streams.Stream_Element_Array; - Out_Last : out Ada.Streams.Stream_Element_Offset; - Flush : in Flush_Mode); - -- translate routine without additional headers. - - ----------------- - -- Check_Error -- - ----------------- - - procedure Check_Error (Stream : in Z_Stream; Code : in Thin.Int) is - use type Thin.Int; - begin - if Code /= Thin.Z_OK then - Raise_Error - (Return_Code_Enum'Image (Return_Code (Code)) - & ": " & Last_Error_Message (Stream)); - end if; - end Check_Error; - - ----------- - -- Close -- - ----------- - - procedure Close - (Filter : in out Filter_Type; - Ignore_Error : in Boolean := False) - is - Code : Thin.Int; - begin - if not Ignore_Error and then not Is_Open (Filter) then - raise Status_Error; - end if; - - Code := Flate (Filter.Compression).Done (To_Thin_Access (Filter.Strm)); - - if Ignore_Error or else Code = Thin.Z_OK then - Free (Filter.Strm); - else - declare - Error_Message : constant String - := Last_Error_Message (Filter.Strm.all); - begin - Free (Filter.Strm); - Ada.Exceptions.Raise_Exception - (ZLib_Error'Identity, - Return_Code_Enum'Image (Return_Code (Code)) - & ": " & Error_Message); - end; - end if; - end Close; - - ----------- - -- CRC32 -- - ----------- - - function CRC32 - (CRC : in Unsigned_32; - Data : in Ada.Streams.Stream_Element_Array) - return Unsigned_32 - is - use Thin; - begin - return Unsigned_32 (crc32 (ULong (CRC), - Data'Address, - Data'Length)); - end CRC32; - - procedure CRC32 - (CRC : in out Unsigned_32; - Data : in Ada.Streams.Stream_Element_Array) is - begin - CRC := CRC32 (CRC, Data); - end CRC32; - - ------------------ - -- Deflate_Init -- - ------------------ - - procedure Deflate_Init - (Filter : in out Filter_Type; - Level : in Compression_Level := Default_Compression; - Strategy : in Strategy_Type := Default_Strategy; - Method : in Compression_Method := Deflated; - Window_Bits : in Window_Bits_Type := Default_Window_Bits; - Memory_Level : in Memory_Level_Type := Default_Memory_Level; - Header : in Header_Type := Default) - is - use type Thin.Int; - Win_Bits : Thin.Int := Thin.Int (Window_Bits); - begin - if Is_Open (Filter) then - raise Status_Error; - end if; - - -- We allow ZLib to make header only in case of default header type. - -- Otherwise we would either do header by ourselfs, or do not do - -- header at all. - - if Header = None or else Header = GZip then - Win_Bits := -Win_Bits; - end if; - - -- For the GZip CRC calculation and make headers. - - if Header = GZip then - Filter.CRC := 0; - Filter.Offset := Simple_GZip_Header'First; - else - Filter.Offset := Simple_GZip_Header'Last + 1; - end if; - - Filter.Strm := new Z_Stream; - Filter.Compression := True; - Filter.Stream_End := False; - Filter.Header := Header; - - if Thin.Deflate_Init - (To_Thin_Access (Filter.Strm), - Level => Thin.Int (Level), - method => Thin.Int (Method), - windowBits => Win_Bits, - memLevel => Thin.Int (Memory_Level), - strategy => Thin.Int (Strategy)) /= Thin.Z_OK - then - Raise_Error (Filter.Strm.all); - end if; - end Deflate_Init; - - ----------- - -- Flush -- - ----------- - - procedure Flush - (Filter : in out Filter_Type; - Out_Data : out Ada.Streams.Stream_Element_Array; - Out_Last : out Ada.Streams.Stream_Element_Offset; - Flush : in Flush_Mode) - is - No_Data : Stream_Element_Array := (1 .. 0 => 0); - Last : Stream_Element_Offset; - begin - Translate (Filter, No_Data, Last, Out_Data, Out_Last, Flush); - end Flush; - - ----------------------- - -- Generic_Translate -- - ----------------------- - - procedure Generic_Translate - (Filter : in out ZLib.Filter_Type; - In_Buffer_Size : in Integer := Default_Buffer_Size; - Out_Buffer_Size : in Integer := Default_Buffer_Size) - is - In_Buffer : Stream_Element_Array - (1 .. Stream_Element_Offset (In_Buffer_Size)); - Out_Buffer : Stream_Element_Array - (1 .. Stream_Element_Offset (Out_Buffer_Size)); - Last : Stream_Element_Offset; - In_Last : Stream_Element_Offset; - In_First : Stream_Element_Offset; - Out_Last : Stream_Element_Offset; - begin - Main : loop - Data_In (In_Buffer, Last); - - In_First := In_Buffer'First; - - loop - Translate - (Filter => Filter, - In_Data => In_Buffer (In_First .. Last), - In_Last => In_Last, - Out_Data => Out_Buffer, - Out_Last => Out_Last, - Flush => Flush_Finish (Last < In_Buffer'First)); - - if Out_Buffer'First <= Out_Last then - Data_Out (Out_Buffer (Out_Buffer'First .. Out_Last)); - end if; - - exit Main when Stream_End (Filter); - - -- The end of in buffer. - - exit when In_Last = Last; - - In_First := In_Last + 1; - end loop; - end loop Main; - - end Generic_Translate; - - ------------------ - -- Inflate_Init -- - ------------------ - - procedure Inflate_Init - (Filter : in out Filter_Type; - Window_Bits : in Window_Bits_Type := Default_Window_Bits; - Header : in Header_Type := Default) - is - use type Thin.Int; - Win_Bits : Thin.Int := Thin.Int (Window_Bits); - - procedure Check_Version; - -- Check the latest header types compatibility. - - procedure Check_Version is - begin - if Version <= "1.1.4" then - Raise_Error - ("Inflate header type " & Header_Type'Image (Header) - & " incompatible with ZLib version " & Version); - end if; - end Check_Version; - - begin - if Is_Open (Filter) then - raise Status_Error; - end if; - - case Header is - when None => - Check_Version; - - -- Inflate data without headers determined - -- by negative Win_Bits. - - Win_Bits := -Win_Bits; - when GZip => - Check_Version; - - -- Inflate gzip data defined by flag 16. - - Win_Bits := Win_Bits + 16; - when Auto => - Check_Version; - - -- Inflate with automatic detection - -- of gzip or native header defined by flag 32. - - Win_Bits := Win_Bits + 32; - when Default => null; - end case; - - Filter.Strm := new Z_Stream; - Filter.Compression := False; - Filter.Stream_End := False; - Filter.Header := Header; - - if Thin.Inflate_Init - (To_Thin_Access (Filter.Strm), Win_Bits) /= Thin.Z_OK - then - Raise_Error (Filter.Strm.all); - end if; - end Inflate_Init; - - ------------- - -- Is_Open -- - ------------- - - function Is_Open (Filter : in Filter_Type) return Boolean is - begin - return Filter.Strm /= null; - end Is_Open; - - ----------------- - -- Raise_Error -- - ----------------- - - procedure Raise_Error (Message : in String) is - begin - Ada.Exceptions.Raise_Exception (ZLib_Error'Identity, Message); - end Raise_Error; - - procedure Raise_Error (Stream : in Z_Stream) is - begin - Raise_Error (Last_Error_Message (Stream)); - end Raise_Error; - - ---------- - -- Read -- - ---------- - - procedure Read - (Filter : in out Filter_Type; - Item : out Ada.Streams.Stream_Element_Array; - Last : out Ada.Streams.Stream_Element_Offset; - Flush : in Flush_Mode := No_Flush) - is - In_Last : Stream_Element_Offset; - Item_First : Ada.Streams.Stream_Element_Offset := Item'First; - V_Flush : Flush_Mode := Flush; - - begin - pragma Assert (Rest_First in Buffer'First .. Buffer'Last + 1); - pragma Assert (Rest_Last in Buffer'First - 1 .. Buffer'Last); - - loop - if Rest_Last = Buffer'First - 1 then - V_Flush := Finish; - - elsif Rest_First > Rest_Last then - Read (Buffer, Rest_Last); - Rest_First := Buffer'First; - - if Rest_Last < Buffer'First then - V_Flush := Finish; - end if; - end if; - - Translate - (Filter => Filter, - In_Data => Buffer (Rest_First .. Rest_Last), - In_Last => In_Last, - Out_Data => Item (Item_First .. Item'Last), - Out_Last => Last, - Flush => V_Flush); - - Rest_First := In_Last + 1; - - exit when Stream_End (Filter) - or else Last = Item'Last - or else (Last >= Item'First and then Allow_Read_Some); - - Item_First := Last + 1; - end loop; - end Read; - - ---------------- - -- Stream_End -- - ---------------- - - function Stream_End (Filter : in Filter_Type) return Boolean is - begin - if Filter.Header = GZip and Filter.Compression then - return Filter.Stream_End - and then Filter.Offset = Footer_Array'Last + 1; - else - return Filter.Stream_End; - end if; - end Stream_End; - - -------------- - -- Total_In -- - -------------- - - function Total_In (Filter : in Filter_Type) return Count is - begin - return Count (Thin.Total_In (To_Thin_Access (Filter.Strm).all)); - end Total_In; - - --------------- - -- Total_Out -- - --------------- - - function Total_Out (Filter : in Filter_Type) return Count is - begin - return Count (Thin.Total_Out (To_Thin_Access (Filter.Strm).all)); - end Total_Out; - - --------------- - -- Translate -- - --------------- - - procedure Translate - (Filter : in out Filter_Type; - In_Data : in Ada.Streams.Stream_Element_Array; - In_Last : out Ada.Streams.Stream_Element_Offset; - Out_Data : out Ada.Streams.Stream_Element_Array; - Out_Last : out Ada.Streams.Stream_Element_Offset; - Flush : in Flush_Mode) is - begin - if Filter.Header = GZip and then Filter.Compression then - Translate_GZip - (Filter => Filter, - In_Data => In_Data, - In_Last => In_Last, - Out_Data => Out_Data, - Out_Last => Out_Last, - Flush => Flush); - else - Translate_Auto - (Filter => Filter, - In_Data => In_Data, - In_Last => In_Last, - Out_Data => Out_Data, - Out_Last => Out_Last, - Flush => Flush); - end if; - end Translate; - - -------------------- - -- Translate_Auto -- - -------------------- - - procedure Translate_Auto - (Filter : in out Filter_Type; - In_Data : in Ada.Streams.Stream_Element_Array; - In_Last : out Ada.Streams.Stream_Element_Offset; - Out_Data : out Ada.Streams.Stream_Element_Array; - Out_Last : out Ada.Streams.Stream_Element_Offset; - Flush : in Flush_Mode) - is - use type Thin.Int; - Code : Thin.Int; - - begin - if not Is_Open (Filter) then - raise Status_Error; - end if; - - if Out_Data'Length = 0 and then In_Data'Length = 0 then - raise Constraint_Error; - end if; - - Set_Out (Filter.Strm.all, Out_Data'Address, Out_Data'Length); - Set_In (Filter.Strm.all, In_Data'Address, In_Data'Length); - - Code := Flate (Filter.Compression).Step - (To_Thin_Access (Filter.Strm), - Thin.Int (Flush)); - - if Code = Thin.Z_STREAM_END then - Filter.Stream_End := True; - else - Check_Error (Filter.Strm.all, Code); - end if; - - In_Last := In_Data'Last - - Stream_Element_Offset (Avail_In (Filter.Strm.all)); - Out_Last := Out_Data'Last - - Stream_Element_Offset (Avail_Out (Filter.Strm.all)); - end Translate_Auto; - - -------------------- - -- Translate_GZip -- - -------------------- - - procedure Translate_GZip - (Filter : in out Filter_Type; - In_Data : in Ada.Streams.Stream_Element_Array; - In_Last : out Ada.Streams.Stream_Element_Offset; - Out_Data : out Ada.Streams.Stream_Element_Array; - Out_Last : out Ada.Streams.Stream_Element_Offset; - Flush : in Flush_Mode) - is - Out_First : Stream_Element_Offset; - - procedure Add_Data (Data : in Stream_Element_Array); - -- Add data to stream from the Filter.Offset till necessary, - -- used for add gzip headr/footer. - - procedure Put_32 - (Item : in out Stream_Element_Array; - Data : in Unsigned_32); - pragma Inline (Put_32); - - -------------- - -- Add_Data -- - -------------- - - procedure Add_Data (Data : in Stream_Element_Array) is - Data_First : Stream_Element_Offset renames Filter.Offset; - Data_Last : Stream_Element_Offset; - Data_Len : Stream_Element_Offset; -- -1 - Out_Len : Stream_Element_Offset; -- -1 - begin - Out_First := Out_Last + 1; - - if Data_First > Data'Last then - return; - end if; - - Data_Len := Data'Last - Data_First; - Out_Len := Out_Data'Last - Out_First; - - if Data_Len <= Out_Len then - Out_Last := Out_First + Data_Len; - Data_Last := Data'Last; - else - Out_Last := Out_Data'Last; - Data_Last := Data_First + Out_Len; - end if; - - Out_Data (Out_First .. Out_Last) := Data (Data_First .. Data_Last); - - Data_First := Data_Last + 1; - Out_First := Out_Last + 1; - end Add_Data; - - ------------ - -- Put_32 -- - ------------ - - procedure Put_32 - (Item : in out Stream_Element_Array; - Data : in Unsigned_32) - is - D : Unsigned_32 := Data; - begin - for J in Item'First .. Item'First + 3 loop - Item (J) := Stream_Element (D and 16#FF#); - D := Shift_Right (D, 8); - end loop; - end Put_32; - - begin - Out_Last := Out_Data'First - 1; - - if not Filter.Stream_End then - Add_Data (Simple_GZip_Header); - - Translate_Auto - (Filter => Filter, - In_Data => In_Data, - In_Last => In_Last, - Out_Data => Out_Data (Out_First .. Out_Data'Last), - Out_Last => Out_Last, - Flush => Flush); - - CRC32 (Filter.CRC, In_Data (In_Data'First .. In_Last)); - end if; - - if Filter.Stream_End and then Out_Last <= Out_Data'Last then - -- This detection method would work only when - -- Simple_GZip_Header'Last > Footer_Array'Last - - if Filter.Offset = Simple_GZip_Header'Last + 1 then - Filter.Offset := Footer_Array'First; - end if; - - declare - Footer : Footer_Array; - begin - Put_32 (Footer, Filter.CRC); - Put_32 (Footer (Footer'First + 4 .. Footer'Last), - Unsigned_32 (Total_In (Filter))); - Add_Data (Footer); - end; - end if; - end Translate_GZip; - - ------------- - -- Version -- - ------------- - - function Version return String is - begin - return Interfaces.C.Strings.Value (Thin.zlibVersion); - end Version; - - ----------- - -- Write -- - ----------- - - procedure Write - (Filter : in out Filter_Type; - Item : in Ada.Streams.Stream_Element_Array; - Flush : in Flush_Mode := No_Flush) - is - Buffer : Stream_Element_Array (1 .. Buffer_Size); - In_Last : Stream_Element_Offset; - Out_Last : Stream_Element_Offset; - In_First : Stream_Element_Offset := Item'First; - begin - if Item'Length = 0 and Flush = No_Flush then - return; - end if; - - loop - Translate - (Filter => Filter, - In_Data => Item (In_First .. Item'Last), - In_Last => In_Last, - Out_Data => Buffer, - Out_Last => Out_Last, - Flush => Flush); - - if Out_Last >= Buffer'First then - Write (Buffer (1 .. Out_Last)); - end if; - - exit when In_Last = Item'Last or Stream_End (Filter); - - In_First := In_Last + 1; - end loop; - end Write; - -end ZLib; diff --git a/cpukit/zlib/contrib/ada/zlib.ads b/cpukit/zlib/contrib/ada/zlib.ads deleted file mode 100644 index 9ada859572..0000000000 --- a/cpukit/zlib/contrib/ada/zlib.ads +++ /dev/null @@ -1,328 +0,0 @@ ------------------------------------------------------------------------------- --- ZLib for Ada thick binding. -- --- -- --- Copyright (C) 2002-2004 Dmitriy Anisimkov -- --- -- --- This library is free software; you can redistribute it and/or modify -- --- it under the terms of the GNU General Public License as published by -- --- the Free Software Foundation; either version 2 of the License, or (at -- --- your option) any later version. -- --- -- --- This library is distributed in the hope that it will be useful, but -- --- WITHOUT ANY WARRANTY; without even the implied warranty of -- --- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -- --- General Public License for more details. -- --- -- --- You should have received a copy of the GNU General Public License -- --- along with this library; if not, write to the Free Software Foundation, -- --- Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. -- --- -- --- As a special exception, if other files instantiate generics from this -- --- unit, or you link this unit with other files to produce an executable, -- --- this unit does not by itself cause the resulting executable to be -- --- covered by the GNU General Public License. This exception does not -- --- however invalidate any other reasons why the executable file might be -- --- covered by the GNU Public License. -- ------------------------------------------------------------------------------- - --- $Id$ - -with Ada.Streams; - -with Interfaces; - -package ZLib is - - ZLib_Error : exception; - Status_Error : exception; - - type Compression_Level is new Integer range -1 .. 9; - - type Flush_Mode is private; - - type Compression_Method is private; - - type Window_Bits_Type is new Integer range 8 .. 15; - - type Memory_Level_Type is new Integer range 1 .. 9; - - type Unsigned_32 is new Interfaces.Unsigned_32; - - type Strategy_Type is private; - - type Header_Type is (None, Auto, Default, GZip); - -- Header type usage have a some limitation for inflate. - -- See comment for Inflate_Init. - - subtype Count is Ada.Streams.Stream_Element_Count; - - Default_Memory_Level : constant Memory_Level_Type := 8; - Default_Window_Bits : constant Window_Bits_Type := 15; - - ---------------------------------- - -- Compression method constants -- - ---------------------------------- - - Deflated : constant Compression_Method; - -- Only one method allowed in this ZLib version - - --------------------------------- - -- Compression level constants -- - --------------------------------- - - No_Compression : constant Compression_Level := 0; - Best_Speed : constant Compression_Level := 1; - Best_Compression : constant Compression_Level := 9; - Default_Compression : constant Compression_Level := -1; - - -------------------------- - -- Flush mode constants -- - -------------------------- - - No_Flush : constant Flush_Mode; - -- Regular way for compression, no flush - - Partial_Flush : constant Flush_Mode; - -- Will be removed, use Z_SYNC_FLUSH instead - - Sync_Flush : constant Flush_Mode; - -- All pending output is flushed to the output buffer and the output - -- is aligned on a byte boundary, so that the decompressor can get all - -- input data available so far. (In particular avail_in is zero after the - -- call if enough output space has been provided before the call.) - -- Flushing may degrade compression for some compression algorithms and so - -- it should be used only when necessary. - - Block_Flush : constant Flush_Mode; - -- Z_BLOCK requests that inflate() stop - -- if and when it get to the next deflate block boundary. When decoding the - -- zlib or gzip format, this will cause inflate() to return immediately - -- after the header and before the first block. When doing a raw inflate, - -- inflate() will go ahead and process the first block, and will return - -- when it gets to the end of that block, or when it runs out of data. - - Full_Flush : constant Flush_Mode; - -- All output is flushed as with SYNC_FLUSH, and the compression state - -- is reset so that decompression can restart from this point if previous - -- compressed data has been damaged or if random access is desired. Using - -- Full_Flush too often can seriously degrade the compression. - - Finish : constant Flush_Mode; - -- Just for tell the compressor that input data is complete. - - ------------------------------------ - -- Compression strategy constants -- - ------------------------------------ - - -- RLE stategy could be used only in version 1.2.0 and later. - - Filtered : constant Strategy_Type; - Huffman_Only : constant Strategy_Type; - RLE : constant Strategy_Type; - Default_Strategy : constant Strategy_Type; - - Default_Buffer_Size : constant := 4096; - - type Filter_Type is tagged limited private; - -- The filter is for compression and for decompression. - -- The usage of the type is depend of its initialization. - - function Version return String; - pragma Inline (Version); - -- Return string representation of the ZLib version. - - procedure Deflate_Init - (Filter : in out Filter_Type; - Level : in Compression_Level := Default_Compression; - Strategy : in Strategy_Type := Default_Strategy; - Method : in Compression_Method := Deflated; - Window_Bits : in Window_Bits_Type := Default_Window_Bits; - Memory_Level : in Memory_Level_Type := Default_Memory_Level; - Header : in Header_Type := Default); - -- Compressor initialization. - -- When Header parameter is Auto or Default, then default zlib header - -- would be provided for compressed data. - -- When Header is GZip, then gzip header would be set instead of - -- default header. - -- When Header is None, no header would be set for compressed data. - - procedure Inflate_Init - (Filter : in out Filter_Type; - Window_Bits : in Window_Bits_Type := Default_Window_Bits; - Header : in Header_Type := Default); - -- Decompressor initialization. - -- Default header type mean that ZLib default header is expecting in the - -- input compressed stream. - -- Header type None mean that no header is expecting in the input stream. - -- GZip header type mean that GZip header is expecting in the - -- input compressed stream. - -- Auto header type mean that header type (GZip or Native) would be - -- detected automatically in the input stream. - -- Note that header types parameter values None, GZip and Auto are - -- supported for inflate routine only in ZLib versions 1.2.0.2 and later. - -- Deflate_Init is supporting all header types. - - function Is_Open (Filter : in Filter_Type) return Boolean; - pragma Inline (Is_Open); - -- Is the filter opened for compression or decompression. - - procedure Close - (Filter : in out Filter_Type; - Ignore_Error : in Boolean := False); - -- Closing the compression or decompressor. - -- If stream is closing before the complete and Ignore_Error is False, - -- The exception would be raised. - - generic - with procedure Data_In - (Item : out Ada.Streams.Stream_Element_Array; - Last : out Ada.Streams.Stream_Element_Offset); - with procedure Data_Out - (Item : in Ada.Streams.Stream_Element_Array); - procedure Generic_Translate - (Filter : in out Filter_Type; - In_Buffer_Size : in Integer := Default_Buffer_Size; - Out_Buffer_Size : in Integer := Default_Buffer_Size); - -- Compress/decompress data fetch from Data_In routine and pass the result - -- to the Data_Out routine. User should provide Data_In and Data_Out - -- for compression/decompression data flow. - -- Compression or decompression depend on Filter initialization. - - function Total_In (Filter : in Filter_Type) return Count; - pragma Inline (Total_In); - -- Returns total number of input bytes read so far - - function Total_Out (Filter : in Filter_Type) return Count; - pragma Inline (Total_Out); - -- Returns total number of bytes output so far - - function CRC32 - (CRC : in Unsigned_32; - Data : in Ada.Streams.Stream_Element_Array) - return Unsigned_32; - pragma Inline (CRC32); - -- Compute CRC32, it could be necessary for make gzip format - - procedure CRC32 - (CRC : in out Unsigned_32; - Data : in Ada.Streams.Stream_Element_Array); - pragma Inline (CRC32); - -- Compute CRC32, it could be necessary for make gzip format - - ------------------------------------------------- - -- Below is more complex low level routines. -- - ------------------------------------------------- - - procedure Translate - (Filter : in out Filter_Type; - In_Data : in Ada.Streams.Stream_Element_Array; - In_Last : out Ada.Streams.Stream_Element_Offset; - Out_Data : out Ada.Streams.Stream_Element_Array; - Out_Last : out Ada.Streams.Stream_Element_Offset; - Flush : in Flush_Mode); - -- Compress/decompress the In_Data buffer and place the result into - -- Out_Data. In_Last is the index of last element from In_Data accepted by - -- the Filter. Out_Last is the last element of the received data from - -- Filter. To tell the filter that incoming data are complete put the - -- Flush parameter to Finish. - - function Stream_End (Filter : in Filter_Type) return Boolean; - pragma Inline (Stream_End); - -- Return the true when the stream is complete. - - procedure Flush - (Filter : in out Filter_Type; - Out_Data : out Ada.Streams.Stream_Element_Array; - Out_Last : out Ada.Streams.Stream_Element_Offset; - Flush : in Flush_Mode); - pragma Inline (Flush); - -- Flushing the data from the compressor. - - generic - with procedure Write - (Item : in Ada.Streams.Stream_Element_Array); - -- User should provide this routine for accept - -- compressed/decompressed data. - - Buffer_Size : in Ada.Streams.Stream_Element_Offset - := Default_Buffer_Size; - -- Buffer size for Write user routine. - - procedure Write - (Filter : in out Filter_Type; - Item : in Ada.Streams.Stream_Element_Array; - Flush : in Flush_Mode := No_Flush); - -- Compress/Decompress data from Item to the generic parameter procedure - -- Write. Output buffer size could be set in Buffer_Size generic parameter. - - generic - with procedure Read - (Item : out Ada.Streams.Stream_Element_Array; - Last : out Ada.Streams.Stream_Element_Offset); - -- User should provide data for compression/decompression - -- thru this routine. - - Buffer : in out Ada.Streams.Stream_Element_Array; - -- Buffer for keep remaining data from the previous - -- back read. - - Rest_First, Rest_Last : in out Ada.Streams.Stream_Element_Offset; - -- Rest_First have to be initialized to Buffer'Last + 1 - -- Rest_Last have to be initialized to Buffer'Last - -- before usage. - - Allow_Read_Some : in Boolean := False; - -- Is it allowed to return Last < Item'Last before end of data. - - procedure Read - (Filter : in out Filter_Type; - Item : out Ada.Streams.Stream_Element_Array; - Last : out Ada.Streams.Stream_Element_Offset; - Flush : in Flush_Mode := No_Flush); - -- Compress/Decompress data from generic parameter procedure Read to the - -- Item. User should provide Buffer and initialized Rest_First, Rest_Last - -- indicators. If Allow_Read_Some is True, Read routines could return - -- Last < Item'Last only at end of stream. - -private - - use Ada.Streams; - - pragma Assert (Ada.Streams.Stream_Element'Size = 8); - pragma Assert (Ada.Streams.Stream_Element'Modulus = 2**8); - - type Flush_Mode is new Integer range 0 .. 5; - - type Compression_Method is new Integer range 8 .. 8; - - type Strategy_Type is new Integer range 0 .. 3; - - No_Flush : constant Flush_Mode := 0; - Partial_Flush : constant Flush_Mode := 1; - Sync_Flush : constant Flush_Mode := 2; - Full_Flush : constant Flush_Mode := 3; - Finish : constant Flush_Mode := 4; - Block_Flush : constant Flush_Mode := 5; - - Filtered : constant Strategy_Type := 1; - Huffman_Only : constant Strategy_Type := 2; - RLE : constant Strategy_Type := 3; - Default_Strategy : constant Strategy_Type := 0; - - Deflated : constant Compression_Method := 8; - - type Z_Stream; - - type Z_Stream_Access is access all Z_Stream; - - type Filter_Type is tagged limited record - Strm : Z_Stream_Access; - Compression : Boolean; - Stream_End : Boolean; - Header : Header_Type; - CRC : Unsigned_32; - Offset : Stream_Element_Offset; - -- Offset for gzip header/footer output. - end record; - -end ZLib; diff --git a/cpukit/zlib/contrib/ada/zlib.gpr b/cpukit/zlib/contrib/ada/zlib.gpr deleted file mode 100644 index 296b22aa96..0000000000 --- a/cpukit/zlib/contrib/ada/zlib.gpr +++ /dev/null @@ -1,20 +0,0 @@ -project Zlib is - - for Languages use ("Ada"); - for Source_Dirs use ("."); - for Object_Dir use "."; - for Main use ("test.adb", "mtest.adb", "read.adb", "buffer_demo"); - - package Compiler is - for Default_Switches ("ada") use ("-gnatwcfilopru", "-gnatVcdfimorst", "-gnatyabcefhiklmnoprst"); - end Compiler; - - package Linker is - for Default_Switches ("ada") use ("-lz"); - end Linker; - - package Builder is - for Default_Switches ("ada") use ("-s", "-gnatQ"); - end Builder; - -end Zlib; |