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1
2 ZLib for Ada thick binding (ZLib.Ada) 1 ZLib for Ada thick binding (ZLib.Ada)
3 Release 1.2 2 Release 1.3
4 3
5ZLib.Ada is a thick binding interface to the popular ZLib data 4ZLib.Ada is a thick binding interface to the popular ZLib data
6compression library, available at http://www.gzip.org/zlib/. 5compression library, available at http://www.gzip.org/zlib/.
7It provides Ada-style access to the ZLib C library. 6It provides Ada-style access to the ZLib C library.
8 7
9 8
10 Here are the main changes since ZLib.Ada 1.1: 9 Here are the main changes since ZLib.Ada 1.2:
10
11- Attension: ZLib.Read generic routine have a initialization requirement
12 for Read_Last parameter now. It is a bit incompartible with previous version,
13 but extends functionality, we could use new parameters Allow_Read_Some and
14 Flush now.
15
16- Added Is_Open routines to ZLib and ZLib.Streams packages.
11 17
12- The default header type has a name "Default" now. Auto is used only for 18- Add pragma Assert to check Stream_Element is 8 bit.
13 automatic GZip/ZLib header detection.
14 19
15- Added test for multitasking mtest.adb. 20- Fix extraction to buffer with exact known decompressed size. Error reported by
21 Steve Sangwine.
16 22
17- Added GNAT project file zlib.gpr. 23- Fix definition of ULong (changed to unsigned_long), fix regression on 64 bits
24 computers. Patch provided by Pascal Obry.
25
26- Add Status_Error exception definition.
27
28- Add pragma Assertion that Ada.Streams.Stream_Element size is 8 bit.
18 29
19 30
20 How to build ZLib.Ada under GNAT 31 How to build ZLib.Ada under GNAT
@@ -50,3 +61,5 @@ The routines from the package specifications are commented.
50 61
51Homepage: http://zlib-ada.sourceforge.net/ 62Homepage: http://zlib-ada.sourceforge.net/
52Author: Dmitriy Anisimkov <anisimkov@yahoo.com> 63Author: Dmitriy Anisimkov <anisimkov@yahoo.com>
64
65Contributors: Pascal Obry <pascal@obry.org>, Steve Sangwine <sjs@essex.ac.uk>