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1 | ZLib for Ada thick binding (ZLib.Ada) |
2 | Release 1.3 | |
3 | ||
4 | ZLib.Ada is a thick binding interface to the popular ZLib data | |
5 | compression library, available at http://www.gzip.org/zlib/. | |
6 | It provides Ada-style access to the ZLib C library. | |
7 | ||
8 | ||
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. | |
17 | ||
18 | - Add pragma Assert to check Stream_Element is 8 bit. | |
19 | ||
20 | - Fix extraction to buffer with exact known decompressed size. Error reported by | |
21 | Steve Sangwine. | |
22 | ||
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. | |
29 | ||
30 | ||
31 | How to build ZLib.Ada under GNAT | |
32 | ||
33 | You should have the ZLib library already build on your computer, before | |
34 | building ZLib.Ada. Make the directory of ZLib.Ada sources current and | |
35 | issue the command: | |
36 | ||
37 | gnatmake test -largs -L<directory where libz.a is> -lz | |
38 | ||
39 | Or use the GNAT project file build for GNAT 3.15 or later: | |
40 | ||
41 | gnatmake -Pzlib.gpr -L<directory where libz.a is> | |
42 | ||
43 | ||
44 | How to build ZLib.Ada under Aonix ObjectAda for Win32 7.2.2 | |
45 | ||
46 | 1. Make a project with all *.ads and *.adb files from the distribution. | |
47 | 2. Build the libz.a library from the ZLib C sources. | |
48 | 3. Rename libz.a to z.lib. | |
49 | 4. Add the library z.lib to the project. | |
50 | 5. Add the libc.lib library from the ObjectAda distribution to the project. | |
51 | 6. Build the executable using test.adb as a main procedure. | |
52 | ||
53 | ||
54 | How to use ZLib.Ada | |
55 | ||
56 | The source files test.adb and read.adb are small demo programs that show | |
57 | the main functionality of ZLib.Ada. | |
58 | ||
59 | The routines from the package specifications are commented. | |
60 | ||
61 | ||
62 | Homepage: http://zlib-ada.sourceforge.net/ | |
63 | Author: Dmitriy Anisimkov <anisimkov@yahoo.com> | |
64 | ||
65 | Contributors: Pascal Obry <pascal@obry.org>, Steve Sangwine <sjs@essex.ac.uk> |