docs/Writerside/topics/about.md

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1 # Overview
2
3 Welcome to the UAP Common Extensions.
4
5 With this library we provide useful data structures and algorithms for common
6 programmatic tasks in the C language. Using the build files you can create
7 a static and a shared lib containing all units, but you may also use the UCX
8 sources in your project and compile specific units by yourself.
9
10 If you want to use this library, you can [download and install](install.md)
11 the recent version.
12 The source code is also available as Mercurial repository [at our site][1] and
13 on [Source Forge][2].
14
15 [1]: https://develop.uap-core.de/hg/ucx/
16 [2]: https://sourceforge.net/p/ucx/code/
17
18 ### Authors
19
20 Mike Becker [<universe@uap-core.de>](mailto:universe@uap-core.de)
21
22 Olaf Wintermann
23 [<olaf.wintermann@gmail.com>](mailto:olaf.wintermann@gmail.com)
24
25 Changelog
26 ---------
27
28 ### Version 3.0 - 2023-07-09 {collapsible="true"}
29
30 * complete redesign from scratch
31 * collections can now store copies of objects and not just pointers
32 * collections are now dynamically implemented
33 * users of the library can specify own implementations of collections that work with the UCX API
34 * low level API for custom lists that do not use the UCX structures
35 * various fixes and improvements
36 * drops some other, rarely used, features
37 * removes testing implementation from the lib
38
39 ### Version 2.1 - 2019-12-30 {collapsible="true"}
40
41 * adds string replace functions
42 * adds set operations for ` UcxList` and `UcxMap`
43 * adds `sstrcaseprefix()` and `sstrcasesuffix()`
44 * improves Doxygen documentation in ucx/string.h
45 * adds `UcxArray` data type
46 * adds support for CMake builds, but main build system is still autotools
47
48 ### Version 2.0 - 2018-12-28 {collapsible="true"}
49
50 * some uncritical bug fixes
51 * overflow of `sstrnlen` now returns `SIZE_MAX` instead of zero
52 * adds `scstr_t` - a `const char*` variant for sstr_t
53 * renames utility compare functions
54
55 ### Version 1.1 - 2018-05-14 {collapsible="true"}
56
57 * adds missing 32 bit support to integer overflow checks
58 * adds `ucx_buffer_to_sstr()` macro
59 * adds `ucx_avl_free_content()`
60 * adds some more compare and distance functions in utils.h
61 * adds `SFMT()` and `PRIsstr` convenience macros
62 * destructor functions for `*_free_content()` functions are now optional
63
64 ### Version 1.0.1 - 2018-01-21 {collapsible="true"}
65
66 * some bug fixes
67 * adds integer overflow checks
68
69 ### Version 1.0 - 2017-10-28 {collapsible="true"}
70
71 * first stable version of UCX released

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