I'm looking for a good tutorial on zlib. I'm interested only in decompressing the archives. I also want to know how I can access a desired file inside an archive, preferably by filename alone, if that can be done in zlib at all.
What is Python zlib. The Python zlib library provides a Python interface to the zlib C library, which is a higher-level abstraction for the DEFLATE lossless compression algorithm. The data format used by the library is specified in the RFC 1950 to 1952, which is available at http://www.ietf.org/rfc/rfc1950.txt.
zlib is a free, open source software library for lossless data compression and decompression . It was written by Jean-loup Gailly (compression) and Mark Adler (decompression), in C language. The first version of zlib was released in May 1995.
Well there are many zlib articles , tips and tutorials. Some of them are
1) Bobobobo's Blog
Website: http://bobobobo.wordpress.com/2008/02/23/how-to-use-zlib/
This article basically tells you how to use zlib, and there is a snippet of code that will get you going. This project shows you how to use zlib. Its a console project, because there's no need to create a window to demonstrate use of zlib.
2) zlib: Add Industrial Strength Compression to Your C/C++ Apps
Website: https://www.codeguru.com/cplusplus/zlib-add-industrial-strength-compression-to-your-c-c-apps/
For simplicity's sake, this tutorial covers only the basic C-style interface. All the concepts inherent there will be relevant to most other bindings. Since its in C language, it will be most beneficial to your requirements.
Last, you can use this too available in zlib ... Zlib contains them. Have a look in the manual under "Utility Functions".
ZEXTERN int ZEXPORT uncompress OF((Bytef *dest, uLongf *destLen, const Bytef *source, uLong sourceLen));
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