neoxic / lua-ezlib

Easy zlib module for Lua

Easy zlib module for Lua

lua-ezlib provides the following API:

ezlib.deflate(str, [fmt], [lvl])

Deflates str using the format fmt (a string) that can be one of the following:

• zlib: zlib format (default);
• gzip: gzip format;
• raw: raw deflate;

Optional compression level lvl must be between 0 and 9 (the default is 6).

ezlib.inflate(str, [fmt])

Inflates str using the format fmt (a string) that can be one of the following:

• zlib: zlib format (default);
• gzip: gzip format;
• raw: raw inflate;
• auto: zlib or gzip format;

ezlib.type(str)

Returns the type of compressed data in str. Possible values are 'zlib', 'gzip' or nil.

ezlib.crc32(str)

Returns a CRC-32 checksum for str.

ezlib.adler32(str)

Returns an Adler-32 checksum for str.

Building and installing with LuaRocks

To build and install, run:

luarocks make
luarocks test

To install the latest release using luarocks.org, run:

luarocks install lua-ezlib