<function name="Decompress" parent="util" type="libraryfunc"> <description>Decompresses the given string using [LZMA](https://en.wikipedia.org/wiki/LZMA) algorithm. Used to decompress strings previously compressed with <page>util.Compress</page>.</description>⤶ <description>Decompresses the given string using [LZMA](https://en.wikipedia.org/wiki/LZMA) algorithm. Used to decompress strings previously compressed with <page>util.Compress</page>.⤶ ⤶ <note>This function expects the compressed input data to have the uncompressed size of the data prepended to it as an 8-byte little-endian integer. [Source](https://github.com/garrynewman/bootil/blob/beb4cec8ad29533965491b767b177dc549e62d23/src/Bootil/Utility/CompressionLZMA.cpp#L101)⤶ ⤶ If your compressed input data was compressed by <page>util.Compress</page>, you don't need to worry about this - the uncompressed size of the data is already prepended to its output.⤶ ⤶ However, if your compressed data was produced using standard tools **_outside of Garry's Mod_**, you will need to manually prepend the length of the uncompressed data to its compressed form as an 8-byte little endian integer, or use third-party tools such as [gmod-lzma](https://github.com/WilliamVenner/gmod-lzma-rs) to compress your data instead.</note>⤶ </description>⤶ <realm>Shared and Menu</realm> <args> <arg name="compressedString" type="string">The compressed string to decompress.</arg> <arg name="maxSize" type="number" default="nil">The maximum size of uncompressed data in bytes, if greater it fails.</arg> </args> <rets> <ret name="" type="string">The original, decompressed string or `nil` on failure or invalid input. Also returns empty string if the input string was zero length ("").</ret> </rets> </function>