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util.dbuffer: dynamic string buffer Similar to util.ringbuffer (and shares almost identical API). Differences: - size limit is optional and dynamic - does not allocate a fixed buffer of max_size bytes - focus on simply storing references to existing string objects where possible, avoiding unnecessary allocations - references are still stored in a ring buffer to enable use as a fast FIFO Optional second parameter to new() provides the number of ring buffer segments. On Lua 5.2 on my laptop, a segment is ~19 bytes. If the ring buffer fills up, the next write will compact all strings into a single item.

Welcome hackers!

This project accepts and *encourages* contributions. If you would like to get 
involved you can join us on our mailing list and discussion rooms. More 
information on these at https://prosody.im/discuss

Patches are welcome, though before sending we would appreciate if you read 
docs/coding_style.md for guidelines on how to format your code, and other tips.

Documentation for developers can be found at https://prosody.im/doc/developers

Have fun :)