Software / code / prosody
File
util/random.lua @ 9340:368b092bf4bf
mod_storage_memory: Fix saving of remaining items during deletion
All data is compiled into functions that return new copies in order to
prevent mutation of stored data.
This has downsides.
Also an ugly hack.
| author | Kim Alvefur <zash@zash.se> |
|---|---|
| date | Sat, 22 Sep 2018 16:03:50 +0200 |
| parent | 8243:292f61d9d30a |
| child | 10014:5d2f7144fa12 |
line wrap: on
line source
-- Prosody IM -- Copyright (C) 2008-2014 Matthew Wild -- Copyright (C) 2008-2014 Waqas Hussain -- -- This project is MIT/X11 licensed. Please see the -- COPYING file in the source package for more information. -- local ok, crand = pcall(require, "util.crand"); if ok then return crand; end local urandom, urandom_err = io.open("/dev/urandom", "r"); local function bytes(n) return urandom:read(n); end if not urandom then function bytes() error("Unable to obtain a secure random number generator, please see https://prosody.im/doc/random ("..urandom_err..")"); end end return { bytes = bytes; _source = "/dev/urandom"; };