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util/id.lua @ 10799:763bb2ce3f60
util.pposix,signal: Pass around various OS numbers as integers [Lua 5.3]
Passing around PIDs, UIDs etc as integers makes it more sane in Lua 5.3.
Getting 1234.0 as PID is silly. Shouldn't change any behavior as these
are all integers on the C side and the integral floats are accepted as
integers when passed back from Lua into C.
author | Kim Alvefur <zash@zash.se> |
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date | Mon, 04 May 2020 21:51:30 +0200 |
parent | 8016:9546c629289b |
child | 12110:b5b799a2a10c |
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-- Prosody IM -- Copyright (C) 2008-2017 Matthew Wild -- Copyright (C) 2008-2017 Waqas Hussain -- Copyright (C) 2008-2017 Kim Alvefur -- -- This project is MIT/X11 licensed. Please see the -- COPYING file in the source package for more information. -- local s_gsub = string.gsub; local random_bytes = require "util.random".bytes; local base64_encode = require "util.encodings".base64.encode; local b64url = { ["+"] = "-", ["/"] = "_", ["="] = "" }; local function b64url_random(len) return (s_gsub(base64_encode(random_bytes(len)), "[+/=]", b64url)); end return { short = function () return b64url_random(6); end; medium = function () return b64url_random(12); end; long = function () return b64url_random(24); end; custom = function (size) return function () return b64url_random(size); end; end; }