prosody
e531273341d3
util/envload.lua

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util/envload.lua @ 10681:e531273341d3 0.11

net.server_epoll: Fix indentation Some lines seem to have gotten the wrong indentation, possibly caused by Meld which often ignores lines with only whitespace changes and leaves their previous indentation.
author Kim Alvefur <zash@zash.se>
date Wed, 11 Mar 2020 18:07:03 +0100
parent 8416:bc9cb23b604a
child 12576:d1aacc6a81ac
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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ef1eb65acbba util.envload: New module to abstract Lua 5.1's setfenv and Lua 5.2's load
Florian Zeitz <florob@babelmonkeys.de>
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1 -- Prosody IM
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2 -- Copyright (C) 2008-2011 Florian Zeitz
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3 --
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4 -- This project is MIT/X11 licensed. Please see the
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5 -- COPYING file in the source package for more information.
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6 --
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7 -- luacheck: ignore 113/setfenv 113/loadstring
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8
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9 local load, loadstring, setfenv = load, loadstring, setfenv;
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10 local io_open = io.open;
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11 local envload;
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12 local envloadfile;
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13
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14 if setfenv then
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15 function envload(code, source, env)
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16 local f, err = loadstring(code, source);
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17 if f and env then setfenv(f, env); end
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18 return f, err;
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19 end
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20
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21 function envloadfile(file, env)
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22 local fh, err, errno = io_open(file);
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23 if not fh then return fh, err, errno; end
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24 local f, err = load(function () return fh:read(2048); end, "@"..file);
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25 fh:close();
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26 if f and env then setfenv(f, env); end
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27 return f, err;
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28 end
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29 else
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30 function envload(code, source, env)
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31 return load(code, source, nil, env);
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32 end
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33
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34 function envloadfile(file, env)
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35 local fh, err, errno = io_open(file);
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36 if not fh then return fh, err, errno; end
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37 local f, err = load(fh:lines(2048), "@"..file, nil, env);
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38 fh:close();
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39 return f, err;
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40 end
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41 end
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42
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43 return { envload = envload, envloadfile = envloadfile };