prosody
0605d4f03e25
util/bit53.lua

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util/bit53.lua @ 12827:0605d4f03e25

net.server_epoll: Factor out single main loop step into its own function This isn't actually used in Prosody, so no value in complicating the real main loop because of it
author Kim Alvefur <zash@zash.se>
date Fri, 06 Jan 2023 02:31:21 +0100
parent 12365:af02b033bd7f
child 13449:9912baa541c0
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
10241
48f7cda4174d util.bitops: Library to find appropriate bitwise library (closes #1395)
Kim Alvefur <zash@zash.se>
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1 -- Only the operators needed by net.websocket.frames are provided at this point
48f7cda4174d util.bitops: Library to find appropriate bitwise library (closes #1395)
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2 return {
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af02b033bd7f util.bit53: Support for more than 2 arguments, for compat with bit32
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3 band = function (a, b, ...)
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4 local ret = a & b;
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5 if ... then
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6 for i = 1, select("#", ...) do
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7 ret = ret & (select(i, ...));
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8 end
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9 end
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10 return ret;
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11 end;
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12 bor = function (a, b, ...)
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13 local ret = a | b;
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14 if ... then
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15 for i = 1, select("#", ...) do
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16 ret = ret | (select(i, ...));
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17 end
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18 end
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19 return ret;
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20 end;
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21 bxor = function (a, b, ...)
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22 local ret = a ~ b;
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23 if ... then
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24 for i = 1, select("#", ...) do
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25 ret = ret ~ (select(i, ...));
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26 end
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27 end
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28 return ret;
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29 end;
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d77d8fba44ad util.bit53: Add left- and right shift operations
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30 rshift = function (a, n) return a >> n end;
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31 lshift = function (a, n) return a << n end;
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32 };
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33