prosody
f424c9f1460b
util/bit53.lua

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util/bit53.lua @ 13357:f424c9f1460b

mod_mam: Use for loop in metadata query Some storage drivers will perform cleanup after the last iteration, but if only one step is taken this might be delayed until the garbage collector gets to it.
author Kim Alvefur <zash@zash.se>
date Sun, 26 Nov 2023 22:58:11 +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
Matthew Wild <mwild1@gmail.com>
parents: 12358
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3 band = function (a, b, ...)
af02b033bd7f util.bit53: Support for more than 2 arguments, for compat with bit32
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4 local ret = a & b;
af02b033bd7f util.bit53: Support for more than 2 arguments, for compat with bit32
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parents: 12358
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5 if ... then
af02b033bd7f util.bit53: Support for more than 2 arguments, for compat with bit32
Matthew Wild <mwild1@gmail.com>
parents: 12358
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6 for i = 1, select("#", ...) do
af02b033bd7f util.bit53: Support for more than 2 arguments, for compat with bit32
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7 ret = ret & (select(i, ...));
af02b033bd7f util.bit53: Support for more than 2 arguments, for compat with bit32
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parents: 12358
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8 end
af02b033bd7f util.bit53: Support for more than 2 arguments, for compat with bit32
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9 end
af02b033bd7f util.bit53: Support for more than 2 arguments, for compat with bit32
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10 return ret;
af02b033bd7f util.bit53: Support for more than 2 arguments, for compat with bit32
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parents: 12358
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11 end;
af02b033bd7f util.bit53: Support for more than 2 arguments, for compat with bit32
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parents: 12358
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12 bor = function (a, b, ...)
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13 local ret = a | b;
af02b033bd7f util.bit53: Support for more than 2 arguments, for compat with bit32
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parents: 12358
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14 if ... then
af02b033bd7f util.bit53: Support for more than 2 arguments, for compat with bit32
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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
af02b033bd7f util.bit53: Support for more than 2 arguments, for compat with bit32
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parents: 12358
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18 end
af02b033bd7f util.bit53: Support for more than 2 arguments, for compat with bit32
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19 return ret;
af02b033bd7f util.bit53: Support for more than 2 arguments, for compat with bit32
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20 end;
af02b033bd7f util.bit53: Support for more than 2 arguments, for compat with bit32
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21 bxor = function (a, b, ...)
af02b033bd7f util.bit53: Support for more than 2 arguments, for compat with bit32
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22 local ret = a ~ b;
af02b033bd7f util.bit53: Support for more than 2 arguments, for compat with bit32
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parents: 12358
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23 if ... then
af02b033bd7f util.bit53: Support for more than 2 arguments, for compat with bit32
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parents: 12358
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24 for i = 1, select("#", ...) do
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parents: 12358
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25 ret = ret ~ (select(i, ...));
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26 end
af02b033bd7f util.bit53: Support for more than 2 arguments, for compat with bit32
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parents: 12358
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27 end
af02b033bd7f util.bit53: Support for more than 2 arguments, for compat with bit32
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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
Kim Alvefur <zash@zash.se>
parents: 10241
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30 rshift = function (a, n) return a >> n end;
d77d8fba44ad util.bit53: Add left- and right shift operations
Kim Alvefur <zash@zash.se>
parents: 10241
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31 lshift = function (a, n) return a << n end;
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Kim Alvefur <zash@zash.se>
parents:
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32 };
48f7cda4174d util.bitops: Library to find appropriate bitwise library (closes #1395)
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parents:
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33