prosody
2f38f3275a74
util/bit53.lua

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util/bit53.lua @ 13616:2f38f3275a74

mod_cloud_notify: Merge from prosody-modules@fc521fb5ffa0 Many thanks to Thilo Molitor and Kim Alvefur for their work on this module while it was in the community repository. It has been stable for some time, is widely used, and provides a feature that is important to most deployments.
author Matthew Wild <mwild1@gmail.com>
date Thu, 09 Jan 2025 16:49:27 +0000
parent 13449:9912baa541c0
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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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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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5 if ... then
af02b033bd7f util.bit53: Support for more than 2 arguments, for compat with bit32
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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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8 end
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9 end
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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;
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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
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, ...));
af02b033bd7f util.bit53: Support for more than 2 arguments, for compat with bit32
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parents: 12358
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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
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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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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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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;
13449
9912baa541c0 util.bit53: Add bnot() method
Matthew Wild <mwild1@gmail.com>
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30 bnot = function (x)
9912baa541c0 util.bit53: Add bnot() method
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31 return ~x;
9912baa541c0 util.bit53: Add bnot() method
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32 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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33 rshift = function (a, n) return a >> n end;
d77d8fba44ad util.bit53: Add left- and right shift operations
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parents: 10241
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34 lshift = function (a, n) return a << n end;
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48f7cda4174d util.bitops: Library to find appropriate bitwise library (closes #1395)
Kim Alvefur <zash@zash.se>
parents:
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35 };
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36