prosody
d3649ae194ab
util/bit53.lua

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util/bit53.lua @ 13556:d3649ae194ab

mod_s2s: Clone queued outgoing stanzas to prevent changes This clone call was lost in 902d25cd0557 Affects e.g. presence broadcasts, where the same stanza is sent many times while mutating the 'to' attribute.
author Kim Alvefur <zash@zash.se>
date Sun, 10 Nov 2024 15:10:26 +0100
parent 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>
parents:
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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)
Kim Alvefur <zash@zash.se>
parents:
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2 return {
12365
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
Matthew Wild <mwild1@gmail.com>
parents: 12358
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4 local ret = a & b;
af02b033bd7f util.bit53: Support for more than 2 arguments, for compat with bit32
Matthew Wild <mwild1@gmail.com>
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
Matthew Wild <mwild1@gmail.com>
parents: 12358
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7 ret = ret & (select(i, ...));
af02b033bd7f util.bit53: Support for more than 2 arguments, for compat with bit32
Matthew Wild <mwild1@gmail.com>
parents: 12358
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8 end
af02b033bd7f util.bit53: Support for more than 2 arguments, for compat with bit32
Matthew Wild <mwild1@gmail.com>
parents: 12358
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9 end
af02b033bd7f util.bit53: Support for more than 2 arguments, for compat with bit32
Matthew Wild <mwild1@gmail.com>
parents: 12358
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10 return ret;
af02b033bd7f util.bit53: Support for more than 2 arguments, for compat with bit32
Matthew Wild <mwild1@gmail.com>
parents: 12358
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11 end;
af02b033bd7f util.bit53: Support for more than 2 arguments, for compat with bit32
Matthew Wild <mwild1@gmail.com>
parents: 12358
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12 bor = function (a, b, ...)
af02b033bd7f util.bit53: Support for more than 2 arguments, for compat with bit32
Matthew Wild <mwild1@gmail.com>
parents: 12358
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13 local ret = a | b;
af02b033bd7f util.bit53: Support for more than 2 arguments, for compat with bit32
Matthew Wild <mwild1@gmail.com>
parents: 12358
diff changeset
14 if ... then
af02b033bd7f util.bit53: Support for more than 2 arguments, for compat with bit32
Matthew Wild <mwild1@gmail.com>
parents: 12358
diff changeset
15 for i = 1, select("#", ...) do
af02b033bd7f util.bit53: Support for more than 2 arguments, for compat with bit32
Matthew Wild <mwild1@gmail.com>
parents: 12358
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16 ret = ret | (select(i, ...));
af02b033bd7f util.bit53: Support for more than 2 arguments, for compat with bit32
Matthew Wild <mwild1@gmail.com>
parents: 12358
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17 end
af02b033bd7f util.bit53: Support for more than 2 arguments, for compat with bit32
Matthew Wild <mwild1@gmail.com>
parents: 12358
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18 end
af02b033bd7f util.bit53: Support for more than 2 arguments, for compat with bit32
Matthew Wild <mwild1@gmail.com>
parents: 12358
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19 return ret;
af02b033bd7f util.bit53: Support for more than 2 arguments, for compat with bit32
Matthew Wild <mwild1@gmail.com>
parents: 12358
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20 end;
af02b033bd7f util.bit53: Support for more than 2 arguments, for compat with bit32
Matthew Wild <mwild1@gmail.com>
parents: 12358
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21 bxor = function (a, b, ...)
af02b033bd7f util.bit53: Support for more than 2 arguments, for compat with bit32
Matthew Wild <mwild1@gmail.com>
parents: 12358
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22 local ret = a ~ b;
af02b033bd7f util.bit53: Support for more than 2 arguments, for compat with bit32
Matthew Wild <mwild1@gmail.com>
parents: 12358
diff changeset
23 if ... then
af02b033bd7f util.bit53: Support for more than 2 arguments, for compat with bit32
Matthew Wild <mwild1@gmail.com>
parents: 12358
diff changeset
24 for i = 1, select("#", ...) do
af02b033bd7f util.bit53: Support for more than 2 arguments, for compat with bit32
Matthew Wild <mwild1@gmail.com>
parents: 12358
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25 ret = ret ~ (select(i, ...));
af02b033bd7f util.bit53: Support for more than 2 arguments, for compat with bit32
Matthew Wild <mwild1@gmail.com>
parents: 12358
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26 end
af02b033bd7f util.bit53: Support for more than 2 arguments, for compat with bit32
Matthew Wild <mwild1@gmail.com>
parents: 12358
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27 end
af02b033bd7f util.bit53: Support for more than 2 arguments, for compat with bit32
Matthew Wild <mwild1@gmail.com>
parents: 12358
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28 return ret;
af02b033bd7f util.bit53: Support for more than 2 arguments, for compat with bit32
Matthew Wild <mwild1@gmail.com>
parents: 12358
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29 end;
13449
9912baa541c0 util.bit53: Add bnot() method
Matthew Wild <mwild1@gmail.com>
parents: 12365
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30 bnot = function (x)
9912baa541c0 util.bit53: Add bnot() method
Matthew Wild <mwild1@gmail.com>
parents: 12365
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31 return ~x;
9912baa541c0 util.bit53: Add bnot() method
Matthew Wild <mwild1@gmail.com>
parents: 12365
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32 end;
12358
d77d8fba44ad util.bit53: Add left- and right shift operations
Kim Alvefur <zash@zash.se>
parents: 10241
diff changeset
33 rshift = function (a, n) return a >> n end;
d77d8fba44ad util.bit53: Add left- and right shift operations
Kim Alvefur <zash@zash.se>
parents: 10241
diff changeset
34 lshift = function (a, n) return a << n end;
10241
48f7cda4174d util.bitops: Library to find appropriate bitwise library (closes #1395)
Kim Alvefur <zash@zash.se>
parents:
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35 };
48f7cda4174d util.bitops: Library to find appropriate bitwise library (closes #1395)
Kim Alvefur <zash@zash.se>
parents:
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36