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util/bitcompat.lua

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util/bitcompat.lua @ 12884:f5a75aaa8a25

util.poll: Include unistd.h only for epoll This defines close(), which is only used with epoll, hence we don't need to include it when building in poll or select mode.
author Kim Alvefur <zash@zash.se>
date Fri, 10 Feb 2023 00:37:05 +0100
parent 12573:0f4feaf9ca64
child 12975:d10957394a3c
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 -- Compatibility layer for bitwise operations
48f7cda4174d util.bitops: Library to find appropriate bitwise library (closes #1395)
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2
48f7cda4174d util.bitops: Library to find appropriate bitwise library (closes #1395)
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3 -- First try the bit32 lib
48f7cda4174d util.bitops: Library to find appropriate bitwise library (closes #1395)
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4 -- Lua 5.3 has it with compat enabled
48f7cda4174d util.bitops: Library to find appropriate bitwise library (closes #1395)
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5 -- Lua 5.2 has it by default
48f7cda4174d util.bitops: Library to find appropriate bitwise library (closes #1395)
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6 if _G.bit32 then
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7 return _G.bit32;
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8 end
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9
48f7cda4174d util.bitops: Library to find appropriate bitwise library (closes #1395)
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10 do
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11 -- Lua 5.3 and 5.4 would be able to use native infix operators
48f7cda4174d util.bitops: Library to find appropriate bitwise library (closes #1395)
Kim Alvefur <zash@zash.se>
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12 local ok, bitop = pcall(require, "util.bit53")
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13 if ok then
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14 return bitop;
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15 end
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16 end
48f7cda4174d util.bitops: Library to find appropriate bitwise library (closes #1395)
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17
48f7cda4174d util.bitops: Library to find appropriate bitwise library (closes #1395)
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18 error "No bit module found. See https://prosody.im/doc/depends#bitop";