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util/bitcompat.lua @ 12715:5dd00f806e32
util.crypto: Use Lua 5.2 API for predictable buffer size
In Lua 5.3 LUAL_BUFFERSIZE is a macro computed from sizeof and is thus
not known at pre-processing time, so this does not work.
Since Lua 5.1 is no longer supported, we can use luaL_prepbuffsize()
which is available from Lua 5.2
author | Kim Alvefur <zash@zash.se> |
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date | Mon, 11 Jul 2022 17:11:38 +0200 |
parent | 12573:0f4feaf9ca64 |
child | 12975:d10957394a3c |
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-- Compatibility layer for bitwise operations -- First try the bit32 lib -- Lua 5.3 has it with compat enabled -- Lua 5.2 has it by default if _G.bit32 then return _G.bit32; end do -- Lua 5.3 and 5.4 would be able to use native infix operators local ok, bitop = pcall(require, "util.bit53") if ok then return bitop; end end error "No bit module found. See https://prosody.im/doc/depends#bitop";