view util/bit53.lua @ 14213:75d09be04f13 13.0

util.poll: Reject file descriptors outside of FD_SETSIZE in all methods To prevent accesses outside the bounds of the FD sets. Previously only checked on the write, but maybe this could potentially cause weird behavior as well?
author Kim Alvefur <zash@zash.se>
date Sun, 31 May 2026 11:51:22 +0200
parents 9912baa541c0
children
line wrap: on
line source

-- Only the operators needed by net.websocket.frames are provided at this point
return {
	band   = function (a, b, ...)
		local ret = a & b;
		if ... then
			for i = 1, select("#", ...) do
				ret = ret & (select(i, ...));
			end
		end
		return ret;
	end;
	bor    = function (a, b, ...)
		local ret = a | b;
		if ... then
			for i = 1, select("#", ...) do
				ret = ret | (select(i, ...));
			end
		end
		return ret;
	end;
	bxor   = function (a, b, ...)
		local ret = a ~ b;
		if ... then
			for i = 1, select("#", ...) do
				ret = ret ~ (select(i, ...));
			end
		end
		return ret;
	end;
	bnot   = function (x)
		return ~x;
	end;
	rshift = function (a, n) return a >> n end;
	lshift = function (a, n) return a << n end;
};