# HG changeset patch
# User Matthew Wild <mwild1@gmail.com>
# Date 1646422679 0
# Node ID af02b033bd7fe60b4644a6e30051ad3daa27051f
# Parent  261ce358e43622c9e080da7b7d82594cce1d1d09
util.bit53: Support for more than 2 arguments, for compat with bit32

diff -r 261ce358e436 -r af02b033bd7f util/bit53.lua
--- a/util/bit53.lua	Fri Mar 04 17:46:33 2022 +0100
+++ b/util/bit53.lua	Fri Mar 04 19:37:59 2022 +0000
@@ -1,8 +1,32 @@
 -- Only the operators needed by net.websocket.frames are provided at this point
 return {
-	band   = function (a, b) return a & b end;
-	bor    = function (a, b) return a | b end;
-	bxor   = function (a, b) return a ~ b end;
+	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;
 	rshift = function (a, n) return a >> n end;
 	lshift = function (a, n) return a << n end;
 };