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-rw-r--r--util/bit53.lua30
1 files changed, 27 insertions, 3 deletions
diff --git a/util/bit53.lua b/util/bit53.lua
index 06799a97..b5c473a3 100644
--- a/util/bit53.lua
+++ b/util/bit53.lua
@@ -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;
};