diff options
| -rw-r--r-- | util/bit53.lua | 30 |
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; }; |