Rework LuCI build system

[project/luci.git] / libs / nixio / src / bit.c

diff --git a/libs/nixio/src/bit.c b/libs/nixio/src/bit.c
deleted file mode 100644 (file)
index 1b352c5..0000000
--- a/libs/nixio/src/bit.c
+++ /dev/null
@@ -1,149 +0,0 @@
-/*
- * nixio - Linux I/O library for lua
- *
- *   Copyright (C) 2009 Steven Barth <steven@midlink.org>
- *
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- */
-
-#include "nixio.h"
-#include <stdint.h>
-#include <stdlib.h>
-
-/* 52 bit maximum precision */
-#ifdef NIXIO_DOUBLE
-#define NIXIO_BIT_BMAX 52
-#define NIXIO_BIT_NMAX 0xfffffffffffff
-#else
-#define NIXIO_BIT_BMAX 32
-#define NIXIO_BIT_NMAX 0xffffffff
-#endif
-
-#define NIXIO_BIT_XOP(BIT_XOP)                                         \
-       uint64_t oper = nixio__checknumber(L, 1);               \
-       const int args = lua_gettop(L);                                 \
-                                                                                                       \
-       for (int i = 2; i <= args; i++) {                               \
-               uint64_t oper2 = nixio__checknumber(L, i);      \
-               oper BIT_XOP oper2;                                                     \
-       }                                                                                               \
-                                                                                                       \
-       nixio__pushnumber(L, oper);                                             \
-       return 1;                                                                               \
-
-
-static int nixio_bit_or(lua_State *L) {
-       NIXIO_BIT_XOP(|=);
-}
-
-static int nixio_bit_and(lua_State *L) {
-       NIXIO_BIT_XOP(&=);
-}
-
-static int nixio_bit_xor(lua_State *L) {
-       NIXIO_BIT_XOP(^=);
-}
-
-static int nixio_bit_unset(lua_State *L) {
-       NIXIO_BIT_XOP(&= ~);
-}
-
-static int nixio_bit_not(lua_State *L) {
-       nixio__pushnumber(L,
-                       (~((uint64_t)nixio__checknumber(L, 1))) & NIXIO_BIT_NMAX);
-       return 1;
-}
-
-static int nixio_bit_shl(lua_State *L) {
-       uint64_t oper = nixio__checknumber(L, 1);
-       oper <<= luaL_checkinteger(L, 2);
-       if (oper > NIXIO_BIT_NMAX) {
-               return luaL_error(L, "arithmetic overflow");
-       } else {
-               nixio__pushnumber(L, oper);
-               return 1;
-       }
-}
-
-static int nixio_bit_ashr(lua_State *L) {
-       int64_t oper = nixio__checknumber(L, 1);
-       nixio__pushnumber(L, oper >> luaL_checkinteger(L, 2));
-       return 1;
-}
-
-static int nixio_bit_shr(lua_State *L) {
-       uint64_t oper = nixio__checknumber(L, 1);
-       nixio__pushnumber(L, oper >> luaL_checkinteger(L, 2));
-       return 1;
-}
-
-static int nixio_bit_div(lua_State *L) {
-       uint64_t oper = luaL_checknumber(L, 1);
-       const int args = lua_gettop(L);
-
-       for (int i = 2; i <= args; i++) {
-               uint64_t oper2 = nixio__checknumber(L, i);
-               oper /= oper2;
-       }
-
-       nixio__pushnumber(L, oper);
-       return 1;
-}
-
-static int nixio_bit_check(lua_State *L) {
-       uint64_t oper  = nixio__checknumber(L, 1);
-       uint64_t oper2 = nixio__checknumber(L, 2);
-       lua_pushboolean(L, (oper & oper2) == oper2);
-       return 1;
-}
-
-static int nixio_bit_cast(lua_State *L) {
-       nixio__pushnumber(L, ((uint64_t)nixio__checknumber(L, 1)) & NIXIO_BIT_NMAX);
-       return 1;
-}
-
-static int nixio_bit_swap(lua_State *L) {
-       uint64_t op = nixio__checknumber(L, 1);
-       op = (op >> 24) | ((op >> 8) & 0xff00) | ((op & 0xff00) << 8) | (op << 24);
-       nixio__pushnumber(L, op);
-       return 1;
-}
-
-/* module table */
-static const luaL_reg R[] = {
-       {"bor",                 nixio_bit_or},
-       {"set",                 nixio_bit_or},
-       {"band",                nixio_bit_and},
-       {"bxor",                nixio_bit_xor},
-       {"unset",               nixio_bit_unset},
-       {"bnot",                nixio_bit_not},
-       {"rshift",              nixio_bit_shr},
-       {"arshift",             nixio_bit_ashr},
-       {"lshift",              nixio_bit_shl},
-       {"div",                 nixio_bit_div},
-       {"check",               nixio_bit_check},
-       {"cast",                nixio_bit_cast},
-       {"tobit",               nixio_bit_cast},
-       {"bswap",               nixio_bit_swap},
-       {NULL,                  NULL}
-};
-
-void nixio_open_bit(lua_State *L) {
-       lua_newtable(L);
-       luaL_register(L, NULL, R);
-       nixio__pushnumber(L, NIXIO_BIT_BMAX);
-       lua_setfield(L, -2, "bits");
-       nixio__pushnumber(L, NIXIO_BIT_NMAX);
-       lua_setfield(L, -2, "max");
-       lua_setfield(L, -2, "bit");
-}