libs/iwinfo/src/iwinfo_lualib.h

   1 /*
   2  * iwinfo - Wireless Information Library - Lua Headers
   3  *
   4  *   Copyright (C) 2009 Jo-Philipp Wich <xm@subsignal.org>
   5  *
   6  * The iwinfo library is free software: you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License version 2
   8  * as published by the Free Software Foundation.
   9  *
  10  * The iwinfo library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  13  * See the GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with the iwinfo library. If not, see http://www.gnu.org/licenses/.
  17  */
  18
  19 #ifndef __IWINFO_LUALUB_H_
  20 #define __IWINFO_LUALIB_H_
  21
  22 #include <lua.h>
  23 #include <lualib.h>
  24 #include <lauxlib.h>
  25
  26 #include "iwinfo.h"
  27 #include "iwinfo_wext_scan.h"
  28
  29
  30 #define IWINFO_META                     "iwinfo"
  31 #define IWINFO_WL_META          "iwinfo.wl"
  32 #define IWINFO_MADWIFI_META     "iwinfo.madwifi"
  33 #define IWINFO_WEXT_META        "iwinfo.wext"
  34
  35 #define LUA_REG(type,op) \
  36         { #op, iwinfo_L_##type##_##op }
  37
  38 #define LUA_WRAP_INT(type,op)                                                   \
  39         static int iwinfo_L_##type##_##op(lua_State *L)         \
  40         {                                                                                                       \
  41                 const char *ifname = luaL_checkstring(L, 1);    \
  42                 int rv;                                                                                 \
  43                 if( !type##_get_##op(ifname, &rv) )                             \
  44                         lua_pushnumber(L, rv);                                          \
  45                 else                                                                                    \
  46                         lua_pushnil(L);                                                         \
  47                 return 1;                                                                               \
  48         }
  49
  50 #define LUA_WRAP_STRING(type,op)                                                \
  51         static int iwinfo_L_##type##_##op(lua_State *L)         \
  52         {                                                                                                       \
  53                 const char *ifname = luaL_checkstring(L, 1);    \
  54                 char rv[IWINFO_BUFSIZE];                                                \
  55                 memset(rv, 0, IWINFO_BUFSIZE);                                  \
  56                 if( !type##_get_##op(ifname, rv) )                              \
  57                         lua_pushstring(L, rv);                                          \
  58                 else                                                                                    \
  59                         lua_pushnil(L);                                                         \
  60                 return 1;                                                                               \
  61         }
  62
  63 #define LUA_WRAP_LIST(type,op)                                                  \
  64         static int iwinfo_L_##type##_##op(lua_State *L)         \
  65         {                                                                                                       \
  66                 return iwinfo_L_##op(L, type##_get_##op);               \
  67         }
  68
  69 #endif
  70