+/* Wrapper for tx power list */
+static int iwinfo_L_txpwrlist(lua_State *L, int (*func)(const char *, char *, int *))
+{
+ int i, x, len;
+ char rv[IWINFO_BUFSIZE];
+ const char *ifname = luaL_checkstring(L, 1);
+ struct iwinfo_txpwrlist_entry *e;
+
+ lua_newtable(L);
+ memset(rv, 0, sizeof(rv));
+
+ if( !(*func)(ifname, rv, &len) )
+ {
+ for( i = 0, x = 1; i < len; i += sizeof(struct iwinfo_txpwrlist_entry), x++ )
+ {
+ e = (struct iwinfo_txpwrlist_entry *) &rv[i];
+
+ lua_pushinteger(L, x);
+ lua_newtable(L);
+
+ lua_pushnumber(L, e->mw);
+ lua_setfield(L, -2, "mw");
+
+ lua_pushnumber(L, e->dbm);
+ lua_setfield(L, -2, "dbm");
+
+ lua_settable(L, -3);
+ }
+ }
+
+ return 1;
+}
+