2 -- Copyright (C) 2008-2010 Matthew Wild
3 -- Copyright (C) 2008-2010 Waqas Hussain
5 -- This project is MIT/X11 licensed. Please see the
6 -- COPYING file in the source package for more information.
12 * Windows support functions for Lua
22 static int Lget_nameservers(lua_State *L) {
23 char stack_buffer[1024]; // stack allocated buffer
24 IP4_ARRAY* ips = (IP4_ARRAY*) stack_buffer;
25 DWORD len = sizeof(stack_buffer);
28 status = DnsQueryConfig(DnsConfigDnsServerList, FALSE, NULL, NULL, ips, &len);
31 lua_createtable(L, ips->AddrCount, 0);
32 for (i = 0; i < ips->AddrCount; i++) {
33 DWORD ip = ips->AddrArray[i];
35 sprintf_s(ip_str, sizeof(ip_str), "%d.%d.%d.%d", (ip >> 0) & 255, (ip >> 8) & 255, (ip >> 16) & 255, (ip >> 24) & 255);
36 lua_pushstring(L, ip_str);
37 lua_rawseti(L, -2, i+1);
41 luaL_error(L, "DnsQueryConfig returned %d", status);
42 return 0; // unreachable, but prevents a compiler warning
46 static const luaL_Reg Reg[] =
48 { "get_nameservers", Lget_nameservers },
52 LUALIB_API int luaopen_util_windows(lua_State *L) {
53 luaL_register(L, "windows", Reg);
54 lua_pushliteral(L, "version"); /** version */
55 lua_pushliteral(L, "-3.14");