/* Prosody IM
-- Copyright (C) 2008-2010 Matthew Wild
-- Copyright (C) 2008-2010 Waqas Hussain
---
+--
-- This project is MIT/X11 licensed. Please see the
-- COPYING file in the source package for more information.
--
#include "lua.h"
#include "lauxlib.h"
-static int Lget_nameservers(lua_State *L) {
+#if (LUA_VERSION_NUM == 502)
+#define luaL_register(L, N, R) luaL_setfuncs(L, R, 0)
+#endif
+
+static int Lget_nameservers(lua_State* L) {
char stack_buffer[1024]; // stack allocated buffer
IP4_ARRAY* ips = (IP4_ARRAY*) stack_buffer;
DWORD len = sizeof(stack_buffer);
DNS_STATUS status;
status = DnsQueryConfig(DnsConfigDnsServerList, FALSE, NULL, NULL, ips, &len);
- if (status == 0) {
+
+ if(status == 0) {
DWORD i;
lua_createtable(L, ips->AddrCount, 0);
- for (i = 0; i < ips->AddrCount; i++) {
+
+ for(i = 0; i < ips->AddrCount; i++) {
DWORD ip = ips->AddrArray[i];
char ip_str[16] = "";
sprintf_s(ip_str, sizeof(ip_str), "%d.%d.%d.%d", (ip >> 0) & 255, (ip >> 8) & 255, (ip >> 16) & 255, (ip >> 24) & 255);
lua_pushstring(L, ip_str);
- lua_rawseti(L, -2, i+1);
+ lua_rawseti(L, -2, i + 1);
}
+
return 1;
} else {
- luaL_error(L, "DnsQueryConfig returned %d", status);
- return 0; // unreachable, but prevents a compiler warning
+ lua_pushnil(L);
+ lua_pushfstring(L, "DnsQueryConfig returned %d", status);
+ return 2;
}
}
-static const luaL_Reg Reg[] =
-{
+static int lerror(lua_State* L, char* string) {
+ lua_pushnil(L);
+ lua_pushfstring(L, "%s: %d", string, GetLastError());
+ return 2;
+}
+
+static int Lget_consolecolor(lua_State* L) {
+ HWND console = GetStdHandle(STD_OUTPUT_HANDLE);
+ WORD color;
+ DWORD read_len;
+
+ CONSOLE_SCREEN_BUFFER_INFO info;
+
+ if(console == INVALID_HANDLE_VALUE) {
+ return lerror(L, "GetStdHandle");
+ }
+
+ if(!GetConsoleScreenBufferInfo(console, &info)) {
+ return lerror(L, "GetConsoleScreenBufferInfo");
+ }
+
+ if(!ReadConsoleOutputAttribute(console, &color, 1, info.dwCursorPosition, &read_len)) {
+ return lerror(L, "ReadConsoleOutputAttribute");
+ }
+
+ lua_pushnumber(L, color);
+ return 1;
+}
+static int Lset_consolecolor(lua_State* L) {
+ int color = luaL_checkint(L, 1);
+ HWND console = GetStdHandle(STD_OUTPUT_HANDLE);
+
+ if(console == INVALID_HANDLE_VALUE) {
+ return lerror(L, "GetStdHandle");
+ }
+
+ if(!SetConsoleTextAttribute(console, color)) {
+ return lerror(L, "SetConsoleTextAttribute");
+ }
+
+ lua_pushboolean(L, 1);
+ return 1;
+}
+
+static const luaL_Reg Reg[] = {
{ "get_nameservers", Lget_nameservers },
+ { "get_consolecolor", Lget_consolecolor },
+ { "set_consolecolor", Lset_consolecolor },
{ NULL, NULL }
};
-LUALIB_API int luaopen_util_windows(lua_State *L) {
- luaL_register(L, "windows", Reg);
- lua_pushliteral(L, "version"); /** version */
+LUALIB_API int luaopen_util_windows(lua_State* L) {
+ lua_newtable(L);
+ luaL_register(L, NULL, Reg);
lua_pushliteral(L, "-3.14");
- lua_settable(L,-3);
+ lua_setfield(L, -2, "version");
return 1;
}