-\r
-#include <stdio.h>\r
-#include <windows.h>\r
-#include <windns.h>\r
-\r
-#include "lua.h"\r
-#include "lauxlib.h"\r
-\r
-static int Lget_nameservers(lua_State *L) {\r
- char stack_buffer[1024]; // stack allocated buffer\r
- IP4_ARRAY* ips = (IP4_ARRAY*) stack_buffer;\r
- DWORD len = sizeof(stack_buffer);\r
- DNS_STATUS status;\r
-\r
- status = DnsQueryConfig(DnsConfigDnsServerList, FALSE, NULL, NULL, ips, &len);\r
- if (status == 0) {\r
- DWORD i;\r
- lua_createtable(L, ips->AddrCount, 0);\r
- for (i = 0; i < ips->AddrCount; i++) {\r
- DWORD ip = ips->AddrArray[i];\r
- char ip_str[16] = "";\r
- sprintf_s(ip_str, sizeof(ip_str), "%d.%d.%d.%d", (ip >> 0) & 255, (ip >> 8) & 255, (ip >> 16) & 255, (ip >> 24) & 255);\r
- lua_pushstring(L, ip_str);\r
- lua_rawseti(L, -2, i+1);\r
- }\r
- return 1;\r
- } else {\r
- luaL_error(L, "DnsQueryConfig returned %d", status);\r
- return 0; // unreachable, but prevents a compiler warning\r
- }\r
-}\r
-\r
-static const luaL_Reg Reg[] =\r
-{\r
- { "get_nameservers", Lget_nameservers },\r
- { NULL, NULL }\r
-};\r
-\r
-LUALIB_API int luaopen_util_windows(lua_State *L) {\r
- luaL_register(L, "windows", Reg);\r
- lua_pushliteral(L, "version"); /** version */\r
- lua_pushliteral(L, "-3.14");\r
- lua_settable(L,-3);\r
- return 1;\r
-}\r
+/* 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.
+--
+*/
+
+/*
+* windows.c
+* Windows support functions for Lua
+*/
+
+#include <stdio.h>
+#include <windows.h>
+#include <windns.h>
+
+#include "lua.h"
+#include "lauxlib.h"
+
+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) {
+ DWORD i;
+ lua_createtable(L, ips->AddrCount, 0);
+ 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);
+ }
+ return 1;
+ } else {
+ luaL_error(L, "DnsQueryConfig returned %d", status);
+ return 0; // unreachable, but prevents a compiler warning
+ }
+}
+
+static void lassert(lua_State *L, BOOL test, char* string) {
+ if (!test) {
+ luaL_error(L, "%s: %d", string, GetLastError());
+ }
+}
+
+static int Lget_consolecolor(lua_State *L) {
+ HWND console = GetStdHandle(STD_OUTPUT_HANDLE);
+ WORD color; DWORD read_len;
+
+ CONSOLE_SCREEN_BUFFER_INFO info;
+
+ lassert(L, console != INVALID_HANDLE_VALUE, "GetStdHandle");
+ lassert(L, GetConsoleScreenBufferInfo(console, &info), "GetConsoleScreenBufferInfo");
+ lassert(L, ReadConsoleOutputAttribute(console, &color, sizeof(WORD), info.dwCursorPosition, &read_len), "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);
+ lassert(L, console != INVALID_HANDLE_VALUE, "GetStdHandle");
+ lassert(L, SetConsoleTextAttribute(console, color), "SetConsoleTextAttribute");
+ return 0;
+}
+
+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 */
+ lua_pushliteral(L, "-3.14");
+ lua_settable(L,-3);
+ return 1;
+}