Lua Launchers

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Minimal Lua Launcher for Windows

A very basic implementation of an executable that loads and runs a Lua file.

Usage is simple:

1. Compile as luancher.exe

2. Copy luancher.exe to myapp.exe

3. Create myapp.lua in same folder

4. Implement startup code in myapp.lua

5. Run myapp.exe

#include <windows.h>

#include <lua.h>

#include <lauxlib.h>

#include <lualib.h>

#pragma comment(lib, "lua51.lib")



int CALLBACK WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)

{

	TCHAR fn[MAX_PATH];

	int res, len = GetModuleFileName(hInstance, fn, MAX_PATH);

	lua_State* l = luaL_newstate();

	luaL_openlibs(l);

	memcpy(&fn[len-3], "lua", 3); // .exe -> .lua

	if(GetFileAttributes(fn) == INVALID_FILE_ATTRIBUTES) // check file exists

		return 1;

	if(AttachConsole(ATTACH_PARENT_PROCESS)) { // attach std streams to console

		freopen("CONIN$", "r", stdin);

		freopen("CONOUT$", "w", stdout);

		freopen("CONOUT$", "w", stderr);

		printf("\n");

	}

	res = luaL_dofile(l, fn); // execute the lua file

	lua_close(l);

	return res;

}