#include "string.h"
#include "stdio.h"
#include "unistd.h"
#include "dlfcn.h"
#include "libgen.h"

#define MAX_PATH 4096

static char szLauncherPath[MAX_PATH];
static char szEnginePath[MAX_PATH];
static char szTier0Path[MAX_PATH];

void *pEngineLib;
void *pTier0Lib;
typedef void (*EngineMainFn)(int argc, char** argv);
EngineMainFn pEngineMain;

int main( int argc, char **argv ) {
	readlink("/proc/self/exe",szLauncherPath, MAX_PATH);
	dirname(szLauncherPath);

	snprintf(szEnginePath, MAX_PATH, "%s/libengine.so", szLauncherPath);
	snprintf(szTier0Path, MAX_PATH, "%s/libtier0.so", szLauncherPath);

	pTier0Lib = dlopen(szTier0Path, RTLD_NOW | RTLD_GLOBAL);
	if ( !pTier0Lib ) {
		printf("Failed to open libtier0.so\n");
		printf("\t%s\n",dlerror());
	}
	pEngineLib = dlopen(szEnginePath, RTLD_NOW | RTLD_GLOBAL);
	if ( !pEngineLib ) {
		printf("Failed to open libengine.so\n");
		printf("\t%s\n",dlerror());
	}
	pEngineMain = (EngineMainFn)dlsym(pEngineLib, "FunnyMain");
	if ( !pEngineMain ) {
		printf("Symbol not found: FunnyMain\n");
	}

	// chdir to right directory
	dirname(szLauncherPath);
	chdir(szLauncherPath);

	pEngineMain(argc, argv);
	dlclose(pEngineLib);
};