#include "OS.h"

#include <stdexcept>
#include <unistd.h>
#include <dlfcn.h>

#include "log.h"

namespace Swan {
namespace OS {

bool isTTY(FILE *f) {
	int fd = fileno(f);
	return isatty(fd);
}

Dynlib::Dynlib(const std::string &path) {
	handle_ = dlopen((path + ".so").c_str(), RTLD_LAZY);
	if (!handle_)
		throw std::runtime_error(dlerror());
}

Dynlib::Dynlib(Dynlib &&dl) noexcept: handle_(dl.handle_) {
	dl.handle_ = nullptr;
}

Dynlib::~Dynlib() {
	if (handle_)
		dlclose(handle_);
}

Dynlib &Dynlib::operator=(Dynlib &&dl) noexcept {
	handle_ = dl.handle_;
	dl.handle_ = nullptr;
	return *this;
}

void *Dynlib::getVoid(const std::string &name) {
	return dlsym(handle_, name.c_str());
}

}
}