#include <cstdio>
#include <cstdarg>

namespace xstr {

std::string printf(const char *fmt, ...) {
	va_list args;
	va_start(args, fmt);
	char buf[32];
	size_t n = std::vsnprintf(buf, sizeof(buf), fmt, args);
	va_end(args);

	// Static buffer large enough?
	if (n < sizeof(buf)) {
		return {buf, n};
	}

	// Static buffer too small
	std::string s(n + 1, 0);
	va_start(args, fmt);
	std::vsnprintf(const_cast<char*>(s.data()), s.size(), fmt, args);
	va_end(args);

	return s;
}

} // namespace xstr