+ return (n + base - 1) / base * base;
+ }
+
+ // read_little_endian() is our utility to read an integer (signed or unsigned, any size)
+ // from a stream in little-endian order. We swap the byte order after the read if
+ // necessary to return a result with the byte ordering of the compiling machine.
+ template <typename IntType>
+ inline IntType read_little_endian(std::istream& stream) {
+
+ IntType result;
+ std::uint8_t u[sizeof(IntType)];
+ typename std::make_unsigned<IntType>::type v = 0;
+
+ stream.read(reinterpret_cast<char*>(u), sizeof(IntType));
+ for (std::size_t i = 0; i < sizeof(IntType); ++i)
+ v = (v << 8) | u[sizeof(IntType) - i - 1];
+
+ std::memcpy(&result, &v, sizeof(IntType));
+ return result;