diff options
| -rw-r--r-- | src/lib/misc/roughtime/roughtime.cpp | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/src/lib/misc/roughtime/roughtime.cpp b/src/lib/misc/roughtime/roughtime.cpp index 671b78cb4..2e4163914 100644 --- a/src/lib/misc/roughtime/roughtime.cpp +++ b/src/lib/misc/roughtime/roughtime.cpp @@ -34,10 +34,16 @@ template<class T, std::size_t N> struct is_array<std::array<T,N>>:std::true_type{}; template<typename T> -T from_little_endian(const uint8_t* t, size_t N = sizeof(T)) +T impl_from_little_endian(const uint8_t* t, const size_t i) { - static_assert(sizeof(T)<=sizeof(int64_t),""); - return (N == 0) ? T(0) : (T(static_cast<int64_t>(t[N-1]) << ((N-1)*8)) + from_little_endian<T>(t,N-1)); + static_assert(sizeof(T) <= sizeof(int64_t), ""); + return T(static_cast<int64_t>(t[i]) << i * 8) + (i == 0 ? T(0) : impl_from_little_endian<T>(t, i - 1)); + } + +template<typename T> +T from_little_endian(const uint8_t* t) + { + return impl_from_little_endian<T>(t, sizeof(T) - 1); } template<typename T, enable_if_t<is_array<T>::value>* = nullptr> |