split public interface and recursive implementation

Signed-off-by: Nuno Goncalves <[email protected]>

1 files changed, 8 insertions, 2 deletions

diff --git a/src/lib/misc/roughtime/roughtime.cpp b/src/lib/misc/roughtime/roughtime.cpp
index 435308cd0..6d3542160 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, 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));
+   return (i == 0) ? T(0) : (T(static_cast<int64_t>(t[i-1]) << ((i-1)*8)) + 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));
    }
 
 template<typename T, enable_if_t<is_array<T>::value>* = nullptr>