Add Read:reader -> Write:writer function.

1 files changed, 6 insertions, 1 deletions

diff --git a/coding/reader.hpp b/coding/reader.hpp
index 9aa5d5fff8..e0605e541b 100644
--- a/coding/reader.hpp
+++ b/coding/reader.hpp
@@ -182,7 +182,7 @@ public:
   {
     if (m_pos + size > m_reader.Size())
     {
-      size_t remainingSize = static_cast<size_t>(m_reader.Size() - m_pos);
+      size_t const remainingSize = static_cast<size_t>(Size());
       m_reader.Read(m_pos, p, remainingSize);
       m_pos = m_reader.Size();
       MYTHROW1(SourceOutOfBoundsException, remainingSize, ());
@@ -204,6 +204,11 @@ public:
     return m_pos;
   }
 
+  uint64_t Size() const
+  {
+    return (m_reader.Size() - m_pos);
+  }
+
   ReaderT const & Reader() const
   {
     return m_reader;