Make buffers_adapter meet requirements

fix #386
2017-07-20 08:12:17 -07:00
parent 7c47668cbb
commit 2b18193f7d
2 changed files with 8 additions and 0 deletions
@@ -112,6 +112,13 @@ public:
    {
        return in_size_;
    }
+    
+    /// Returns the maximum sum of the sizes of the input sequence and output sequence the buffer can hold without requiring reallocation.
+    std::size_t
+    capacity() const
+    {
+        return max_size_;
+    }

    /** Get a list of buffers that represents the output sequence, with the given size.