From 1bf824e97e9da3da4710c2524b3077f49d377ae6 Mon Sep 17 00:00:00 2001
From: smlu <smlu@s5.net>
Date: Sat, 4 Jul 2020 20:34:47 +0200
Subject: [PATCH] Refactor (inputStream): Add 'remaining' member function

New member function remaining()  returns number of bytes in stream from current position to the end of the stream.
---
 libraries/libim/io/stream.h | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/libraries/libim/io/stream.h b/libraries/libim/io/stream.h
index 1c2813c..7b85529 100644
--- a/libraries/libim/io/stream.h
+++ b/libraries/libim/io/stream.h
@@ -282,11 +282,18 @@ namespace libim {
     };
 
 
-    /*
-        Fix typed classes for Stream to represent only input or output stream.
-    */
+    /**
+     * Specialized classes for Stream to represent only input or output stream.
+     */
+
     class InputStream : public virtual Stream
     {
+    public:
+        inline std::size_t remaining() const
+        {
+            return size() - tell();
+        }
+
     private:
         using Stream::flush;
         using Stream::write;