From 5a91c4f1185af82219f30946992bdffcfab1da2d Mon Sep 17 00:00:00 2001
From: Eric Frias <efrias@syncad.com>
Date: Mon, 22 Dec 2014 17:56:30 -0500
Subject: [PATCH] Virtualize a few functions in istream to allow them to be
 overridden in derived classes

---
 include/fc/io/buffered_iostream.hpp | 2 +-
 include/fc/io/iostream.hpp          | 2 +-
 src/io/fstream.cpp                  | 3 ++-
 3 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/include/fc/io/buffered_iostream.hpp b/include/fc/io/buffered_iostream.hpp
index f1803eb..470b1fd 100644
--- a/include/fc/io/buffered_iostream.hpp
+++ b/include/fc/io/buffered_iostream.hpp
@@ -38,7 +38,7 @@ namespace fc
          *  This method may block until at least 1 character is
          *  available.
          */
-        char               peek()const;
+        virtual char            peek() const;
 
       private:
         std::unique_ptr<detail::buffered_istream_impl> my;
diff --git a/include/fc/io/iostream.hpp b/include/fc/io/iostream.hpp
index 582797f..7ec8149 100644
--- a/include/fc/io/iostream.hpp
+++ b/include/fc/io/iostream.hpp
@@ -30,7 +30,7 @@ namespace fc {
        **/
       istream&   read( char* buf, size_t len ); 
       istream&   read( const std::shared_ptr<char>& buf, size_t len, size_t offset = 0 ); 
-      char       get();
+      virtual char get();
   };
   typedef std::shared_ptr<istream> istream_ptr;
 
diff --git a/src/io/fstream.cpp b/src/io/fstream.cpp
index b76960c..71af81d 100644
--- a/src/io/fstream.cpp
+++ b/src/io/fstream.cpp
@@ -74,7 +74,8 @@ namespace fc {
    }
 
    ifstream& ifstream::read( char* buf, size_t len ) {
-      if( eof() ) FC_THROW_EXCEPTION( eof_exception , "");
+      if (eof())
+        FC_THROW_EXCEPTION( eof_exception , "");
       my->ifs.read(buf,len);
       if (my->ifs.gcount() < int64_t(len))
         FC_THROW_EXCEPTION( eof_exception , "");