From e63f79169b2c031bdc1a4bb6ba8df34363e9e3c0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?louiz=E2=80=99?= <louiz@louiz.org>
Date: Fri, 9 Dec 2016 01:34:46 +0100
Subject: Use an other implementation of a null_stream for the logger

---
 louloulibs/logger/logger.cpp |  8 ++++++--
 louloulibs/logger/logger.hpp | 18 ++++++++++--------
 2 files changed, 16 insertions(+), 10 deletions(-)

(limited to 'louloulibs/logger')

diff --git a/louloulibs/logger/logger.cpp b/louloulibs/logger/logger.cpp
index 7336579..92a3d9b 100644
--- a/louloulibs/logger/logger.cpp
+++ b/louloulibs/logger/logger.cpp
@@ -3,14 +3,18 @@
 
 Logger::Logger(const int log_level):
   log_level(log_level),
-  stream(std::cout.rdbuf())
+  stream(std::cout.rdbuf()),
+  null_buffer{},
+  null_stream{&null_buffer}
 {
 }
 
 Logger::Logger(const int log_level, const std::string& log_file):
   log_level(log_level),
   ofstream(log_file.data(), std::ios_base::app),
-  stream(ofstream.rdbuf())
+  stream(ofstream.rdbuf()),
+  null_buffer{},
+  null_stream{&null_buffer}
 {
 }
 
diff --git a/louloulibs/logger/logger.hpp b/louloulibs/logger/logger.hpp
index 0893c77..b3284a6 100644
--- a/louloulibs/logger/logger.hpp
+++ b/louloulibs/logger/logger.hpp
@@ -33,15 +33,15 @@
 # define __FILENAME__ __FILE__
 #endif
 
+
 /**
- * Juste a structure representing a stream doing nothing with its input.
+ * A buffer, used to construct an ostream that does nothing
+ * when we output data in it
  */
-class nullstream: public std::ostream
+class NullBuffer: public std::streambuf
 {
-public:
-  nullstream():
-    std::ostream(0)
-  { }
+ public:
+  int overflow(int c) { return c; }
 };
 
 class Logger
@@ -59,9 +59,11 @@ public:
 
 private:
   const int log_level;
-  std::ofstream ofstream;
-  nullstream null_stream;
+  std::ofstream ofstream{};
   std::ostream stream;
+
+  NullBuffer null_buffer;
+  std::ostream null_stream;
 };
 
 #define WHERE __FILENAME__, ":", __LINE__, ":\t"
-- 
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