[Boost-commit] svn:boost r65227 - sandbox/gil/boost/gil/extension/io2/detail

Subject: [Boost-commit] svn:boost r65227 - sandbox/gil/boost/gil/extension/io2/detail
From: dsaritz_at_[hidden]
Date: 2010-09-03 17:28:44

Author: psiha
Date: 2010-09-03 17:28:43 EDT (Fri, 03 Sep 2010)
New Revision: 65227
URL: http://svn.boost.org/trac/boost/changeset/65227

Log:
Added the c_file_guard shared RAII class.
Text files modified: 
   sandbox/gil/boost/gil/extension/io2/detail/libx_shared.hpp |    18 ++++++++++++++++++                      
   1 files changed, 18 insertions(+), 0 deletions(-)

Modified: sandbox/gil/boost/gil/extension/io2/detail/libx_shared.hpp
==============================================================================
--- sandbox/gil/boost/gil/extension/io2/detail/libx_shared.hpp	(original)
+++ sandbox/gil/boost/gil/extension/io2/detail/libx_shared.hpp	2010-09-03 17:28:43 EDT (Fri, 03 Sep 2010)
@@ -59,6 +59,24 @@
     value_type const   end_row_;
 };
 
+
+class c_file_guard
+{
+public:
+    c_file_guard( char const * const file_name )
+        :
+        p_file_( /*std*/::fopen( file_name, "rb" ) )
+    {
+        io_error_if( !p_file_, "File open failure" );
+    }
+    ~c_file_guard() { /*std*/::fclose( p_file_ ); }
+
+    FILE & get() const { return *p_file_; }
+
+private:
+    FILE * const p_file_;
+};
+
 //------------------------------------------------------------------------------
 } // namespace detail
 //------------------------------------------------------------------------------