Const correctness for char* strings

[libftdi] / ftdipp / ftdi.hpp

diff --git a/ftdipp/ftdi.hpp b/ftdipp/ftdi.hpp
index 999fdef..a438d96 100644 (file)
--- a/ftdipp/ftdi.hpp
+++ b/ftdipp/ftdi.hpp
@@ -2,11 +2,11 @@
                           ftdi.hpp  -  C++ wrapper for libftdi
                              -------------------
     begin                : Mon Oct 13 2008
-    copyright            : (C) 2008-2013 by Marek Vavruša and libftdi developers
+    copyright            : (C) 2008-2014 by Marek Vavruša and libftdi developers
     email                : opensource@intra2net.com and marek@vavrusa.com
  ***************************************************************************/
 /*
-Copyright (C) 2008-2013 by Marek Vavruša and libftdi developers
+Copyright (C) 2008-2014 by Marek Vavruša and libftdi developers
 
 The software in this package is distributed under the GNU General
 Public License version 2 (with a special exception described below).
@@ -131,7 +131,7 @@ public:
     int read_pins(unsigned char *pins);
 
     /* Misc */
-    char* error_string();
+    const char* error_string();
 
 protected:
     int get_strings();