Const corrections. (wjwwood#141)

jucic · Oct 17, 2016 · d76b7d6 · d76b7d6
1 parent 2d416f1
commit d76b7d6
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/include/serial/serial.h b/include/serial/serial.h
@@ -717,7 +717,7 @@ class IOException : public std::exception
   virtual ~IOException() throw() {}
   IOException (const IOException& other) : line_(other.line_), e_what_(other.e_what_), errno_(other.errno_) {}
 
-  int getErrorNumber () { return errno_; }
+  int getErrorNumber () const { return errno_; }
 
   virtual const char* what () const throw () {
     return e_what_.c_str();