[Boost-bugs] [Boost C++ Libraries] #4802: C4127 in traits_extension

Subject: [Boost-bugs] [Boost C++ Libraries] #4802: C4127 in traits_extension
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2010-10-29 17:37:24

#4802: C4127 in traits_extension
-------------------------------------------+--------------------------------
 Reporter:  gast128 <gast128@…>            |       Owner:  jsiek    
     Type:  Bugs                           |      Status:  new      
Milestone:  To Be Determined               |   Component:  tokenizer
  Version:  Boost 1.44.0                   |    Severity:  Problem  
 Keywords:                                 |  
-------------------------------------------+--------------------------------
 on VS2003/VS2008:

 boost\token_functions.hpp(220) : warning C4127: conditional expression is
 constant

  struct traits_extension : public traits {
     typedef typename traits::char_type char_type;
     static bool isspace(char_type c)
     {
 #if !defined(BOOST_NO_CWCTYPE)
       if (sizeof(char_type) == 1)  <--
         return std::isspace(c) != 0;
       else
         return std::iswspace(c) != 0;
 #else
       return static_cast< unsigned >(c) <= 255 && std::isspace(c) != 0;
 #endif
     }

-- 
Ticket URL: <https://svn.boost.org/trac/boost/ticket/4802>
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