libstdc++-v3/libsupc++/tinfo2.cc

   1 // Methods for type_info for -*- C++ -*- Run Time Type Identification.
   2
   3 // Copyright (C) 1994, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2009
   4 // Free Software Foundation
   5 //
   6 // This file is part of GCC.
   7 //
   8 // GCC is free software; you can redistribute it and/or modify
   9 // it under the terms of the GNU General Public License as published by
  10 // the Free Software Foundation; either version 3, or (at your option)
  11 // any later version.
  12
  13 // GCC is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU General Public License for more details.
  17
  18 // Under Section 7 of GPL version 3, you are granted additional
  19 // permissions described in the GCC Runtime Library Exception, version
  20 // 3.1, as published by the Free Software Foundation.
  21
  22 // You should have received a copy of the GNU General Public License and
  23 // a copy of the GCC Runtime Library Exception along with this program;
  24 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  25 // <http://www.gnu.org/licenses/>.
  26
  27 #include <cstddef>
  28 #include "tinfo.h"
  29
  30 using std::type_info;
  31
  32 #if !__GXX_TYPEINFO_EQUALITY_INLINE
  33
  34 bool
  35 type_info::before (const type_info &arg) const
  36 {
  37 #if __GXX_MERGED_TYPEINFO_NAMES
  38   return name () < arg.name ();
  39 #else
  40   return (name ()[0] == '*') ? name () < arg.name ()
  41     :  __builtin_strcmp (name (), arg.name ()) < 0;
  42 #endif
  43 }
  44
  45 #endif