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
   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 2, 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 // You should have received a copy of the GNU General Public License
  19 // along with GCC; see the file COPYING.  If not, write to
  20 // the Free Software Foundation, 51 Franklin Street, Fifth Floor,
  21 // Boston, MA 02110-1301, USA.
  22
  23 // As a special exception, you may use this file as part of a free software
  24 // library without restriction.  Specifically, if other files instantiate
  25 // templates or use macros or inline functions from this file, or you compile
  26 // this file and link it with other files to produce an executable, this
  27 // file does not by itself cause the resulting executable to be covered by
  28 // the GNU General Public License.  This exception does not however
  29 // invalidate any other reasons why the executable file might be covered by
  30 // the GNU General Public License.
  31
  32 #include <cstddef>
  33 #include "tinfo.h"
  34
  35 using std::type_info;
  36
  37 #if !__GXX_TYPEINFO_EQUALITY_INLINE
  38
  39 bool
  40 type_info::before (const type_info &arg) const
  41 {
  42 #if __GXX_MERGED_TYPEINFO_NAMES
  43   return name () < arg.name ();
  44 #else
  45   return __builtin_strcmp (name (), arg.name ()) < 0;
  46 #endif
  47 }
  48
  49 #endif