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 // 2012
   5 // Free Software Foundation
   6 //
   7 // This file is part of GCC.
   8 //
   9 // GCC is free software; you can redistribute it and/or modify
  10 // it under the terms of the GNU General Public License as published by
  11 // the Free Software Foundation; either version 3, or (at your option)
  12 // any later version.
  13
  14 // GCC is distributed in the hope that it will be useful,
  15 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 // GNU General Public License for more details.
  18
  19 // Under Section 7 of GPL version 3, you are granted additional
  20 // permissions described in the GCC Runtime Library Exception, version
  21 // 3.1, as published by the Free Software Foundation.
  22
  23 // You should have received a copy of the GNU General Public License and
  24 // a copy of the GCC Runtime Library Exception along with this program;
  25 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  26 // <http://www.gnu.org/licenses/>.
  27
  28 #include <cstddef>
  29 #include "tinfo.h"
  30
  31 using std::type_info;
  32
  33 #if !__GXX_TYPEINFO_EQUALITY_INLINE
  34
  35 bool
  36 type_info::before (const type_info &arg) const _GLIBCXX_NOEXCEPT
  37 {
  38 #if __GXX_MERGED_TYPEINFO_NAMES
  39   return name () < arg.name ();
  40 #else
  41   return (name ()[0] == '*') ? name () < arg.name ()
  42     :  __builtin_strcmp (name (), arg.name ()) < 0;
  43 #endif
  44 }
  45
  46 #endif