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

   1 // Methods for type_info for -*- C++ -*- Run Time Type Identification.
   2
   3 // Copyright (C) 1994-2016 Free Software Foundation, Inc.
   4 //
   5 // This file is part of GCC.
   6 //
   7 // GCC is free software; you can redistribute it and/or modify
   8 // it under the terms of the GNU General Public License as published by
   9 // the Free Software Foundation; either version 3, or (at your option)
  10 // any later version.
  11
  12 // GCC is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU General Public License for more details.
  16
  17 // Under Section 7 of GPL version 3, you are granted additional
  18 // permissions described in the GCC Runtime Library Exception, version
  19 // 3.1, as published by the Free Software Foundation.
  20
  21 // You should have received a copy of the GNU General Public License and
  22 // a copy of the GCC Runtime Library Exception along with this program;
  23 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  24 // <http://www.gnu.org/licenses/>.
  25
  26 #include <cstddef>
  27 #include "tinfo.h"
  28
  29 using std::type_info;
  30
  31 #if !__GXX_TYPEINFO_EQUALITY_INLINE
  32
  33 bool
  34 type_info::before (const type_info &arg) const _GLIBCXX_NOEXCEPT
  35 {
  36 #if __GXX_MERGED_TYPEINFO_NAMES
  37   return name () < arg.name ();
  38 #else
  39   return (name ()[0] == '*') ? name () < arg.name ()
  40     :  __builtin_strcmp (name (), arg.name ()) < 0;
  41 #endif
  42 }
  43
  44 #endif