Removed shared_ptr shim

Since C++17 is now the default mosh version, remove the shared_ptr
shim in favor of std::shared_ptr.

src/util/Makefile.am

@@ -2,4 +2,4 @@ AM_CXXFLAGS = -I$(top_srcdir)/ $(WARNING_CXXFLAGS) $(PICKY_CXXFLAGS) $(HARDEN_CF
 
 noinst_LIBRARIES = libmoshutil.a
 
-libmoshutil_a_SOURCES = locale_utils.cc locale_utils.h swrite.cc swrite.h dos_assert.h fatal_assert.h select.h select.cc timestamp.h timestamp.cc pty_compat.cc pty_compat.h shared.h
+libmoshutil_a_SOURCES = locale_utils.cc locale_utils.h swrite.cc swrite.h dos_assert.h fatal_assert.h select.h select.cc timestamp.h timestamp.cc pty_compat.cc pty_compat.h

src/util/shared.h

@@ -1,90 +0,0 @@
-/*
-    Mosh: the mobile shell
-    Copyright 2012 Keith Winstein
-
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-    In addition, as a special exception, the copyright holders give
-    permission to link the code of portions of this program with the
-    OpenSSL library under certain conditions as described in each
-    individual source file, and distribute linked combinations including
-    the two.
-
-    You must obey the GNU General Public License in all respects for all
-    of the code used other than OpenSSL. If you modify file(s) with this
-    exception, you may extend this exception to your version of the
-    file(s), but you are not obligated to do so. If you do not wish to do
-    so, delete this exception statement from your version. If you delete
-    this exception statement from all source files in the program, then
-    also delete it here.
-*/
-
-#ifndef SHARED_HPP
-#define SHARED_HPP
-
-#include "src/include/config.h"
-
-#ifdef HAVE_MEMORY
-#include <memory>
-#endif
-
-#ifdef HAVE_TR1_MEMORY
-#include <tr1/memory>
-#endif
-
-namespace shared {
-#ifdef HAVE_STD_SHARED_PTR
-  using std::shared_ptr;
-  using std::make_shared;
-#else
-#ifdef HAVE_STD_TR1_SHARED_PTR
-  using std::tr1::shared_ptr;
-
-  // make_shared emulation.
-  template<typename Tp>
-    inline shared_ptr<Tp>
-    make_shared()
-  {
-    return shared_ptr<Tp>(new Tp());
-  }
-  template<typename Tp, typename A1>
-    inline shared_ptr<Tp>
-    make_shared(const A1& a1)
-  {
-    return shared_ptr<Tp>(new Tp(a1));
-  }
-  template<typename Tp, typename A1, typename A2>
-    inline shared_ptr<Tp>
-    make_shared(const A1& a1, const A2& a2)
-  {
-    return shared_ptr<Tp>(new Tp(a1, a2));
-  }
-  template<typename Tp, typename A1, typename A2, typename A3>
-    inline shared_ptr<Tp>
-    make_shared(const A1& a1, const A2& a2, const A3& a3)
-  {
-    return shared_ptr<Tp>(new Tp(a1, a2, a3));
-  }
-  template<typename Tp, typename A1, typename A2, typename A3, typename A4>
-    inline shared_ptr<Tp>
-    make_shared(const A1& a1, const A2& a2, const A3& a3, const A4& a4)
-  {
-    return shared_ptr<Tp>(new Tp(a1, a2, a3, a4));
-  }
-#else
-#error Need a shared_ptr class.  Try Boost::TR1.
-#endif
-#endif
-}
-#endif