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1 // Boilerplate support routines for -*- C++ -*- dynamic memory management.
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2
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3 // Copyright (C) 1997-2017 Free Software Foundation, Inc.
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4 //
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5 // This file is part of GCC.
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6 //
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7 // GCC is free software; you can redistribute it and/or modify
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8 // it under the terms of the GNU General Public License as published by
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9 // the Free Software Foundation; either version 3, or (at your option)
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10 // any later version.
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11 //
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12 // GCC is distributed in the hope that it will be useful,
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13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 // GNU General Public License for more details.
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16 //
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17 // Under Section 7 of GPL version 3, you are granted additional
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18 // permissions described in the GCC Runtime Library Exception, version
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19 // 3.1, as published by the Free Software Foundation.
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20
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21 // You should have received a copy of the GNU General Public License and
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22 // a copy of the GCC Runtime Library Exception along with this program;
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23 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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24 // <http://www.gnu.org/licenses/>.
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25
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26 #include <bits/c++config.h>
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27
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28 #if !_GLIBCXX_HOSTED
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29 // A freestanding C runtime may not provide "free" -- but there is no
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30 // other reasonable way to implement "operator delete".
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31 namespace std
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32 {
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33 _GLIBCXX_BEGIN_NAMESPACE_VERSION
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34 extern "C" void free(void*);
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35 _GLIBCXX_END_NAMESPACE_VERSION
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36 } // namespace
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37 #else
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38 # include <cstdlib>
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39 #endif
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40
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41 #include "new"
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42
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43 _GLIBCXX_WEAK_DEFINITION void
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44 operator delete (void *ptr, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT
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45 {
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46 std::free(ptr);
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47 }
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