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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [libstdc++-v3/] [libsupc++/] [new_opnt.cc] - Rev 445
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// Support routines for the -*- C++ -*- dynamic memory management. // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2004, 2009 // Free Software Foundation // // This file is part of GCC. // // GCC 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, or (at your option) // any later version. // // GCC 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. // // Under Section 7 of GPL version 3, you are granted additional // permissions described in the GCC Runtime Library Exception, version // 3.1, as published by the Free Software Foundation. // You should have received a copy of the GNU General Public License and // a copy of the GCC Runtime Library Exception along with this program; // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see // <http://www.gnu.org/licenses/>. #include <bits/c++config.h> #include <exception_defines.h> #include "new" using std::new_handler; using std::bad_alloc; extern "C" void *malloc (std::size_t); extern new_handler __new_handler; _GLIBCXX_WEAK_DEFINITION void * operator new (std::size_t sz, const std::nothrow_t&) throw() { void *p; /* malloc (0) is unpredictable; avoid it. */ if (sz == 0) sz = 1; p = (void *) malloc (sz); while (p == 0) { new_handler handler = __new_handler; if (! handler) return 0; __try { handler (); } __catch(const bad_alloc&) { return 0; } p = (void *) malloc (sz); } return p; }
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