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Diffstat (limited to 'gnu/usr.bin/gcc/cp/new1.cc')
-rw-r--r-- | gnu/usr.bin/gcc/cp/new1.cc | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/gnu/usr.bin/gcc/cp/new1.cc b/gnu/usr.bin/gcc/cp/new1.cc new file mode 100644 index 00000000000..0ee111d2939 --- /dev/null +++ b/gnu/usr.bin/gcc/cp/new1.cc @@ -0,0 +1,54 @@ +// Support routine for the -*- C++ -*- dynamic memory management. +// Copyright (C) 1997 Free Software Foundation + +// This file is part of GNU CC. + +// GNU CC 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 2, or (at your option) +// any later version. + +// GNU CC 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 GNU CC; see the file COPYING. If not, write to +// the Free Software Foundation, 59 Temple Place - Suite 330, +// Boston, MA 02111-1307, USA. + +// As a special exception, if you link this library with other files, +// some of which are compiled with GCC, to produce an executable, +// this library does not by itself cause the resulting executable +// to be covered by the GNU General Public License. +// This exception does not however invalidate any other reasons why +// the executable file might be covered by the GNU General Public License. + +#include "new" + +extern "C" void *malloc (size_t); + +typedef void (*vfp)(void); +extern vfp __new_handler; +extern void __default_new_handler (void); + +void *operator new (size_t sz, const nothrow_t&) throw() +{ + void *p; + vfp handler = __new_handler; + + /* malloc (0) is unpredictable; avoid it. */ + if (sz == 0) + sz = 1; + p = (void *) malloc (sz); + while (p == 0) + { + if (! handler) + return 0; + (*handler) (); + p = (void *) malloc (sz); + } + + return p; +} |