68 lines
1.6 KiB
C++
68 lines
1.6 KiB
C++
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/* Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc.
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Written by James Clark (jjc@jclark.com)
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This file is part of groff.
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groff is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 2, or (at your option) any later
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version.
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groff is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License along
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with groff; see the file COPYING. If not, write to the Free Software
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Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
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#include <stddef.h>
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#include <stdlib.h>
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#include <string.h>
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#include "posix.h"
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extern const char *program_name;
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static void ewrite(const char *s)
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{
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write(2, s, strlen(s));
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}
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void *operator new(size_t size)
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{
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// Avoid relying on the behaviour of malloc(0).
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if (size == 0)
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size++;
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#ifdef COOKIE_BUG
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char *p = (char *)malloc(unsigned(size + 8));
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#else /* not COOKIE_BUG */
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char *p = (char *)malloc(unsigned(size));
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#endif /* not COOKIE_BUG */
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if (p == 0) {
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if (program_name) {
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ewrite(program_name);
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ewrite(": ");
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}
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ewrite("out of memory\n");
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_exit(-1);
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}
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#ifdef COOKIE_BUG
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((unsigned *)p)[1] = 0;
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return p + 8;
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#else /* not COOKIE_BUG */
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return p;
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#endif /* not COOKIE_BUG */
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}
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#ifdef COOKIE_BUG
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void operator delete(void *p)
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{
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if (p)
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free((void *)((char *)p - 8));
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}
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#endif /* COOKIE_BUG */
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