/contrib/groff/src/libs/libgroff/new.cpp
https://bitbucket.org/freebsd/freebsd-head/ · C++ · 71 lines · 44 code · 7 blank · 20 comment · 7 complexity · 69c5aaef2d9501a5f77bfcca2e2f4dc8 MD5 · raw file
- /* Copyright (C) 1989, 1990, 1991, 1992, 2001, 2003, 2004
- Free Software Foundation, Inc.
- Written by James Clark (jjc@jclark.com)
- This file is part of groff.
- groff 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.
- groff 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 groff; see the file COPYING. If not, write to the Free Software
- Foundation, 51 Franklin St - Fifth Floor, Boston, MA 02110-1301, USA. */
- #include "lib.h"
- #include <stddef.h>
- #include <stdlib.h>
- #include "posix.h"
- #include "nonposix.h"
- extern "C" const char *program_name;
- static void ewrite(const char *s)
- {
- write(2, s, strlen(s));
- }
- void *operator new(size_t size)
- {
- // Avoid relying on the behaviour of malloc(0).
- if (size == 0)
- size++;
- #ifdef COOKIE_BUG
- char *p = (char *)malloc(unsigned(size + 8));
- #else /* not COOKIE_BUG */
- char *p = (char *)malloc(unsigned(size));
- #endif /* not COOKIE_BUG */
- if (p == 0) {
- if (program_name) {
- ewrite(program_name);
- ewrite(": ");
- }
- ewrite("out of memory\n");
- _exit(-1);
- }
- #ifdef COOKIE_BUG
- ((unsigned *)p)[1] = 0;
- return p + 8;
- #else /* not COOKIE_BUG */
- return p;
- #endif /* not COOKIE_BUG */
- }
- void operator delete(void *p)
- {
- #ifdef COOKIE_BUG
- if (p)
- free((void *)((char *)p - 8));
- #else
- if (p)
- free(p);
- #endif /* COOKIE_BUG */
- }