libgroff/new.cc

   1 /* Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc.
   2      Written by James Clark (jjc@jclark.com)
   3
   4 This file is part of groff.
   5
   6 groff is free software; you can redistribute it and/or modify it under
   7 the terms of the GNU General Public License as published by the Free
   8 Software Foundation; either version 2, or (at your option) any later
   9 version.
  10
  11 groff is distributed in the hope that it will be useful, but WITHOUT ANY
  12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14 for more details.
  15
  16 You should have received a copy of the GNU General Public License along
  17 with groff; see the file COPYING.  If not, write to the Free Software
  18 Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
  19
  20 #include <stddef.h>
  21 #include <stdlib.h>
  22 #include <string.h>
  23
  24 #include "posix.h"
  25
  26 extern const char *program_name;
  27
  28 static void ewrite(const char *s)
  29 {
  30   write(2, s, strlen(s));
  31 }
  32
  33 void *operator new(size_t size)
  34 {
  35 #ifdef COOKIE_BUG
  36   char *p = (char *)malloc(unsigned(size + 8));
  37   if (p != 0) {
  38     ((unsigned *)p)[1] = 0;
  39     return p + 8;
  40   }
  41 #else /* not COOKIE_BUG */
  42   char *p = (char *)malloc(unsigned(size));
  43   if (p != 0)
  44     return p;
  45 #endif /* not COOKIE_BUG */
  46   if (program_name) {
  47     ewrite(program_name);
  48     ewrite(": ");
  49   }
  50   ewrite("out of memory\n");
  51   _exit(-1);
  52 }
  53
  54 #ifdef COOKIE_BUG
  55
  56 void operator delete(void *p)
  57 {
  58   if (p)
  59     free((void *)((char *)p - 8));
  60 }
  61
  62 #endif /* COOKIE_BUG */