diff options
Diffstat (limited to 'gnu/usr.bin/groff/libgroff/new.cc')
-rw-r--r-- | gnu/usr.bin/groff/libgroff/new.cc | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/gnu/usr.bin/groff/libgroff/new.cc b/gnu/usr.bin/groff/libgroff/new.cc new file mode 100644 index 00000000000..d26db2f5a38 --- /dev/null +++ b/gnu/usr.bin/groff/libgroff/new.cc @@ -0,0 +1,67 @@ +/* Copyright (C) 1989, 1990, 1991, 1992 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + +#include <stddef.h> +#include <stdlib.h> +#include <string.h> + +#include "posix.h" + +extern 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 */ +} + +#ifdef COOKIE_BUG + +void operator delete(void *p) +{ + if (p) + free((void *)((char *)p - 8)); +} + +#endif /* COOKIE_BUG */ |