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/* Includes for memory limit warnings.
Copyright (C) 1990 Free Software Foundation, Inc.
This file is part of GNU Emacs.
GNU Emacs 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 1, or (at your option)
any later version.
GNU Emacs 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 Emacs; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
#ifndef BSD4_2
#ifndef USG
#include <sys/vlimit.h>
#endif /* not USG */
#else /* if BSD4_2 */
#include <sys/time.h>
#include <sys/resource.h>
#endif /* BSD4_2 */
#ifdef __STDC__
typedef void *POINTER;
#else
typedef char *POINTER;
#endif
typedef unsigned long SIZE;
#ifdef NULL
#undef NULL
#endif
#define NULL ((POINTER) 0)
#ifdef emacs
extern POINTER start_of_data ();
#ifdef BSD
#ifndef DATA_SEG_BITS
#define start_of_data() &etext
#endif
#endif
#else /* Not emacs */
#define start_of_data() &etext
#endif /* Not emacs */
/* start of data space; can be changed by calling malloc_init */
static POINTER data_space_start;
/* Number of bytes of writable memory we can expect to be able to get */
static unsigned int lim_data;
#ifdef USG
get_lim_data ()
{
extern long ulimit ();
#ifdef ULIMIT_BREAK_VALUE
lim_data = ULIMIT_BREAK_VALUE;
#else
lim_data = ulimit (3, 0);
#endif
lim_data -= (long) data_space_start;
}
#else /* not USG */
#ifndef BSD4_2
get_lim_data ()
{
lim_data = vlimit (LIM_DATA, -1);
}
#else /* BSD4_2 */
get_lim_data ()
{
struct rlimit XXrlimit;
getrlimit (RLIMIT_DATA, &XXrlimit);
#ifdef RLIM_INFINITY
lim_data = XXrlimit.rlim_cur & RLIM_INFINITY; /* soft limit */
#else
lim_data = XXrlimit.rlim_cur; /* soft limit */
#endif
}
#endif /* BSD4_2 */
#endif /* not USG */
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