gnu/lib/libmalloc/mstats.c

   1 /* Access the statistics maintained by `malloc'.
   2    Copyright 1990, 1991, 1992 Free Software Foundation
   3                   Written May 1989 by Mike Haertel.
   4
   5 This library is free software; you can redistribute it and/or
   6 modify it under the terms of the GNU Library General Public License as
   7 published by the Free Software Foundation; either version 2 of the
   8 License, or (at your option) any later version.
   9
  10 This library is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13 Library General Public License for more details.
  14
  15 You should have received a copy of the GNU Library General Public
  16 License along with this library; see the file COPYING.LIB.  If
  17 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
  18 Cambridge, MA 02139, USA.
  19
  20    The author may be reached (Email) at the address mike@ai.mit.edu,
  21    or (US mail) as Mike Haertel c/o Free Software Foundation.  */
  22
  23 #ifndef _MALLOC_INTERNAL
  24 #define _MALLOC_INTERNAL
  25 #include <malloc.h>
  26 #endif
  27
  28 struct mstats
  29 mstats ()
  30 {
  31   struct mstats result;
  32
  33   result.bytes_total = (char *) (*__morecore) (0) - _heapbase;
  34   result.chunks_used = _chunks_used;
  35   result.bytes_used = _bytes_used;
  36   result.chunks_free = _chunks_free;
  37   result.bytes_free = _bytes_free;
  38   return result;
  39 }