old-cross-binutils/mmalloc/mmstats.c

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/* Access the statistics maintained by `mmalloc'.
Copyright 1990, 1991, 1992 Free Software Foundation
Written May 1989 by Mike Haertel.
Modified Mar 1992 by Fred Fish. (fnf@cygnus.com)
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA.
The author may be reached (Email) at the address mike@ai.mit.edu,
or (US mail) as Mike Haertel c/o Free Software Foundation. */
#include "mmalloc.h"
/* FIXME: See the comment in mmalloc.h where struct mstats is defined.
None of the internal mmalloc structures should be externally visible
outside the library. */
struct mstats
mmstats (md)
PTR md;
{
struct mstats result;
struct mdesc *mdp;
mdp = MD_TO_MDP (md);
result.bytes_total =
(char *) mdp -> morecore (mdp, 0) - mdp -> heapbase;
result.chunks_used = mdp -> heapstats.chunks_used;
result.bytes_used = mdp -> heapstats.bytes_used;
result.chunks_free = mdp -> heapstats.chunks_free;
result.bytes_free = mdp -> heapstats.bytes_free;
return (result);
}