New memory malloc malloc library, based on GNU malloc.

1 files changed, 46 insertions, 0 deletions

diff --git a/mmalloc/mmstats.c b/mmalloc/mmstats.c
new file mode 100644
index 0000000..d3846eb2
--- /dev/null
+++ b/mmalloc/mmstats.c
@@ -0,0 +1,46 @@
+/* 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);
+}