isc-malloc.c

/*
 * $Id: isc-malloc.c,v 1.9 1998/07/08 13:41:47 ceder Exp $
 * Copyright (C) 1991, 1992, 1993, 1994, 1995  Lysator Academic Computer Association.
 *
 * This file is part of the LysKOM server.
 * 
 * LysKOM 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.
 * 
 * LysKOM 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 LysKOM; see the file COPYING.  If not, write to
 * Lysator, c/o ISY, Linkoping University, S-581 83 Linkoping, SWEDEN,
 * or the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, 
 * MA 02139, USA.
 *
 * Please mail bug reports to bug-lyskom@lysator.liu.se. 
 */
/*
 * Malloc wrappers for the isc package.
 *
 * These functions call smalloc and also counts
 * how many allocated blocks there are.
 */

static const char *
rcsid = "$Id: isc-malloc.c,v 1.9 1998/07/08 13:41:47 ceder Exp $";
#include "rcs.h"
USE(rcsid);

#include <sys/types.h>
#ifdef HAVE_STDDEF_H
#  include <stddef.h>
#endif
#include <stdio.h>

#include "exp.h"
#include "isc-malloc.h"
#include "server/smalloc.h"

static int no_of_allocated_blocks = 0;

EXPORT  void *
isc_malloc_wrapper(size_t size)
{
   ++no_of_allocated_blocks;
   return smalloc (size);
}


EXPORT  void
isc_free_wrapper(void * ptr)
{
    --no_of_allocated_blocks;
    sfree(ptr);
}

EXPORT  void *
isc_realloc_wrapper (void * ptr,
		     size_t size)
{
    if ( ptr == NULL )
	return isc_malloc_wrapper (size);

    return srealloc (ptr, size);
}


EXPORT void
dump_isc_alloc_counts(FILE *stat_file)
{
    fprintf(stat_file, "---%s:\n\tAllocated blocks by isc: %d\n",
	    __FILE__, no_of_allocated_blocks);
}