/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 2014 Garrett D'Amore <garrett@damore.org>
 */
/*      Copyright (c) 1988 AT&T */
/*        All Rights Reserved   */

#ifndef _MALLOC_H
#define _MALLOC_H

#include <sys/types.h>

#ifdef  __cplusplus
extern "C" {
#endif

/*
 *      Constants defining mallopt operations
 */
#define M_MXFAST        1       /* set size of blocks to be fast */
#define M_NLBLKS        2       /* set number of block in a holding block */
#define M_GRAIN         3       /* set number of sizes mapped to one, for */
                                /* small blocks */
#define M_KEEP          4       /* retain contents of block after a free */
                                /* until another allocation */
/*
 *      structure filled by
 */
struct mallinfo  {
        unsigned long arena;    /* total space in arena */
        unsigned long ordblks;  /* number of ordinary blocks */
        unsigned long smblks;   /* number of small blocks */
        unsigned long hblks;    /* number of holding blocks */
        unsigned long hblkhd;   /* space in holding block headers */
        unsigned long usmblks;  /* space in small blocks in use */
        unsigned long fsmblks;  /* space in free small blocks */
        unsigned long uordblks; /* space in ordinary blocks in use */
        unsigned long fordblks; /* space in free ordinary blocks */
        unsigned long keepcost; /* cost of enabling keep option */
};

#if (!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) || \
        defined(_XPG3)
#if __cplusplus >= 199711L
namespace std {
#endif

void *malloc(size_t);
void free(void *);
void *realloc(void *, size_t);
void *calloc(size_t, size_t);

#if __cplusplus >= 199711L
} /* end of namespace std */

using std::malloc;
using std::free;
using std::realloc;
using std::calloc;
#endif /* __cplusplus >= 199711L */
#endif /* (!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) || ... */

int mallopt(int, int);
struct mallinfo mallinfo(void);

#ifdef  __cplusplus
}
#endif

#endif  /* _MALLOC_H */