#ifndef INCLUDED_tlsf
#define INCLUDED_tlsf

/*
** Two Level Segregated Fit memory allocator, version 3.1.
** Written by Matthew Conte
**	http://tlsf.baisoku.org
**
** Based on the original documentation by Miguel Masmano:
**	http://www.gii.upv.es/tlsf/main/docs
**
** This implementation was written to the specification
** of the document, therefore no GPL restrictions apply.
** 
** Copyright (c) 2006-2016, Matthew Conte
** All rights reserved.
** 
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are met:
**     * Redistributions of source code must retain the above copyright
**       notice, this list of conditions and the following disclaimer.
**     * Redistributions in binary form must reproduce the above copyright
**       notice, this list of conditions and the following disclaimer in the
**       documentation and/or other materials provided with the distribution.
**     * Neither the name of the copyright holder nor the
**       names of its contributors may be used to endorse or promote products
**       derived from this software without specific prior written permission.
** 
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
** ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
** WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
** DISCLAIMED. IN NO EVENT SHALL MATTHEW CONTE BE LIABLE FOR ANY
** DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
** (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
** LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
** ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
** SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

/**
 * Modified by Jeff Niu (@mogball)
 */

#include <stddef.h>

#if defined(__cplusplus)
extern "C" {
#endif

// TLSF control structure reference
typedef void *tlsf_t;
// TLSF memory pool reference
typedef void *pool_t;

// Create TLSF controller
tlsf_t tlsf_create(void *mem);
// Create TLSF controller with a memory pool
tlsf_t tlsf_create_with_pool(void *mem, size_t bytes);
// Destroy a TLSF controller
void tlsf_destroy(tlsf_t tlsf);
// Get pool corresponding to TLSF controller
pool_t tlsf_get_pool(tlsf_t tlsf);

// Add a memory pool to a TLSF controller
pool_t tlsf_add_pool(tlsf_t tlsf, void *mem, size_t bytes);
// Remove a pool from the TLSF controller
void tlsf_remove_pool(tlsf_t tlsf, pool_t pool);

// Standard interface API
void *tlsf_malloc(tlsf_t tlsf, size_t bytes);
void *tlsf_memalign(tlsf_t tlsf, size_t align, size_t bytes);
void *tlsf_realloc(tlsf_t tlsf, void *ptr, size_t size);
void tlsf_free(tlsf_t tlsf, void *ptr);

// Returns internal block size associated with a pointer
size_t tlsf_block_size(void *ptr);

// Overheads/limits of internal structures
size_t tlsf_size(void);
size_t tlsf_align_size(void);
size_t tlsf_block_size_min(void);
size_t tlsf_block_size_max(void);
size_t tlsf_pool_overhead(void);
size_t tlsf_alloc_overhead(void);

#if defined(__cplusplus)
};
#endif

#endif