/* Cairo - a vector graphics library with display and print output
*
* Copyright © 2007 Chris Wilson
* Copyright © 2009 Intel Corporation
*
* This library is free software ; you can redistribute it and / or
* modify it either under the terms of the GNU Lesser General Public
* License version 2 . 1 as published by the Free Software Foundation
* ( the " LGPL " ) or , at your option , under the terms of the Mozilla
* Public License Version 1 . 1 ( the " MPL " ) . If you do not alter this
* notice , a recipient may use your version of this file under either
* the MPL or the LGPL .
*
* You should have received a copy of the LGPL along with this library
* in the file COPYING - LGPL - 2 . 1 ; if not , write to the Free Software
* Foundation , Inc . , 51 Franklin Street , Suite 500 , Boston , MA 02110 - 1335 , USA
* You should have received a copy of the MPL along with this library
* in the file COPYING - MPL - 1 . 1
*
* The contents of this file are subject to the Mozilla Public License
* Version 1 . 1 ( the " License " ) ; you may not use this file except in
* compliance with the License . You may obtain a copy of the License at
* http : //www.mozilla.org/MPL/
*
* This software is distributed on an " AS IS " basis , WITHOUT WARRANTY
* OF ANY KIND , either express or implied . See the LGPL or the MPL for
* the specific language governing rights and limitations .
*
* The Original Code is the cairo graphics library .
*
* The Initial Developer of the Original Code is Red Hat , Inc .
*
* Contributors ( s ) :
* Chris Wilson < chris @ chris - wilson . co . uk >
*/
#ifndef CAIRO_MEMPOOL_PRIVATE_H
#define CAIRO_MEMPOOL_PRIVATE_H
#include "cairo-compiler-private.h"
#include "cairo-error-private.h"
#include <stddef.h> /* for size_t */
CAIRO_BEGIN_DECLS
typedef struct _cairo_mempool cairo_mempool_t;
struct _cairo_mempool {
char *base;
struct _cairo_memblock {
int bits;
cairo_list_t link;
} *blocks;
cairo_list_t free[32 ];
unsigned char *map;
unsigned int num_blocks;
int min_bits; /* Minimum block size is 1 << min_bits */
int num_sizes;
int max_free_bits;
size_t free_bytes;
size_t max_bytes;
};
cairo_private cairo_status_t
_cairo_mempool_init (cairo_mempool_t *pool,
void *base,
size_t bytes,
int min_bits,
int num_sizes);
cairo_private void *
_cairo_mempool_alloc (cairo_mempool_t *pi, size_t bytes);
cairo_private void
_cairo_mempool_free (cairo_mempool_t *pi, void *storage);
cairo_private void
_cairo_mempool_fini (cairo_mempool_t *pool);
CAIRO_END_DECLS
#endif /* CAIRO_MEMPOOL_PRIVATE_H */
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