bitmap.h

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/*
 Copyright (C) 2009 Sung Ho Park
 Contact: ubinos.org@gmail.com
 
 This file is part of the itf_ubinos component of the Ubinos.
 
 GNU General Public License Usage
 This file may be used under the terms of the GNU
 General Public License version 3.0 as published by the Free Software
 Foundation and appearing in the file license_gpl3.txt included in the
 packaging of this file. Please review the following information to
 ensure the GNU General Public License version 3.0 requirements will be
 met: http://www.gnu.org/copyleft/gpl.html.
 
 GNU Lesser General Public License Usage
 Alternatively, this file may be used under the terms of the GNU Lesser
 General Public License version 2.1 as published by the Free Software
 Foundation and appearing in the file license_lgpl.txt included in the
 packaging of this file. Please review the following information to
 ensure the GNU Lesser General Public License version 2.1 requirements
 will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
 
 Commercial Usage
 Alternatively, licensees holding valid commercial licenses may
 use this file in accordance with the commercial license agreement
 provided with the software or, alternatively, in accordance with the
 terms contained in a written agreement between you and rightful owner.
 */
 
#ifndef UBICLIB_BITMAP_H_
#define UBICLIB_BITMAP_H_
 
#ifdef  __cplusplus
extern "C"
{
#endif
 
#include <ubinos_config.h>
#include <ubinos/type.h>
 
#define BITMAP_DEPTH_MAX    4
 
typedef struct _bitmap_t
{
    unsigned int bitsize; 
    unsigned int * map; 
    unsigned int map_bytesize; 
    unsigned int level_depth; 
    unsigned int level_offset_a[BITMAP_DEPTH_MAX]; 
} bitmap_t;
 
typedef bitmap_t * bitmap_pt;
 
#define BITMAP_INITVALUE(bitsize)   {   \
    bitsize,                            \
    NULL,                               \
    0,                                  \
    0,                                  \
    {0, }                               \
}
 
int bitmap_init(bitmap_pt bitmap, unsigned int bitsize, unsigned char * buf,
        unsigned int bufsize);
 
unsigned int bitmap_getmemsize(unsigned int bitsize);
 
unsigned int bitmap_getmapsize(unsigned int bitsize);
 
int bitmap_create(bitmap_pt * bitmap_p, unsigned int bitsize);
 
int bitmap_delete(bitmap_pt * bitmap_p);
 
int bitmap_getbit(bitmap_pt bitmap, unsigned int index);
 
int bitmap_setbit(bitmap_pt bitmap, unsigned int index, int value);
 
int bitmap_setbitall(bitmap_pt bitmap, int value);
 
unsigned int bitmap_getlsb(bitmap_pt bitmap);
 
unsigned int bitmap_getlsb2(bitmap_pt bitmap, unsigned int index);
 
unsigned int bitmap_getmsb(bitmap_pt bitmap);
 
#ifdef  __cplusplus
}
#endif
 
#endif /* UBICLIB_BITMAP_H_ */