bitmap.h

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/*
 * Copyright (c) 2009 Sung Ho Park
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#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_ */