mirror of
git://anongit.mindrot.org/openssh.git
synced 2024-12-29 05:32:07 +00:00
57 lines
1.8 KiB
C
57 lines
1.8 KiB
C
/*
|
|
* Copyright (c) 2015 Damien Miller <djm@mindrot.org>
|
|
*
|
|
* Permission to use, copy, modify, and distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice appear in all copies.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
|
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
|
|
#ifndef _BITMAP_H
|
|
#define _BITMAP_H
|
|
|
|
#include <sys/types.h>
|
|
|
|
/* Simple bit vector routines */
|
|
|
|
struct bitmap;
|
|
|
|
/* Allocate a new bitmap. Returns NULL on allocation failure. */
|
|
struct bitmap *bitmap_new(void);
|
|
|
|
/* Free a bitmap */
|
|
void bitmap_free(struct bitmap *b);
|
|
|
|
/* Zero an existing bitmap */
|
|
void bitmap_zero(struct bitmap *b);
|
|
|
|
/* Test whether a bit is set in a bitmap. */
|
|
int bitmap_test_bit(struct bitmap *b, u_int n);
|
|
|
|
/* Set a bit in a bitmap. Returns 0 on success or -1 on error */
|
|
int bitmap_set_bit(struct bitmap *b, u_int n);
|
|
|
|
/* Clear a bit in a bitmap */
|
|
void bitmap_clear_bit(struct bitmap *b, u_int n);
|
|
|
|
/* Return the number of bits in a bitmap (i.e. the position of the MSB) */
|
|
size_t bitmap_nbits(struct bitmap *b);
|
|
|
|
/* Return the number of bytes needed to represent a bitmap */
|
|
size_t bitmap_nbytes(struct bitmap *b);
|
|
|
|
/* Convert a bitmap to a big endian byte string */
|
|
int bitmap_to_string(struct bitmap *b, void *p, size_t l);
|
|
|
|
/* Convert a big endian byte string to a bitmap */
|
|
int bitmap_from_string(struct bitmap *b, const void *p, size_t l);
|
|
|
|
#endif /* _BITMAP_H */
|