lib/ext2fs/tst_bitops.c

/*
 * This testing program makes sure the bitops functions work
 *
 * Copyright (C) 2001 by Theodore Ts'o.
 * 
 * %Begin-Header%
 * This file may be redistributed under the terms of the GNU Public
 * License.
 * %End-Header%
 */

/* #define _EXT2_USE_C_VERSIONS_ */

#include <stdio.h>
#include <string.h>
#if HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <fcntl.h>
#include <time.h>
#include <sys/stat.h>
#include <sys/types.h>
#if HAVE_ERRNO_H
#include <errno.h>
#endif

#include "ext2_fs.h"
#include "ext2fs.h"

unsigned char bitarray[] = {
	0x80, 0xF0, 0x40, 0x40, 0x0, 0x0, 0x0, 0x0, 0x10, 0x20, 0x00, 0x00
	};

main(int argc, char **argv)
{
	int	i, size;

	size = sizeof(bitarray)*8;
	i = ext2fs_find_first_bit_set(bitarray, size);
	while (i < size) {
		printf("Bit set: %d\n", i);
		i = ext2fs_find_next_bit_set(bitarray, size, i+1);
	}
}