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/*-
 * Copyright (c) 2004-2010 Pawel Jakub Dawidek <pjd@FreeBSD.org>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * $FreeBSD: release/9.1.0/sbin/geom/misc/subr.h 213074 2010-09-23 12:04:12Z pjd $
 */

#ifndef _SUBR_H_
#define	_SUBR_H_
#include <stdint.h>

unsigned int g_lcm(unsigned int a, unsigned int b);
uint32_t bitcount32(uint32_t x);
int g_parse_lba(const char *lbastr, unsigned int sectorsize, off_t *sectors);

off_t g_get_mediasize(const char *name);
unsigned int g_get_sectorsize(const char *name);

int g_metadata_read(const char *name, unsigned char *md, size_t size,
    const char *magic);
int g_metadata_store(const char *name, const unsigned char *md, size_t size);
int g_metadata_clear(const char *name, const char *magic);

void gctl_error(struct gctl_req *req, const char *error, ...) __printflike(2, 3);
int gctl_get_int(struct gctl_req *req, const char *pfmt, ...) __printflike(2, 3);
intmax_t gctl_get_intmax(struct gctl_req *req, const char *pfmt, ...) __printflike(2, 3);
const char *gctl_get_ascii(struct gctl_req *req, const char *pfmt, ...) __printflike(2, 3);
int gctl_change_param(struct gctl_req *req, const char *name, int len,
    const void *value);
int gctl_delete_param(struct gctl_req *req, const char *name);
int gctl_has_param(struct gctl_req *req, const char *name);

#endif	/* !_SUBR_H_ */

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