xref: /freebsd/sbin/geom/misc/subr.h (revision c98323078dede7579020518ec84cdcb478e5c142)
1 /*-
2  * Copyright (c) 2004 Pawel Jakub Dawidek <pjd@FreeBSD.org>
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  * $FreeBSD$
27  */
28 
29 #ifndef _SUBR_H_
30 #define	_SUBR_H_
31 unsigned g_lcm(unsigned a, unsigned b);
32 
33 off_t g_get_mediasize(const char *name);
34 unsigned g_get_sectorsize(const char *name);
35 
36 int g_metadata_read(const char *name, u_char *md, size_t size,
37     const char *magic);
38 int g_metadata_store(const char *name, u_char *md, size_t size);
39 int g_metadata_clear(const char *name, const char *magic);
40 
41 void gctl_error(struct gctl_req *req, const char *error, ...);
42 void *gctl_get_param(struct gctl_req *req, const char *param, int *len);
43 char const *gctl_get_asciiparam(struct gctl_req *req, const char *param);
44 void *gctl_get_paraml(struct gctl_req *req, const char *param, int len);
45 #endif	/* !_SUBR_H_ */
46