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 #include <stdint.h> 32 33 unsigned g_lcm(unsigned a, unsigned b); 34 uint32_t bitcount32(uint32_t x); 35 36 off_t g_get_mediasize(const char *name); 37 unsigned g_get_sectorsize(const char *name); 38 39 int g_metadata_read(const char *name, u_char *md, size_t size, 40 const char *magic); 41 int g_metadata_store(const char *name, u_char *md, size_t size); 42 int g_metadata_clear(const char *name, const char *magic); 43 44 void gctl_error(struct gctl_req *req, const char *error, ...) __printflike(2, 3); 45 int gctl_get_int(struct gctl_req *req, const char *pfmt, ...) __printflike(2, 3); 46 intmax_t gctl_get_intmax(struct gctl_req *req, const char *pfmt, ...) __printflike(2, 3); 47 const char *gctl_get_ascii(struct gctl_req *req, const char *pfmt, ...) __printflike(2, 3); 48 int gctl_change_param(struct gctl_req *req, const char *name, int len, 49 const void *value); 50 #endif /* !_SUBR_H_ */ 51