format.c revision 296373
1/*- 2 * Copyright (c) 2014 Juniper Networks, Inc. 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 AUTHOR 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 AUTHOR 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 27#include <sys/cdefs.h> 28__FBSDID("$FreeBSD: releng/10.3/usr.bin/mkimg/format.c 284773 2015-06-24 18:40:34Z marcel $"); 29 30#include <sys/types.h> 31#include <sys/linker_set.h> 32#include <sys/queue.h> 33#include <sys/stat.h> 34#include <err.h> 35#include <errno.h> 36#include <stdint.h> 37#include <stdlib.h> 38#include <string.h> 39#include <unistd.h> 40 41#include "image.h" 42#include "format.h" 43#include "mkimg.h" 44 45static struct mkimg_format *format; 46 47int 48format_resize(lba_t end) 49{ 50 51 if (format == NULL) 52 return (ENOSYS); 53 return (format->resize(end)); 54} 55 56int 57format_select(const char *spec) 58{ 59 struct mkimg_format *f, **iter; 60 61 SET_FOREACH(iter, formats) { 62 f = *iter; 63 if (strcasecmp(spec, f->name) == 0) { 64 format = f; 65 return (0); 66 } 67 } 68 return (EINVAL); 69} 70 71struct mkimg_format * 72format_selected(void) 73{ 74 75 return (format); 76} 77 78int 79format_write(int fd) 80{ 81 int error; 82 83 if (format == NULL) 84 return (ENOSYS); 85 error = format->write(fd); 86 return (error); 87} 88