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("$FreeBSD$"); 29 30 #include <sys/stat.h> 31 #include <err.h> 32 #include <errno.h> 33 #include <stdint.h> 34 #include <stdlib.h> 35 #include <string.h> 36 #include <unistd.h> 37 38 #include "image.h" 39 #include "format.h" 40 #include "mkimg.h" 41 42 static struct mkimg_format *first; 43 static struct mkimg_format *format; 44 45 struct mkimg_format * 46 format_iterate(struct mkimg_format *f) 47 { 48 49 return ((f == NULL) ? first : f->next); 50 } 51 52 void 53 format_register(struct mkimg_format *f) 54 { 55 56 f->next = first; 57 first = f; 58 } 59 60 int 61 format_resize(lba_t end) 62 { 63 64 if (format == NULL) 65 return (ENOSYS); 66 return (format->resize(end)); 67 } 68 69 int 70 format_select(const char *spec) 71 { 72 struct mkimg_format *f; 73 74 f = NULL; 75 while ((f = format_iterate(f)) != NULL) { 76 if (strcasecmp(spec, f->name) == 0) { 77 format = f; 78 return (0); 79 } 80 } 81 return (EINVAL); 82 } 83 84 struct mkimg_format * 85 format_selected(void) 86 { 87 88 return (format); 89 } 90 91 int 92 format_write(int fd) 93 { 94 int error; 95 96 if (format == NULL) 97 return (ENOSYS); 98 error = format->write(fd); 99 return (error); 100 } 101