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