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/types.h> 31 #include <sys/stat.h> 32 #include <err.h> 33 #include <errno.h> 34 #include <stdint.h> 35 #include <stdlib.h> 36 #include <string.h> 37 #include <unistd.h> 38 39 #include "image.h" 40 #include "format.h" 41 #include "mkimg.h" 42 43 static struct mkimg_format *first; 44 static struct mkimg_format *format; 45 46 struct mkimg_format * 47 format_iterate(struct mkimg_format *f) 48 { 49 50 return ((f == NULL) ? first : f->next); 51 } 52 53 void 54 format_register(struct mkimg_format *f) 55 { 56 57 f->next = first; 58 first = f; 59 } 60 61 int 62 format_resize(lba_t end) 63 { 64 65 if (format == NULL) 66 return (ENOSYS); 67 return (format->resize(end)); 68 } 69 70 int 71 format_select(const char *spec) 72 { 73 struct mkimg_format *f; 74 75 f = NULL; 76 while ((f = format_iterate(f)) != NULL) { 77 if (strcasecmp(spec, f->name) == 0) { 78 format = f; 79 return (0); 80 } 81 } 82 return (EINVAL); 83 } 84 85 struct mkimg_format * 86 format_selected(void) 87 { 88 89 return (format); 90 } 91 92 int 93 format_write(int fd) 94 { 95 int error; 96 97 if (format == NULL) 98 return (ENOSYS); 99 error = format->write(fd); 100 return (error); 101 } 102