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