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96 lines
2.2 KiB
C
96 lines
2.2 KiB
C
/*-
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* Copyright (c) 2014 Juniper Networks, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/stat.h>
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#include <errno.h>
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#include <string.h>
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#include "image.h"
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#include "format.h"
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static struct mkimg_format *first;
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static struct mkimg_format *format;
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struct mkimg_format *
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format_iterate(struct mkimg_format *f)
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{
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return ((f == NULL) ? first : f->next);
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}
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void
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format_register(struct mkimg_format *f)
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{
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f->next = first;
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first = f;
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}
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int
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format_resize(lba_t end)
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{
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if (format == NULL)
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return (ENOSYS);
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return (format->resize(end));
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}
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int
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format_select(const char *spec)
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{
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struct mkimg_format *f;
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f = NULL;
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while ((f = format_iterate(f)) != NULL) {
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if (strcasecmp(spec, f->name) == 0) {
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format = f;
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return (0);
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}
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}
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return (EINVAL);
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}
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struct mkimg_format *
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format_selected(void)
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{
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return (format);
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}
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int
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format_write(int fd)
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{
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int error;
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if (format == NULL)
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return (ENOSYS);
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error = format->write(fd);
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return (error);
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}
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