freebsd-skq/apm.c
marcel 0dddaf6f49 Add a scheme-specific write callback to write the metadata.
While here:
1.  Move FreeBSD-specific headers to a more centralized place, so that
    it's easier to port mkimg.
2.  Remove inclusion of <uuid.h> where we don't need it (copy-pasted).
3.  Check the partition data given on the command line before we do any
    I/O.
4.  Add scheme_round() for rounding the partition size.
5.  Have scheme_write call the scheme-specific write callback and have
    it propagate errors back to the caller.
2014-03-20 20:14:26 +00:00

68 lines
2.1 KiB
C

/*-
* Copyright (c) 2014 Juniper Networks, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/types.h>
#include <sys/apm.h>
#include <sys/errno.h>
#include <stdlib.h>
#include "mkimg.h"
#include "scheme.h"
static struct mkimg_alias apm_aliases[] = {
{ NULL, 0 }
};
static u_int
apm_metadata(u_int where, u_int parts, u_int secsz __unused)
{
u_int secs;
secs = (where == SCHEME_META_IMG_START) ? parts + 1 : 0;
return (secs);
}
static int
apm_write(int fd __unused, off_t imgsz __unused, u_int parts __unused,
u_int secsz __unused)
{
return (ENOSYS);
}
static struct mkimg_scheme apm_scheme = {
.name = "apm",
.description = "Apple Partition Map",
.aliases = apm_aliases,
.metadata = apm_metadata,
.write = apm_write,
.nparts = 4096
};
SCHEME_DEFINE(apm_scheme);