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/* Copyright (c) 2008, XenSource 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:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of XenSource Inc. nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT OWNER
* 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 <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "libvhd.h"
int
vhd_util_repair(int argc, char **argv)
{
char *name;
int err, c;
off_t eof;
vhd_context_t vhd;
name = NULL;
if (!argc || !argv)
goto usage;
optind = 0;
while ((c = getopt(argc, argv, "n:h")) != -1) {
switch (c) {
case 'n':
name = optarg;
break;
case 'h':
default:
goto usage;
}
}
if (!name || optind != argc)
goto usage;
err = vhd_open(&vhd, name, VHD_OPEN_RDWR);
if (err) {
printf("error opening %s: %d\n", name, err);
return err;
}
err = vhd_end_of_data(&vhd, &eof);
if (err) {
printf("error finding end of data: %d\n", err);
goto done;
}
err = vhd_write_footer_at(&vhd, &vhd.footer, eof);
done:
vhd_close(&vhd);
return err;
usage:
printf("options: <-n name> [-h help]\n");
return -EINVAL;
}
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