NetBSD/sbin/gpt/unset.c
2015-12-01 19:25:24 +00:00

94 lines
2.5 KiB
C

/*-
* Copyright (c) 2002 Marcel Moolenaar
* 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 ``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 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.
*/
#if HAVE_NBTOOL_CONFIG_H
#include "nbtool_config.h"
#endif
#include <sys/cdefs.h>
#ifdef __FBSDID
__FBSDID("$FreeBSD: src/sbin/gpt/add.c,v 1.14 2006/06/22 22:05:28 marcel Exp $");
#endif
#ifdef __RCSID
__RCSID("$NetBSD: unset.c,v 1.9 2015/12/01 19:25:24 christos Exp $");
#endif
#include <sys/types.h>
#include <err.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "map.h"
#include "gpt.h"
#include "gpt_private.h"
static int cmd_unset(gpt_t, int, char *[]);
static const char *unsethelp[] = {
"-a attribute -i index",
};
struct gpt_cmd c_unset = {
"unset",
cmd_unset,
unsethelp, __arraycount(unsethelp),
0,
};
#define usage() gpt_usage(NULL, &c_unset)
static int
cmd_unset(gpt_t gpt, int argc, char *argv[])
{
int ch;
unsigned int entry = 0;
uint64_t attributes = 0;
while ((ch = getopt(argc, argv, "a:i:")) != -1) {
switch(ch) {
case 'a':
if (gpt_attr_get(&attributes) == -1)
return usage();
break;
case 'i':
if (gpt_entry_get(&entry) == -1)
return usage();
break;
default:
return usage();
}
}
if (argc != optind)
return usage();
return gpt_attr_update(gpt, entry, 0, attributes);
}