freebsd-dev/lib/libbe/be_error.c

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/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2017 Kyle J. Kneitinger <kyle@kneit.in>
* 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 REGENTS 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 REGENTS 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 "be.h"
#include "be_impl.h"
/*
* Usage
*/
int
libbe_errno(libbe_handle_t *lbh)
{
return (lbh->error);
}
const char *
libbe_error_description(libbe_handle_t *lbh)
{
switch (lbh->error) {
case BE_ERR_INVALIDNAME:
return ("invalid boot environment name");
case BE_ERR_EXISTS:
return ("boot environment name already taken");
case BE_ERR_NOENT:
return ("specified boot environment does not exist");
case BE_ERR_PERMS:
return ("insufficient permissions");
case BE_ERR_DESTROYACT:
return ("cannot destroy active boot environment");
case BE_ERR_DESTROYMNT:
return ("cannot destroy mounted boot env unless forced");
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case BE_ERR_BADPATH:
return ("path not suitable for operation");
case BE_ERR_PATHBUSY:
return ("specified path is busy");
case BE_ERR_PATHLEN:
return ("provided path name exceeds maximum length limit");
case BE_ERR_BADMOUNT:
return ("mountpoint is not \"/\"");
case BE_ERR_NOORIGIN:
return ("could not open snapshot's origin");
case BE_ERR_MOUNTED:
return ("boot environment is already mounted");
case BE_ERR_NOMOUNT:
return ("boot environment is not mounted");
case BE_ERR_ZFSOPEN:
return ("calling zfs_open() failed");
case BE_ERR_ZFSCLONE:
return ("error when calling zfs_clone() to create boot env");
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case BE_ERR_IO:
return ("input/output error");
case BE_ERR_NOPOOL:
return ("operation not supported on this pool");
case BE_ERR_NOMEM:
return ("insufficient memory");
case BE_ERR_UNKNOWN:
return ("unknown error");
case BE_ERR_INVORIGIN:
return ("invalid origin");
default:
assert(lbh->error == BE_ERR_SUCCESS);
return ("no error");
}
}
void
libbe_print_on_error(libbe_handle_t *lbh, bool val)
{
lbh->print_on_err = val;
libzfs_print_on_error(lbh->lzh, val);
}
int
set_error(libbe_handle_t *lbh, be_error_t err)
{
lbh->error = err;
if (lbh->print_on_err && (err != BE_ERR_SUCCESS))
fprintf(stderr, "%s\n", libbe_error_description(lbh));
return (err);
}