117 lines
3.0 KiB
C
117 lines
3.0 KiB
C
/*
|
|
* be_error.c
|
|
*
|
|
* 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 "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");
|
|
|
|
case BE_ERR_PATHLEN:
|
|
return ("provided path name exceeds maximum length limit");
|
|
|
|
case BE_ERR_INVORIGIN:
|
|
return ("snapshot origin's 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");
|
|
|
|
case BE_ERR_UNKNOWN:
|
|
return ("unknown error");
|
|
|
|
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)
|
|
{
|
|
|
|
/* XXX TODO: should the old error be overwritten or no? */
|
|
lbh->error = err;
|
|
if (lbh->print_on_err && (err != BE_ERR_SUCCESS))
|
|
fprintf(stderr, "%s\n", libbe_error_description(lbh));
|
|
|
|
return (err);
|
|
}
|