854 lines
20 KiB
C
854 lines
20 KiB
C
/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License (the "License").
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* You may not use this file except in compliance with the License.
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*
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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* or http://www.opensolaris.org/os/licensing.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information: Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*/
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/*
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* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
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* Use is subject to license terms.
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*/
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#pragma ident "%Z%%M% %I% %E% SMI"
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/*
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* Internal utility routines for the ZFS library.
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*/
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#include <errno.h>
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#include <fcntl.h>
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#include <libintl.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <strings.h>
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#include <unistd.h>
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#include <sys/mnttab.h>
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#include <sys/mntent.h>
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#include <sys/types.h>
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#include <libzfs.h>
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#include "libzfs_impl.h"
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int
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libzfs_errno(libzfs_handle_t *hdl)
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{
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return (hdl->libzfs_error);
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}
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const char *
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libzfs_error_action(libzfs_handle_t *hdl)
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{
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return (hdl->libzfs_action);
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}
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const char *
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libzfs_error_description(libzfs_handle_t *hdl)
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{
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if (hdl->libzfs_desc[0] != '\0')
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return (hdl->libzfs_desc);
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switch (hdl->libzfs_error) {
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case EZFS_NOMEM:
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return (dgettext(TEXT_DOMAIN, "out of memory"));
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case EZFS_BADPROP:
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return (dgettext(TEXT_DOMAIN, "invalid property value"));
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case EZFS_PROPREADONLY:
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return (dgettext(TEXT_DOMAIN, "read only property"));
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case EZFS_PROPTYPE:
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return (dgettext(TEXT_DOMAIN, "property doesn't apply to "
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"datasets of this type"));
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case EZFS_PROPNONINHERIT:
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return (dgettext(TEXT_DOMAIN, "property cannot be inherited"));
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case EZFS_PROPSPACE:
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return (dgettext(TEXT_DOMAIN, "invalid quota or reservation"));
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case EZFS_BADTYPE:
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return (dgettext(TEXT_DOMAIN, "operation not applicable to "
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"datasets of this type"));
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case EZFS_BUSY:
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return (dgettext(TEXT_DOMAIN, "pool or dataset is busy"));
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case EZFS_EXISTS:
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return (dgettext(TEXT_DOMAIN, "pool or dataset exists"));
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case EZFS_NOENT:
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return (dgettext(TEXT_DOMAIN, "no such pool or dataset"));
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case EZFS_BADSTREAM:
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return (dgettext(TEXT_DOMAIN, "invalid backup stream"));
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case EZFS_DSREADONLY:
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return (dgettext(TEXT_DOMAIN, "dataset is read only"));
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case EZFS_VOLTOOBIG:
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return (dgettext(TEXT_DOMAIN, "volume size exceeds limit for "
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"this system"));
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case EZFS_VOLHASDATA:
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return (dgettext(TEXT_DOMAIN, "volume has data"));
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case EZFS_INVALIDNAME:
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return (dgettext(TEXT_DOMAIN, "invalid name"));
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case EZFS_BADRESTORE:
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return (dgettext(TEXT_DOMAIN, "unable to restore to "
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"destination"));
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case EZFS_BADBACKUP:
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return (dgettext(TEXT_DOMAIN, "backup failed"));
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case EZFS_BADTARGET:
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return (dgettext(TEXT_DOMAIN, "invalid target vdev"));
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case EZFS_NODEVICE:
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return (dgettext(TEXT_DOMAIN, "no such device in pool"));
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case EZFS_BADDEV:
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return (dgettext(TEXT_DOMAIN, "invalid device"));
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case EZFS_NOREPLICAS:
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return (dgettext(TEXT_DOMAIN, "no valid replicas"));
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case EZFS_RESILVERING:
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return (dgettext(TEXT_DOMAIN, "currently resilvering"));
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case EZFS_BADVERSION:
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return (dgettext(TEXT_DOMAIN, "unsupported version"));
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case EZFS_POOLUNAVAIL:
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return (dgettext(TEXT_DOMAIN, "pool is unavailable"));
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case EZFS_DEVOVERFLOW:
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return (dgettext(TEXT_DOMAIN, "too many devices in one vdev"));
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case EZFS_BADPATH:
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return (dgettext(TEXT_DOMAIN, "must be an absolute path"));
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case EZFS_CROSSTARGET:
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return (dgettext(TEXT_DOMAIN, "operation crosses datasets or "
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"pools"));
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case EZFS_ZONED:
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return (dgettext(TEXT_DOMAIN, "dataset in use by local zone"));
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case EZFS_MOUNTFAILED:
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return (dgettext(TEXT_DOMAIN, "mount failed"));
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case EZFS_UMOUNTFAILED:
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return (dgettext(TEXT_DOMAIN, "umount failed"));
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case EZFS_UNSHARENFSFAILED:
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return (dgettext(TEXT_DOMAIN, "unshare(1M) failed"));
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case EZFS_SHARENFSFAILED:
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return (dgettext(TEXT_DOMAIN, "share(1M) failed"));
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case EZFS_DEVLINKS:
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return (dgettext(TEXT_DOMAIN, "failed to create /dev links"));
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case EZFS_PERM:
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return (dgettext(TEXT_DOMAIN, "permission denied"));
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case EZFS_NOSPC:
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return (dgettext(TEXT_DOMAIN, "out of space"));
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case EZFS_IO:
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return (dgettext(TEXT_DOMAIN, "I/O error"));
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case EZFS_INTR:
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return (dgettext(TEXT_DOMAIN, "signal received"));
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case EZFS_ISSPARE:
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return (dgettext(TEXT_DOMAIN, "device is reserved as a hot "
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"spare"));
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case EZFS_INVALCONFIG:
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return (dgettext(TEXT_DOMAIN, "invalid vdev configuration"));
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case EZFS_RECURSIVE:
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return (dgettext(TEXT_DOMAIN, "recursive dataset dependency"));
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case EZFS_NOHISTORY:
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return (dgettext(TEXT_DOMAIN, "no history available"));
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case EZFS_UNSHAREISCSIFAILED:
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return (dgettext(TEXT_DOMAIN,
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"iscsitgtd failed request to unshare"));
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case EZFS_SHAREISCSIFAILED:
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return (dgettext(TEXT_DOMAIN,
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"iscsitgtd failed request to share"));
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case EZFS_POOLPROPS:
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return (dgettext(TEXT_DOMAIN, "failed to retrieve "
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"pool properties"));
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case EZFS_POOL_NOTSUP:
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return (dgettext(TEXT_DOMAIN, "operation not supported "
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"on this type of pool"));
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case EZFS_POOL_INVALARG:
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return (dgettext(TEXT_DOMAIN, "invalid argument for "
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"this pool operation"));
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case EZFS_NAMETOOLONG:
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return (dgettext(TEXT_DOMAIN, "dataset name is too long"));
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case EZFS_UNKNOWN:
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return (dgettext(TEXT_DOMAIN, "unknown error"));
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default:
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assert(hdl->libzfs_error == 0);
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return (dgettext(TEXT_DOMAIN, "no error"));
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}
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}
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/*PRINTFLIKE2*/
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void
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zfs_error_aux(libzfs_handle_t *hdl, const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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(void) vsnprintf(hdl->libzfs_desc, sizeof (hdl->libzfs_desc),
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fmt, ap);
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hdl->libzfs_desc_active = 1;
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va_end(ap);
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}
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static void
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zfs_verror(libzfs_handle_t *hdl, int error, const char *fmt, va_list ap)
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{
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(void) vsnprintf(hdl->libzfs_action, sizeof (hdl->libzfs_action),
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fmt, ap);
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hdl->libzfs_error = error;
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if (hdl->libzfs_desc_active)
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hdl->libzfs_desc_active = 0;
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else
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hdl->libzfs_desc[0] = '\0';
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if (hdl->libzfs_printerr) {
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if (error == EZFS_UNKNOWN) {
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(void) fprintf(stderr, dgettext(TEXT_DOMAIN, "internal "
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"error: %s\n"), libzfs_error_description(hdl));
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abort();
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}
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(void) fprintf(stderr, "%s: %s\n", hdl->libzfs_action,
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libzfs_error_description(hdl));
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if (error == EZFS_NOMEM)
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exit(1);
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}
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}
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int
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zfs_error(libzfs_handle_t *hdl, int error, const char *msg)
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{
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return (zfs_error_fmt(hdl, error, "%s", msg));
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}
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/*PRINTFLIKE3*/
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int
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zfs_error_fmt(libzfs_handle_t *hdl, int error, const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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zfs_verror(hdl, error, fmt, ap);
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va_end(ap);
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return (-1);
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}
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static int
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zfs_common_error(libzfs_handle_t *hdl, int error, const char *fmt,
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va_list ap)
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{
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switch (error) {
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case EPERM:
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case EACCES:
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zfs_verror(hdl, EZFS_PERM, fmt, ap);
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return (-1);
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case EIO:
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zfs_verror(hdl, EZFS_IO, fmt, ap);
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return (-1);
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case EINTR:
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zfs_verror(hdl, EZFS_INTR, fmt, ap);
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return (-1);
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}
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return (0);
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}
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int
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zfs_standard_error(libzfs_handle_t *hdl, int error, const char *msg)
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{
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return (zfs_standard_error_fmt(hdl, error, "%s", msg));
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}
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/*PRINTFLIKE3*/
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int
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zfs_standard_error_fmt(libzfs_handle_t *hdl, int error, const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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if (zfs_common_error(hdl, error, fmt, ap) != 0) {
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va_end(ap);
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return (-1);
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}
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switch (error) {
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case ENXIO:
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zfs_verror(hdl, EZFS_IO, fmt, ap);
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break;
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case ENOENT:
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zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
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"dataset does not exist"));
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zfs_verror(hdl, EZFS_NOENT, fmt, ap);
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break;
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case ENOSPC:
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case EDQUOT:
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zfs_verror(hdl, EZFS_NOSPC, fmt, ap);
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return (-1);
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case EEXIST:
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zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
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"dataset already exists"));
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zfs_verror(hdl, EZFS_EXISTS, fmt, ap);
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break;
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case EBUSY:
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zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
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"dataset is busy"));
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zfs_verror(hdl, EZFS_BUSY, fmt, ap);
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break;
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case ENAMETOOLONG:
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zfs_verror(hdl, EZFS_NAMETOOLONG, fmt, ap);
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break;
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default:
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zfs_error_aux(hdl, strerror(errno));
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zfs_verror(hdl, EZFS_UNKNOWN, fmt, ap);
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break;
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}
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va_end(ap);
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return (-1);
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}
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int
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zpool_standard_error(libzfs_handle_t *hdl, int error, const char *msg)
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{
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return (zpool_standard_error_fmt(hdl, error, "%s", msg));
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}
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/*PRINTFLIKE3*/
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int
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zpool_standard_error_fmt(libzfs_handle_t *hdl, int error, const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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if (zfs_common_error(hdl, error, fmt, ap) != 0) {
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va_end(ap);
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return (-1);
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}
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switch (error) {
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case ENODEV:
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zfs_verror(hdl, EZFS_NODEVICE, fmt, ap);
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break;
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case ENOENT:
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zfs_error_aux(hdl,
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dgettext(TEXT_DOMAIN, "no such pool or dataset"));
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zfs_verror(hdl, EZFS_NOENT, fmt, ap);
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break;
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case EEXIST:
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zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
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"pool already exists"));
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zfs_verror(hdl, EZFS_EXISTS, fmt, ap);
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break;
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case EBUSY:
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zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "pool is busy"));
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zfs_verror(hdl, EZFS_EXISTS, fmt, ap);
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break;
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case ENXIO:
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zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
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"one or more devices is currently unavailable"));
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zfs_verror(hdl, EZFS_BADDEV, fmt, ap);
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break;
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case ENAMETOOLONG:
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zfs_verror(hdl, EZFS_DEVOVERFLOW, fmt, ap);
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break;
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case ENOTSUP:
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zfs_verror(hdl, EZFS_POOL_NOTSUP, fmt, ap);
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break;
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case EINVAL:
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zfs_verror(hdl, EZFS_POOL_INVALARG, fmt, ap);
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break;
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default:
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zfs_error_aux(hdl, strerror(error));
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zfs_verror(hdl, EZFS_UNKNOWN, fmt, ap);
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}
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va_end(ap);
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return (-1);
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}
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/*
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* Display an out of memory error message and abort the current program.
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*/
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int
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no_memory(libzfs_handle_t *hdl)
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{
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return (zfs_error(hdl, EZFS_NOMEM, "internal error"));
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}
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/*
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* A safe form of malloc() which will die if the allocation fails.
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*/
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void *
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zfs_alloc(libzfs_handle_t *hdl, size_t size)
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{
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void *data;
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if ((data = calloc(1, size)) == NULL)
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(void) no_memory(hdl);
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return (data);
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}
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/*
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* A safe form of realloc(), which also zeroes newly allocated space.
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*/
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void *
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zfs_realloc(libzfs_handle_t *hdl, void *ptr, size_t oldsize, size_t newsize)
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{
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void *ret;
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if ((ret = realloc(ptr, newsize)) == NULL) {
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(void) no_memory(hdl);
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free(ptr);
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return (NULL);
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}
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bzero((char *)ret + oldsize, (newsize - oldsize));
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return (ret);
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}
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/*
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* A safe form of strdup() which will die if the allocation fails.
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*/
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char *
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zfs_strdup(libzfs_handle_t *hdl, const char *str)
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{
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char *ret;
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if ((ret = strdup(str)) == NULL)
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(void) no_memory(hdl);
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return (ret);
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}
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/*
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* Convert a number to an appropriately human-readable output.
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*/
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void
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zfs_nicenum(uint64_t num, char *buf, size_t buflen)
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{
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uint64_t n = num;
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int index = 0;
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char u;
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while (n >= 1024) {
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n /= 1024;
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index++;
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}
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u = " KMGTPE"[index];
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if (index == 0) {
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(void) snprintf(buf, buflen, "%llu", n);
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} else if ((num & ((1ULL << 10 * index) - 1)) == 0) {
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/*
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* If this is an even multiple of the base, always display
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* without any decimal precision.
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*/
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(void) snprintf(buf, buflen, "%llu%c", n, u);
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} else {
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/*
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* We want to choose a precision that reflects the best choice
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* for fitting in 5 characters. This can get rather tricky when
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* we have numbers that are very close to an order of magnitude.
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* For example, when displaying 10239 (which is really 9.999K),
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* we want only a single place of precision for 10.0K. We could
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* develop some complex heuristics for this, but it's much
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* easier just to try each combination in turn.
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*/
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int i;
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for (i = 2; i >= 0; i--) {
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(void) snprintf(buf, buflen, "%.*f%c", i,
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(double)num / (1ULL << 10 * index), u);
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if (strlen(buf) <= 5)
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break;
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}
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}
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}
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void
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libzfs_print_on_error(libzfs_handle_t *hdl, boolean_t printerr)
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{
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hdl->libzfs_printerr = printerr;
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}
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static int
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libzfs_load(void)
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{
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int error;
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if (modfind("zfs") < 0) {
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/* Not present in kernel, try loading it. */
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if (kldload("zfs") < 0 || modfind("zfs") < 0) {
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if (errno != EEXIST)
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return (error);
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}
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}
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return (0);
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}
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libzfs_handle_t *
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libzfs_init(void)
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{
|
|
libzfs_handle_t *hdl;
|
|
|
|
if ((hdl = calloc(sizeof (libzfs_handle_t), 1)) == NULL) {
|
|
return (NULL);
|
|
}
|
|
|
|
if ((hdl->libzfs_fd = open(ZFS_DEV, O_RDWR)) < 0) {
|
|
if (libzfs_load() == 0)
|
|
hdl->libzfs_fd = open(ZFS_DEV, O_RDWR);
|
|
if (hdl->libzfs_fd < 0) {
|
|
free(hdl);
|
|
return (NULL);
|
|
}
|
|
}
|
|
|
|
if ((hdl->libzfs_mnttab = fopen(MNTTAB, "r")) == NULL) {
|
|
(void) close(hdl->libzfs_fd);
|
|
free(hdl);
|
|
return (NULL);
|
|
}
|
|
|
|
hdl->libzfs_sharetab = fopen(ZFS_EXPORTS_PATH, "r");
|
|
|
|
return (hdl);
|
|
}
|
|
|
|
void
|
|
libzfs_fini(libzfs_handle_t *hdl)
|
|
{
|
|
(void) close(hdl->libzfs_fd);
|
|
if (hdl->libzfs_mnttab)
|
|
(void) fclose(hdl->libzfs_mnttab);
|
|
if (hdl->libzfs_sharetab)
|
|
(void) fclose(hdl->libzfs_sharetab);
|
|
namespace_clear(hdl);
|
|
free(hdl);
|
|
}
|
|
|
|
libzfs_handle_t *
|
|
zpool_get_handle(zpool_handle_t *zhp)
|
|
{
|
|
return (zhp->zpool_hdl);
|
|
}
|
|
|
|
libzfs_handle_t *
|
|
zfs_get_handle(zfs_handle_t *zhp)
|
|
{
|
|
return (zhp->zfs_hdl);
|
|
}
|
|
|
|
/*
|
|
* Given a name, determine whether or not it's a valid path
|
|
* (starts with '/' or "./"). If so, walk the mnttab trying
|
|
* to match the device number. If not, treat the path as an
|
|
* fs/vol/snap name.
|
|
*/
|
|
zfs_handle_t *
|
|
zfs_path_to_zhandle(libzfs_handle_t *hdl, char *path, zfs_type_t argtype)
|
|
{
|
|
struct statfs statbuf;
|
|
|
|
if (path[0] != '/' && strncmp(path, "./", strlen("./")) != 0) {
|
|
/*
|
|
* It's not a valid path, assume it's a name of type 'argtype'.
|
|
*/
|
|
return (zfs_open(hdl, path, argtype));
|
|
}
|
|
|
|
if (statfs(path, &statbuf) != 0) {
|
|
(void) fprintf(stderr, "%s: %s\n", path, strerror(errno));
|
|
return (NULL);
|
|
}
|
|
|
|
if (strcmp(statbuf.f_fstypename, MNTTYPE_ZFS) != 0) {
|
|
(void) fprintf(stderr, gettext("'%s': not a ZFS filesystem\n"),
|
|
path);
|
|
return (NULL);
|
|
}
|
|
|
|
return (zfs_open(hdl, statbuf.f_mntfromname, ZFS_TYPE_FILESYSTEM));
|
|
}
|
|
|
|
/*
|
|
* Initialize the zc_nvlist_dst member to prepare for receiving an nvlist from
|
|
* an ioctl().
|
|
*/
|
|
int
|
|
zcmd_alloc_dst_nvlist(libzfs_handle_t *hdl, zfs_cmd_t *zc, size_t len)
|
|
{
|
|
if (len == 0)
|
|
len = 2048;
|
|
zc->zc_nvlist_dst_size = len;
|
|
if ((zc->zc_nvlist_dst = (uint64_t)(uintptr_t)
|
|
zfs_alloc(hdl, zc->zc_nvlist_dst_size)) == 0)
|
|
return (-1);
|
|
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Called when an ioctl() which returns an nvlist fails with ENOMEM. This will
|
|
* expand the nvlist to the size specified in 'zc_nvlist_dst_size', which was
|
|
* filled in by the kernel to indicate the actual required size.
|
|
*/
|
|
int
|
|
zcmd_expand_dst_nvlist(libzfs_handle_t *hdl, zfs_cmd_t *zc)
|
|
{
|
|
free((void *)(uintptr_t)zc->zc_nvlist_dst);
|
|
if ((zc->zc_nvlist_dst = (uint64_t)(uintptr_t)
|
|
zfs_alloc(hdl, zc->zc_nvlist_dst_size))
|
|
== 0)
|
|
return (-1);
|
|
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Called to free the src and dst nvlists stored in the command structure.
|
|
*/
|
|
void
|
|
zcmd_free_nvlists(zfs_cmd_t *zc)
|
|
{
|
|
free((void *)(uintptr_t)zc->zc_nvlist_src);
|
|
free((void *)(uintptr_t)zc->zc_nvlist_dst);
|
|
}
|
|
|
|
int
|
|
zcmd_write_src_nvlist(libzfs_handle_t *hdl, zfs_cmd_t *zc, nvlist_t *nvl,
|
|
size_t *size)
|
|
{
|
|
char *packed;
|
|
size_t len;
|
|
|
|
verify(nvlist_size(nvl, &len, NV_ENCODE_NATIVE) == 0);
|
|
|
|
if ((packed = zfs_alloc(hdl, len)) == NULL)
|
|
return (-1);
|
|
|
|
verify(nvlist_pack(nvl, &packed, &len, NV_ENCODE_NATIVE, 0) == 0);
|
|
|
|
zc->zc_nvlist_src = (uint64_t)(uintptr_t)packed;
|
|
zc->zc_nvlist_src_size = len;
|
|
|
|
if (size)
|
|
*size = len;
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Unpacks an nvlist from the ZFS ioctl command structure.
|
|
*/
|
|
int
|
|
zcmd_read_dst_nvlist(libzfs_handle_t *hdl, zfs_cmd_t *zc, nvlist_t **nvlp)
|
|
{
|
|
if (nvlist_unpack((void *)(uintptr_t)zc->zc_nvlist_dst,
|
|
zc->zc_nvlist_dst_size, nvlp, 0) != 0)
|
|
return (no_memory(hdl));
|
|
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
zfs_print_prop_headers(libzfs_get_cbdata_t *cbp)
|
|
{
|
|
zfs_proplist_t *pl = cbp->cb_proplist;
|
|
int i;
|
|
char *title;
|
|
size_t len;
|
|
|
|
cbp->cb_first = B_FALSE;
|
|
if (cbp->cb_scripted)
|
|
return;
|
|
|
|
/*
|
|
* Start with the length of the column headers.
|
|
*/
|
|
cbp->cb_colwidths[GET_COL_NAME] = strlen(dgettext(TEXT_DOMAIN, "NAME"));
|
|
cbp->cb_colwidths[GET_COL_PROPERTY] = strlen(dgettext(TEXT_DOMAIN,
|
|
"PROPERTY"));
|
|
cbp->cb_colwidths[GET_COL_VALUE] = strlen(dgettext(TEXT_DOMAIN,
|
|
"VALUE"));
|
|
cbp->cb_colwidths[GET_COL_SOURCE] = strlen(dgettext(TEXT_DOMAIN,
|
|
"SOURCE"));
|
|
|
|
/*
|
|
* Go through and calculate the widths for each column. For the
|
|
* 'source' column, we kludge it up by taking the worst-case scenario of
|
|
* inheriting from the longest name. This is acceptable because in the
|
|
* majority of cases 'SOURCE' is the last column displayed, and we don't
|
|
* use the width anyway. Note that the 'VALUE' column can be oversized,
|
|
* if the name of the property is much longer the any values we find.
|
|
*/
|
|
for (pl = cbp->cb_proplist; pl != NULL; pl = pl->pl_next) {
|
|
/*
|
|
* 'PROPERTY' column
|
|
*/
|
|
if (pl->pl_prop != ZFS_PROP_INVAL) {
|
|
len = strlen(zfs_prop_to_name(pl->pl_prop));
|
|
if (len > cbp->cb_colwidths[GET_COL_PROPERTY])
|
|
cbp->cb_colwidths[GET_COL_PROPERTY] = len;
|
|
} else {
|
|
len = strlen(pl->pl_user_prop);
|
|
if (len > cbp->cb_colwidths[GET_COL_PROPERTY])
|
|
cbp->cb_colwidths[GET_COL_PROPERTY] = len;
|
|
}
|
|
|
|
/*
|
|
* 'VALUE' column
|
|
*/
|
|
if ((pl->pl_prop != ZFS_PROP_NAME || !pl->pl_all) &&
|
|
pl->pl_width > cbp->cb_colwidths[GET_COL_VALUE])
|
|
cbp->cb_colwidths[GET_COL_VALUE] = pl->pl_width;
|
|
|
|
/*
|
|
* 'NAME' and 'SOURCE' columns
|
|
*/
|
|
if (pl->pl_prop == ZFS_PROP_NAME &&
|
|
pl->pl_width > cbp->cb_colwidths[GET_COL_NAME]) {
|
|
cbp->cb_colwidths[GET_COL_NAME] = pl->pl_width;
|
|
cbp->cb_colwidths[GET_COL_SOURCE] = pl->pl_width +
|
|
strlen(dgettext(TEXT_DOMAIN, "inherited from"));
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Now go through and print the headers.
|
|
*/
|
|
for (i = 0; i < 4; i++) {
|
|
switch (cbp->cb_columns[i]) {
|
|
case GET_COL_NAME:
|
|
title = dgettext(TEXT_DOMAIN, "NAME");
|
|
break;
|
|
case GET_COL_PROPERTY:
|
|
title = dgettext(TEXT_DOMAIN, "PROPERTY");
|
|
break;
|
|
case GET_COL_VALUE:
|
|
title = dgettext(TEXT_DOMAIN, "VALUE");
|
|
break;
|
|
case GET_COL_SOURCE:
|
|
title = dgettext(TEXT_DOMAIN, "SOURCE");
|
|
break;
|
|
default:
|
|
title = NULL;
|
|
}
|
|
|
|
if (title != NULL) {
|
|
if (i == 3 || cbp->cb_columns[i + 1] == 0)
|
|
(void) printf("%s", title);
|
|
else
|
|
(void) printf("%-*s ",
|
|
cbp->cb_colwidths[cbp->cb_columns[i]],
|
|
title);
|
|
}
|
|
}
|
|
(void) printf("\n");
|
|
}
|
|
|
|
/*
|
|
* Display a single line of output, according to the settings in the callback
|
|
* structure.
|
|
*/
|
|
void
|
|
libzfs_print_one_property(const char *name, libzfs_get_cbdata_t *cbp,
|
|
const char *propname, const char *value, zfs_source_t sourcetype,
|
|
const char *source)
|
|
{
|
|
int i;
|
|
const char *str;
|
|
char buf[128];
|
|
|
|
/*
|
|
* Ignore those source types that the user has chosen to ignore.
|
|
*/
|
|
if ((sourcetype & cbp->cb_sources) == 0)
|
|
return;
|
|
|
|
if (cbp->cb_first)
|
|
zfs_print_prop_headers(cbp);
|
|
|
|
for (i = 0; i < 4; i++) {
|
|
switch (cbp->cb_columns[i]) {
|
|
case GET_COL_NAME:
|
|
str = name;
|
|
break;
|
|
|
|
case GET_COL_PROPERTY:
|
|
str = propname;
|
|
break;
|
|
|
|
case GET_COL_VALUE:
|
|
str = value;
|
|
break;
|
|
|
|
case GET_COL_SOURCE:
|
|
switch (sourcetype) {
|
|
case ZFS_SRC_NONE:
|
|
str = "-";
|
|
break;
|
|
|
|
case ZFS_SRC_DEFAULT:
|
|
str = "default";
|
|
break;
|
|
|
|
case ZFS_SRC_LOCAL:
|
|
str = "local";
|
|
break;
|
|
|
|
case ZFS_SRC_TEMPORARY:
|
|
str = "temporary";
|
|
break;
|
|
|
|
case ZFS_SRC_INHERITED:
|
|
(void) snprintf(buf, sizeof (buf),
|
|
"inherited from %s", source);
|
|
str = buf;
|
|
break;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
continue;
|
|
}
|
|
|
|
if (cbp->cb_columns[i + 1] == 0)
|
|
(void) printf("%s", str);
|
|
else if (cbp->cb_scripted)
|
|
(void) printf("%s\t", str);
|
|
else
|
|
(void) printf("%-*s ",
|
|
cbp->cb_colwidths[cbp->cb_columns[i]],
|
|
str);
|
|
|
|
}
|
|
|
|
(void) printf("\n");
|
|
}
|