1fa9e4066Sahrens /* 2fa9e4066Sahrens * CDDL HEADER START 3fa9e4066Sahrens * 4fa9e4066Sahrens * The contents of this file are subject to the terms of the 5ea8dc4b6Seschrock * Common Development and Distribution License (the "License"). 6ea8dc4b6Seschrock * You may not use this file except in compliance with the License. 7fa9e4066Sahrens * 8fa9e4066Sahrens * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9fa9e4066Sahrens * or http://www.opensolaris.org/os/licensing. 10fa9e4066Sahrens * See the License for the specific language governing permissions 11fa9e4066Sahrens * and limitations under the License. 12fa9e4066Sahrens * 13fa9e4066Sahrens * When distributing Covered Code, include this CDDL HEADER in each 14fa9e4066Sahrens * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15fa9e4066Sahrens * If applicable, add the following below this CDDL HEADER, with the 16fa9e4066Sahrens * fields enclosed by brackets "[]" replaced with your own identifying 17fa9e4066Sahrens * information: Portions Copyright [yyyy] [name of copyright owner] 18fa9e4066Sahrens * 19fa9e4066Sahrens * CDDL HEADER END 20fa9e4066Sahrens */ 21fa9e4066Sahrens /* 225aba80dbSck * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 23fa9e4066Sahrens * Use is subject to license terms. 24fa9e4066Sahrens */ 25fa9e4066Sahrens 26fa9e4066Sahrens #pragma ident "%Z%%M% %I% %E% SMI" 27fa9e4066Sahrens 28fa9e4066Sahrens /* 29fa9e4066Sahrens * Internal utility routines for the ZFS library. 30fa9e4066Sahrens */ 31fa9e4066Sahrens 32fa9e4066Sahrens #include <errno.h> 33fa9e4066Sahrens #include <fcntl.h> 34fa9e4066Sahrens #include <libintl.h> 35fa9e4066Sahrens #include <stdarg.h> 36fa9e4066Sahrens #include <stdio.h> 37fa9e4066Sahrens #include <stdlib.h> 38fa9e4066Sahrens #include <strings.h> 39fa9e4066Sahrens #include <unistd.h> 40fa9e4066Sahrens #include <sys/mnttab.h> 415aba80dbSck #include <sys/mntent.h> 425aba80dbSck #include <sys/types.h> 43fa9e4066Sahrens 44fa9e4066Sahrens #include <libzfs.h> 45fa9e4066Sahrens 46fa9e4066Sahrens #include "libzfs_impl.h" 47fa9e4066Sahrens 4899653d4eSeschrock int 4999653d4eSeschrock libzfs_errno(libzfs_handle_t *hdl) 5099653d4eSeschrock { 5199653d4eSeschrock return (hdl->libzfs_error); 5299653d4eSeschrock } 53fa9e4066Sahrens 5499653d4eSeschrock const char * 5599653d4eSeschrock libzfs_error_action(libzfs_handle_t *hdl) 5699653d4eSeschrock { 5799653d4eSeschrock return (hdl->libzfs_action); 5899653d4eSeschrock } 59fa9e4066Sahrens 6099653d4eSeschrock const char * 6199653d4eSeschrock libzfs_error_description(libzfs_handle_t *hdl) 6299653d4eSeschrock { 6399653d4eSeschrock if (hdl->libzfs_desc[0] != '\0') 6499653d4eSeschrock return (hdl->libzfs_desc); 6599653d4eSeschrock 6699653d4eSeschrock switch (hdl->libzfs_error) { 6799653d4eSeschrock case EZFS_NOMEM: 6899653d4eSeschrock return (dgettext(TEXT_DOMAIN, "out of memory")); 6999653d4eSeschrock case EZFS_BADPROP: 7099653d4eSeschrock return (dgettext(TEXT_DOMAIN, "invalid property value")); 7199653d4eSeschrock case EZFS_PROPREADONLY: 7299653d4eSeschrock return (dgettext(TEXT_DOMAIN, "read only property")); 7399653d4eSeschrock case EZFS_PROPTYPE: 7499653d4eSeschrock return (dgettext(TEXT_DOMAIN, "property doesn't apply to " 7599653d4eSeschrock "datasets of this type")); 7699653d4eSeschrock case EZFS_PROPNONINHERIT: 7799653d4eSeschrock return (dgettext(TEXT_DOMAIN, "property cannot be inherited")); 7899653d4eSeschrock case EZFS_PROPSPACE: 7999653d4eSeschrock return (dgettext(TEXT_DOMAIN, "invalid quota or reservation")); 8099653d4eSeschrock case EZFS_BADTYPE: 8199653d4eSeschrock return (dgettext(TEXT_DOMAIN, "operation not applicable to " 8299653d4eSeschrock "datasets of this type")); 8399653d4eSeschrock case EZFS_BUSY: 8499653d4eSeschrock return (dgettext(TEXT_DOMAIN, "pool or dataset is busy")); 8599653d4eSeschrock case EZFS_EXISTS: 8699653d4eSeschrock return (dgettext(TEXT_DOMAIN, "pool or dataset exists")); 8799653d4eSeschrock case EZFS_NOENT: 8899653d4eSeschrock return (dgettext(TEXT_DOMAIN, "no such pool or dataset")); 8999653d4eSeschrock case EZFS_BADSTREAM: 9099653d4eSeschrock return (dgettext(TEXT_DOMAIN, "invalid backup stream")); 9199653d4eSeschrock case EZFS_DSREADONLY: 9299653d4eSeschrock return (dgettext(TEXT_DOMAIN, "dataset is read only")); 9399653d4eSeschrock case EZFS_VOLTOOBIG: 9499653d4eSeschrock return (dgettext(TEXT_DOMAIN, "volume size exceeds limit for " 9599653d4eSeschrock "this system")); 9699653d4eSeschrock case EZFS_VOLHASDATA: 9799653d4eSeschrock return (dgettext(TEXT_DOMAIN, "volume has data")); 9899653d4eSeschrock case EZFS_INVALIDNAME: 9999653d4eSeschrock return (dgettext(TEXT_DOMAIN, "invalid name")); 10099653d4eSeschrock case EZFS_BADRESTORE: 10199653d4eSeschrock return (dgettext(TEXT_DOMAIN, "unable to restore to " 10299653d4eSeschrock "destination")); 10399653d4eSeschrock case EZFS_BADBACKUP: 10499653d4eSeschrock return (dgettext(TEXT_DOMAIN, "backup failed")); 10599653d4eSeschrock case EZFS_BADTARGET: 10699653d4eSeschrock return (dgettext(TEXT_DOMAIN, "invalid target vdev")); 10799653d4eSeschrock case EZFS_NODEVICE: 10899653d4eSeschrock return (dgettext(TEXT_DOMAIN, "no such device in pool")); 10999653d4eSeschrock case EZFS_BADDEV: 11099653d4eSeschrock return (dgettext(TEXT_DOMAIN, "invalid device")); 11199653d4eSeschrock case EZFS_NOREPLICAS: 11299653d4eSeschrock return (dgettext(TEXT_DOMAIN, "no valid replicas")); 11399653d4eSeschrock case EZFS_RESILVERING: 11499653d4eSeschrock return (dgettext(TEXT_DOMAIN, "currently resilvering")); 11599653d4eSeschrock case EZFS_BADVERSION: 11699653d4eSeschrock return (dgettext(TEXT_DOMAIN, "unsupported version")); 11799653d4eSeschrock case EZFS_POOLUNAVAIL: 11899653d4eSeschrock return (dgettext(TEXT_DOMAIN, "pool is unavailable")); 11999653d4eSeschrock case EZFS_DEVOVERFLOW: 12099653d4eSeschrock return (dgettext(TEXT_DOMAIN, "too many devices in one vdev")); 12199653d4eSeschrock case EZFS_BADPATH: 12299653d4eSeschrock return (dgettext(TEXT_DOMAIN, "must be an absolute path")); 12399653d4eSeschrock case EZFS_CROSSTARGET: 12499653d4eSeschrock return (dgettext(TEXT_DOMAIN, "operation crosses datasets or " 12599653d4eSeschrock "pools")); 12699653d4eSeschrock case EZFS_ZONED: 12799653d4eSeschrock return (dgettext(TEXT_DOMAIN, "dataset in use by local zone")); 12899653d4eSeschrock case EZFS_MOUNTFAILED: 12999653d4eSeschrock return (dgettext(TEXT_DOMAIN, "mount failed")); 13099653d4eSeschrock case EZFS_UMOUNTFAILED: 13199653d4eSeschrock return (dgettext(TEXT_DOMAIN, "umount failed")); 132f3861e1aSahl case EZFS_UNSHARENFSFAILED: 13399653d4eSeschrock return (dgettext(TEXT_DOMAIN, "unshare(1M) failed")); 134f3861e1aSahl case EZFS_SHARENFSFAILED: 13599653d4eSeschrock return (dgettext(TEXT_DOMAIN, "share(1M) failed")); 136*ecd6cf80Smarks case EZFS_ISCSISVCUNAVAIL: 137*ecd6cf80Smarks return (dgettext(TEXT_DOMAIN, 138*ecd6cf80Smarks "iscsitgt service need to be enabled by " 139*ecd6cf80Smarks "a privileged user")); 14099653d4eSeschrock case EZFS_DEVLINKS: 14199653d4eSeschrock return (dgettext(TEXT_DOMAIN, "failed to create /dev links")); 14299653d4eSeschrock case EZFS_PERM: 14399653d4eSeschrock return (dgettext(TEXT_DOMAIN, "permission denied")); 14499653d4eSeschrock case EZFS_NOSPC: 14599653d4eSeschrock return (dgettext(TEXT_DOMAIN, "out of space")); 14699653d4eSeschrock case EZFS_IO: 14799653d4eSeschrock return (dgettext(TEXT_DOMAIN, "I/O error")); 14899653d4eSeschrock case EZFS_INTR: 14999653d4eSeschrock return (dgettext(TEXT_DOMAIN, "signal received")); 15099653d4eSeschrock case EZFS_ISSPARE: 15199653d4eSeschrock return (dgettext(TEXT_DOMAIN, "device is reserved as a hot " 15299653d4eSeschrock "spare")); 15399653d4eSeschrock case EZFS_INVALCONFIG: 15499653d4eSeschrock return (dgettext(TEXT_DOMAIN, "invalid vdev configuration")); 1553bb79becSeschrock case EZFS_RECURSIVE: 1563bb79becSeschrock return (dgettext(TEXT_DOMAIN, "recursive dataset dependency")); 15706eeb2adSek case EZFS_NOHISTORY: 15806eeb2adSek return (dgettext(TEXT_DOMAIN, "no history available")); 159f3861e1aSahl case EZFS_UNSHAREISCSIFAILED: 160f3861e1aSahl return (dgettext(TEXT_DOMAIN, 161f3861e1aSahl "iscsitgtd failed request to unshare")); 162f3861e1aSahl case EZFS_SHAREISCSIFAILED: 163f3861e1aSahl return (dgettext(TEXT_DOMAIN, 164f3861e1aSahl "iscsitgtd failed request to share")); 165b1b8ab34Slling case EZFS_POOLPROPS: 166b1b8ab34Slling return (dgettext(TEXT_DOMAIN, "failed to retrieve " 167b1b8ab34Slling "pool properties")); 168b1b8ab34Slling case EZFS_POOL_NOTSUP: 169b1b8ab34Slling return (dgettext(TEXT_DOMAIN, "operation not supported " 170b1b8ab34Slling "on this type of pool")); 171b1b8ab34Slling case EZFS_POOL_INVALARG: 172b1b8ab34Slling return (dgettext(TEXT_DOMAIN, "invalid argument for " 173b1b8ab34Slling "this pool operation")); 174b7661cccSmmusante case EZFS_NAMETOOLONG: 175b7661cccSmmusante return (dgettext(TEXT_DOMAIN, "dataset name is too long")); 1768488aeb5Staylor case EZFS_OPENFAILED: 1778488aeb5Staylor return (dgettext(TEXT_DOMAIN, "open failed")); 1788488aeb5Staylor case EZFS_NOCAP: 1798488aeb5Staylor return (dgettext(TEXT_DOMAIN, 1808488aeb5Staylor "disk capacity information could not be retrieved")); 1818488aeb5Staylor case EZFS_LABELFAILED: 1828488aeb5Staylor return (dgettext(TEXT_DOMAIN, "write of label failed")); 183*ecd6cf80Smarks case EZFS_BADWHO: 184*ecd6cf80Smarks return (dgettext(TEXT_DOMAIN, "invalid user/group")); 185*ecd6cf80Smarks case EZFS_BADPERM: 186*ecd6cf80Smarks return (dgettext(TEXT_DOMAIN, "invalid permission")); 187*ecd6cf80Smarks case EZFS_BADPERMSET: 188*ecd6cf80Smarks return (dgettext(TEXT_DOMAIN, "invalid permission set name")); 189*ecd6cf80Smarks case EZFS_PERMSET_CIRCULAR: 190*ecd6cf80Smarks return (dgettext(TEXT_DOMAIN, 191*ecd6cf80Smarks "Cannot define a permission set in terms of itself")); 192*ecd6cf80Smarks case EZFS_NODELEGATION: 193*ecd6cf80Smarks return (dgettext(TEXT_DOMAIN, "delegated administration is " 194*ecd6cf80Smarks "disabled on pool")); 195*ecd6cf80Smarks case EZFS_PERMRDONLY: 196*ecd6cf80Smarks return (dgettext(TEXT_DOMAIN, "snapshot permissions cannot be" 197*ecd6cf80Smarks " modified")); 19899653d4eSeschrock case EZFS_UNKNOWN: 19999653d4eSeschrock return (dgettext(TEXT_DOMAIN, "unknown error")); 20099653d4eSeschrock default: 201c08432ebSeschrock assert(hdl->libzfs_error == 0); 202c08432ebSeschrock return (dgettext(TEXT_DOMAIN, "no error")); 20399653d4eSeschrock } 20499653d4eSeschrock } 20599653d4eSeschrock 20699653d4eSeschrock /*PRINTFLIKE2*/ 207fa9e4066Sahrens void 20899653d4eSeschrock zfs_error_aux(libzfs_handle_t *hdl, const char *fmt, ...) 209fa9e4066Sahrens { 210fa9e4066Sahrens va_list ap; 211fa9e4066Sahrens 212fa9e4066Sahrens va_start(ap, fmt); 213fa9e4066Sahrens 21499653d4eSeschrock (void) vsnprintf(hdl->libzfs_desc, sizeof (hdl->libzfs_desc), 21599653d4eSeschrock fmt, ap); 21699653d4eSeschrock hdl->libzfs_desc_active = 1; 21799653d4eSeschrock 21899653d4eSeschrock va_end(ap); 21999653d4eSeschrock } 22099653d4eSeschrock 22199653d4eSeschrock static void 22299653d4eSeschrock zfs_verror(libzfs_handle_t *hdl, int error, const char *fmt, va_list ap) 22399653d4eSeschrock { 22499653d4eSeschrock (void) vsnprintf(hdl->libzfs_action, sizeof (hdl->libzfs_action), 22599653d4eSeschrock fmt, ap); 22699653d4eSeschrock hdl->libzfs_error = error; 22799653d4eSeschrock 22899653d4eSeschrock if (hdl->libzfs_desc_active) 22999653d4eSeschrock hdl->libzfs_desc_active = 0; 23099653d4eSeschrock else 23199653d4eSeschrock hdl->libzfs_desc[0] = '\0'; 23299653d4eSeschrock 23399653d4eSeschrock if (hdl->libzfs_printerr) { 23499653d4eSeschrock if (error == EZFS_UNKNOWN) { 23599653d4eSeschrock (void) fprintf(stderr, dgettext(TEXT_DOMAIN, "internal " 23699653d4eSeschrock "error: %s\n"), libzfs_error_description(hdl)); 23799653d4eSeschrock abort(); 23899653d4eSeschrock } 23999653d4eSeschrock 24099653d4eSeschrock (void) fprintf(stderr, "%s: %s\n", hdl->libzfs_action, 241b1b8ab34Slling libzfs_error_description(hdl)); 24299653d4eSeschrock if (error == EZFS_NOMEM) 24399653d4eSeschrock exit(1); 244fa9e4066Sahrens } 24599653d4eSeschrock } 24699653d4eSeschrock 247ece3d9b3Slling int 248ece3d9b3Slling zfs_error(libzfs_handle_t *hdl, int error, const char *msg) 249ece3d9b3Slling { 250ece3d9b3Slling return (zfs_error_fmt(hdl, error, "%s", msg)); 251ece3d9b3Slling } 252ece3d9b3Slling 25399653d4eSeschrock /*PRINTFLIKE3*/ 25499653d4eSeschrock int 255ece3d9b3Slling zfs_error_fmt(libzfs_handle_t *hdl, int error, const char *fmt, ...) 25699653d4eSeschrock { 25799653d4eSeschrock va_list ap; 25899653d4eSeschrock 25999653d4eSeschrock va_start(ap, fmt); 26099653d4eSeschrock 26199653d4eSeschrock zfs_verror(hdl, error, fmt, ap); 262fa9e4066Sahrens 263fa9e4066Sahrens va_end(ap); 26499653d4eSeschrock 26599653d4eSeschrock return (-1); 266fa9e4066Sahrens } 267fa9e4066Sahrens 26899653d4eSeschrock static int 26999653d4eSeschrock zfs_common_error(libzfs_handle_t *hdl, int error, const char *fmt, 27099653d4eSeschrock va_list ap) 27199653d4eSeschrock { 27299653d4eSeschrock switch (error) { 27399653d4eSeschrock case EPERM: 27499653d4eSeschrock case EACCES: 27599653d4eSeschrock zfs_verror(hdl, EZFS_PERM, fmt, ap); 27699653d4eSeschrock return (-1); 27799653d4eSeschrock 278*ecd6cf80Smarks case ECANCELED: 279*ecd6cf80Smarks zfs_verror(hdl, EZFS_NODELEGATION, fmt, ap); 280*ecd6cf80Smarks return (-1); 281*ecd6cf80Smarks 28299653d4eSeschrock case EIO: 28399653d4eSeschrock zfs_verror(hdl, EZFS_IO, fmt, ap); 28499653d4eSeschrock return (-1); 28599653d4eSeschrock 28699653d4eSeschrock case EINTR: 28799653d4eSeschrock zfs_verror(hdl, EZFS_INTR, fmt, ap); 28899653d4eSeschrock return (-1); 28999653d4eSeschrock } 29099653d4eSeschrock 29199653d4eSeschrock return (0); 29299653d4eSeschrock } 29399653d4eSeschrock 294ece3d9b3Slling int 295ece3d9b3Slling zfs_standard_error(libzfs_handle_t *hdl, int error, const char *msg) 296ece3d9b3Slling { 297ece3d9b3Slling return (zfs_standard_error_fmt(hdl, error, "%s", msg)); 298ece3d9b3Slling } 299ece3d9b3Slling 30099653d4eSeschrock /*PRINTFLIKE3*/ 30199653d4eSeschrock int 302ece3d9b3Slling zfs_standard_error_fmt(libzfs_handle_t *hdl, int error, const char *fmt, ...) 303fa9e4066Sahrens { 304fa9e4066Sahrens va_list ap; 305fa9e4066Sahrens 306fa9e4066Sahrens va_start(ap, fmt); 307fa9e4066Sahrens 30899653d4eSeschrock if (zfs_common_error(hdl, error, fmt, ap) != 0) { 30999653d4eSeschrock va_end(ap); 31099653d4eSeschrock return (-1); 311fa9e4066Sahrens } 312fa9e4066Sahrens 313fa9e4066Sahrens 31499653d4eSeschrock switch (error) { 31599653d4eSeschrock case ENXIO: 31699653d4eSeschrock zfs_verror(hdl, EZFS_IO, fmt, ap); 31799653d4eSeschrock break; 31899653d4eSeschrock 31999653d4eSeschrock case ENOENT: 32099653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 32199653d4eSeschrock "dataset does not exist")); 32299653d4eSeschrock zfs_verror(hdl, EZFS_NOENT, fmt, ap); 32399653d4eSeschrock break; 32499653d4eSeschrock 32599653d4eSeschrock case ENOSPC: 32699653d4eSeschrock case EDQUOT: 32799653d4eSeschrock zfs_verror(hdl, EZFS_NOSPC, fmt, ap); 32899653d4eSeschrock return (-1); 32999653d4eSeschrock 33099653d4eSeschrock case EEXIST: 33199653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 33299653d4eSeschrock "dataset already exists")); 33399653d4eSeschrock zfs_verror(hdl, EZFS_EXISTS, fmt, ap); 33499653d4eSeschrock break; 33599653d4eSeschrock 33699653d4eSeschrock case EBUSY: 33799653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 33899653d4eSeschrock "dataset is busy")); 33999653d4eSeschrock zfs_verror(hdl, EZFS_BUSY, fmt, ap); 34099653d4eSeschrock break; 341*ecd6cf80Smarks case EROFS: 342*ecd6cf80Smarks zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 343*ecd6cf80Smarks "snapshot permissions cannot be modified")); 344*ecd6cf80Smarks zfs_verror(hdl, EZFS_PERMRDONLY, fmt, ap); 345*ecd6cf80Smarks break; 346b7661cccSmmusante case ENAMETOOLONG: 347b7661cccSmmusante zfs_verror(hdl, EZFS_NAMETOOLONG, fmt, ap); 348b7661cccSmmusante break; 34999653d4eSeschrock default: 35099653d4eSeschrock zfs_error_aux(hdl, strerror(errno)); 35199653d4eSeschrock zfs_verror(hdl, EZFS_UNKNOWN, fmt, ap); 35299653d4eSeschrock break; 35399653d4eSeschrock } 35499653d4eSeschrock 35599653d4eSeschrock va_end(ap); 35699653d4eSeschrock return (-1); 357fa9e4066Sahrens } 358fa9e4066Sahrens 359ece3d9b3Slling int 360ece3d9b3Slling zpool_standard_error(libzfs_handle_t *hdl, int error, const char *msg) 361ece3d9b3Slling { 362ece3d9b3Slling return (zpool_standard_error_fmt(hdl, error, "%s", msg)); 363ece3d9b3Slling } 364ece3d9b3Slling 36599653d4eSeschrock /*PRINTFLIKE3*/ 36699653d4eSeschrock int 367ece3d9b3Slling zpool_standard_error_fmt(libzfs_handle_t *hdl, int error, const char *fmt, ...) 368fa9e4066Sahrens { 36999653d4eSeschrock va_list ap; 37099653d4eSeschrock 37199653d4eSeschrock va_start(ap, fmt); 37299653d4eSeschrock 37399653d4eSeschrock if (zfs_common_error(hdl, error, fmt, ap) != 0) { 37499653d4eSeschrock va_end(ap); 37599653d4eSeschrock return (-1); 37699653d4eSeschrock } 37799653d4eSeschrock 37899653d4eSeschrock switch (error) { 37999653d4eSeschrock case ENODEV: 38099653d4eSeschrock zfs_verror(hdl, EZFS_NODEVICE, fmt, ap); 38199653d4eSeschrock break; 38299653d4eSeschrock 38399653d4eSeschrock case ENOENT: 384b1b8ab34Slling zfs_error_aux(hdl, 385b1b8ab34Slling dgettext(TEXT_DOMAIN, "no such pool or dataset")); 38699653d4eSeschrock zfs_verror(hdl, EZFS_NOENT, fmt, ap); 38799653d4eSeschrock break; 38899653d4eSeschrock 38999653d4eSeschrock case EEXIST: 39099653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 39199653d4eSeschrock "pool already exists")); 39299653d4eSeschrock zfs_verror(hdl, EZFS_EXISTS, fmt, ap); 39399653d4eSeschrock break; 39499653d4eSeschrock 39599653d4eSeschrock case EBUSY: 39699653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "pool is busy")); 39799653d4eSeschrock zfs_verror(hdl, EZFS_EXISTS, fmt, ap); 39899653d4eSeschrock break; 39999653d4eSeschrock 40099653d4eSeschrock case ENXIO: 40199653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 40299653d4eSeschrock "one or more devices is currently unavailable")); 40399653d4eSeschrock zfs_verror(hdl, EZFS_BADDEV, fmt, ap); 40499653d4eSeschrock break; 40599653d4eSeschrock 40699653d4eSeschrock case ENAMETOOLONG: 40799653d4eSeschrock zfs_verror(hdl, EZFS_DEVOVERFLOW, fmt, ap); 40899653d4eSeschrock break; 40999653d4eSeschrock 410b1b8ab34Slling case ENOTSUP: 411b1b8ab34Slling zfs_verror(hdl, EZFS_POOL_NOTSUP, fmt, ap); 412b1b8ab34Slling break; 413b1b8ab34Slling 414b1b8ab34Slling case EINVAL: 415b1b8ab34Slling zfs_verror(hdl, EZFS_POOL_INVALARG, fmt, ap); 416b1b8ab34Slling break; 417b1b8ab34Slling 418*ecd6cf80Smarks case ENOSPC: 419*ecd6cf80Smarks case EDQUOT: 420*ecd6cf80Smarks zfs_verror(hdl, EZFS_NOSPC, fmt, ap); 421*ecd6cf80Smarks return (-1); 422*ecd6cf80Smarks 42399653d4eSeschrock default: 42499653d4eSeschrock zfs_error_aux(hdl, strerror(error)); 42599653d4eSeschrock zfs_verror(hdl, EZFS_UNKNOWN, fmt, ap); 42699653d4eSeschrock } 42799653d4eSeschrock 42899653d4eSeschrock va_end(ap); 42999653d4eSeschrock return (-1); 430fa9e4066Sahrens } 431fa9e4066Sahrens 432fa9e4066Sahrens /* 433fa9e4066Sahrens * Display an out of memory error message and abort the current program. 434fa9e4066Sahrens */ 43599653d4eSeschrock int 43699653d4eSeschrock no_memory(libzfs_handle_t *hdl) 437fa9e4066Sahrens { 43899653d4eSeschrock return (zfs_error(hdl, EZFS_NOMEM, "internal error")); 439fa9e4066Sahrens } 440fa9e4066Sahrens 441fa9e4066Sahrens /* 442fa9e4066Sahrens * A safe form of malloc() which will die if the allocation fails. 443fa9e4066Sahrens */ 444fa9e4066Sahrens void * 44599653d4eSeschrock zfs_alloc(libzfs_handle_t *hdl, size_t size) 446fa9e4066Sahrens { 447fa9e4066Sahrens void *data; 448fa9e4066Sahrens 449fa9e4066Sahrens if ((data = calloc(1, size)) == NULL) 45099653d4eSeschrock (void) no_memory(hdl); 451fa9e4066Sahrens 452fa9e4066Sahrens return (data); 453fa9e4066Sahrens } 454fa9e4066Sahrens 455e9dbad6fSeschrock /* 456e9dbad6fSeschrock * A safe form of realloc(), which also zeroes newly allocated space. 457e9dbad6fSeschrock */ 458e9dbad6fSeschrock void * 459e9dbad6fSeschrock zfs_realloc(libzfs_handle_t *hdl, void *ptr, size_t oldsize, size_t newsize) 460e9dbad6fSeschrock { 461e9dbad6fSeschrock void *ret; 462e9dbad6fSeschrock 463e9dbad6fSeschrock if ((ret = realloc(ptr, newsize)) == NULL) { 464e9dbad6fSeschrock (void) no_memory(hdl); 465e9dbad6fSeschrock free(ptr); 466e9dbad6fSeschrock return (NULL); 467e9dbad6fSeschrock } 468e9dbad6fSeschrock 469e9dbad6fSeschrock bzero((char *)ret + oldsize, (newsize - oldsize)); 470e9dbad6fSeschrock return (ret); 471e9dbad6fSeschrock } 472e9dbad6fSeschrock 473fa9e4066Sahrens /* 474fa9e4066Sahrens * A safe form of strdup() which will die if the allocation fails. 475fa9e4066Sahrens */ 476fa9e4066Sahrens char * 47799653d4eSeschrock zfs_strdup(libzfs_handle_t *hdl, const char *str) 478fa9e4066Sahrens { 479fa9e4066Sahrens char *ret; 480fa9e4066Sahrens 481fa9e4066Sahrens if ((ret = strdup(str)) == NULL) 48299653d4eSeschrock (void) no_memory(hdl); 483fa9e4066Sahrens 484fa9e4066Sahrens return (ret); 485fa9e4066Sahrens } 486fa9e4066Sahrens 487fa9e4066Sahrens /* 488fa9e4066Sahrens * Convert a number to an appropriately human-readable output. 489fa9e4066Sahrens */ 490fa9e4066Sahrens void 491fa9e4066Sahrens zfs_nicenum(uint64_t num, char *buf, size_t buflen) 492fa9e4066Sahrens { 493fa9e4066Sahrens uint64_t n = num; 494fa9e4066Sahrens int index = 0; 495fa9e4066Sahrens char u; 496fa9e4066Sahrens 497fa9e4066Sahrens while (n >= 1024) { 4985c709891Seschrock n /= 1024; 499fa9e4066Sahrens index++; 500fa9e4066Sahrens } 501fa9e4066Sahrens 502fa9e4066Sahrens u = " KMGTPE"[index]; 503fa9e4066Sahrens 5045c709891Seschrock if (index == 0) { 505fa9e4066Sahrens (void) snprintf(buf, buflen, "%llu", n); 5065c709891Seschrock } else if ((num & ((1ULL << 10 * index) - 1)) == 0) { 5075c709891Seschrock /* 5085c709891Seschrock * If this is an even multiple of the base, always display 5095c709891Seschrock * without any decimal precision. 5105c709891Seschrock */ 511fa9e4066Sahrens (void) snprintf(buf, buflen, "%llu%c", n, u); 5125c709891Seschrock } else { 5135c709891Seschrock /* 5145c709891Seschrock * We want to choose a precision that reflects the best choice 5155c709891Seschrock * for fitting in 5 characters. This can get rather tricky when 5165c709891Seschrock * we have numbers that are very close to an order of magnitude. 5175c709891Seschrock * For example, when displaying 10239 (which is really 9.999K), 5185c709891Seschrock * we want only a single place of precision for 10.0K. We could 5195c709891Seschrock * develop some complex heuristics for this, but it's much 5205c709891Seschrock * easier just to try each combination in turn. 5215c709891Seschrock */ 5225c709891Seschrock int i; 5235c709891Seschrock for (i = 2; i >= 0; i--) { 5243d7072f8Seschrock if (snprintf(buf, buflen, "%.*f%c", i, 5253d7072f8Seschrock (double)num / (1ULL << 10 * index), u) <= 5) 5265c709891Seschrock break; 5275c709891Seschrock } 5285c709891Seschrock } 529fa9e4066Sahrens } 53099653d4eSeschrock 53199653d4eSeschrock void 53299653d4eSeschrock libzfs_print_on_error(libzfs_handle_t *hdl, boolean_t printerr) 53399653d4eSeschrock { 53499653d4eSeschrock hdl->libzfs_printerr = printerr; 53599653d4eSeschrock } 53699653d4eSeschrock 53799653d4eSeschrock libzfs_handle_t * 53899653d4eSeschrock libzfs_init(void) 53999653d4eSeschrock { 54099653d4eSeschrock libzfs_handle_t *hdl; 54199653d4eSeschrock 54299653d4eSeschrock if ((hdl = calloc(sizeof (libzfs_handle_t), 1)) == NULL) { 54399653d4eSeschrock return (NULL); 54499653d4eSeschrock } 54599653d4eSeschrock 546c08432ebSeschrock if ((hdl->libzfs_fd = open(ZFS_DEV, O_RDWR)) < 0) { 54799653d4eSeschrock free(hdl); 54899653d4eSeschrock return (NULL); 54999653d4eSeschrock } 55099653d4eSeschrock 55199653d4eSeschrock if ((hdl->libzfs_mnttab = fopen(MNTTAB, "r")) == NULL) { 55299653d4eSeschrock (void) close(hdl->libzfs_fd); 55399653d4eSeschrock free(hdl); 55499653d4eSeschrock return (NULL); 55599653d4eSeschrock } 55699653d4eSeschrock 55799653d4eSeschrock hdl->libzfs_sharetab = fopen("/etc/dfs/sharetab", "r"); 55899653d4eSeschrock 55999653d4eSeschrock return (hdl); 56099653d4eSeschrock } 56199653d4eSeschrock 56299653d4eSeschrock void 56399653d4eSeschrock libzfs_fini(libzfs_handle_t *hdl) 56499653d4eSeschrock { 56599653d4eSeschrock (void) close(hdl->libzfs_fd); 56699653d4eSeschrock if (hdl->libzfs_mnttab) 56799653d4eSeschrock (void) fclose(hdl->libzfs_mnttab); 56899653d4eSeschrock if (hdl->libzfs_sharetab) 56999653d4eSeschrock (void) fclose(hdl->libzfs_sharetab); 57067331909Sdougm zfs_uninit_libshare(hdl); 571*ecd6cf80Smarks if (hdl->libzfs_log_str) 572*ecd6cf80Smarks (void) free(hdl->libzfs_log_str); 57399653d4eSeschrock namespace_clear(hdl); 57499653d4eSeschrock free(hdl); 57599653d4eSeschrock } 57699653d4eSeschrock 57799653d4eSeschrock libzfs_handle_t * 57899653d4eSeschrock zpool_get_handle(zpool_handle_t *zhp) 57999653d4eSeschrock { 58099653d4eSeschrock return (zhp->zpool_hdl); 58199653d4eSeschrock } 58299653d4eSeschrock 58399653d4eSeschrock libzfs_handle_t * 58499653d4eSeschrock zfs_get_handle(zfs_handle_t *zhp) 58599653d4eSeschrock { 58699653d4eSeschrock return (zhp->zfs_hdl); 58799653d4eSeschrock } 588e9dbad6fSeschrock 5895aba80dbSck /* 5905aba80dbSck * Given a name, determine whether or not it's a valid path 5915aba80dbSck * (starts with '/' or "./"). If so, walk the mnttab trying 5925aba80dbSck * to match the device number. If not, treat the path as an 5935aba80dbSck * fs/vol/snap name. 5945aba80dbSck */ 5955aba80dbSck zfs_handle_t * 5965aba80dbSck zfs_path_to_zhandle(libzfs_handle_t *hdl, char *path, zfs_type_t argtype) 5975aba80dbSck { 5985aba80dbSck struct stat64 statbuf; 5995aba80dbSck struct extmnttab entry; 6005aba80dbSck int ret; 6015aba80dbSck 6025aba80dbSck if (path[0] != '/' && strncmp(path, "./", strlen("./")) != 0) { 6035aba80dbSck /* 6045aba80dbSck * It's not a valid path, assume it's a name of type 'argtype'. 6055aba80dbSck */ 6065aba80dbSck return (zfs_open(hdl, path, argtype)); 6075aba80dbSck } 6085aba80dbSck 6095aba80dbSck if (stat64(path, &statbuf) != 0) { 6105aba80dbSck (void) fprintf(stderr, "%s: %s\n", path, strerror(errno)); 6115aba80dbSck return (NULL); 6125aba80dbSck } 6135aba80dbSck 6145aba80dbSck rewind(hdl->libzfs_mnttab); 6155aba80dbSck while ((ret = getextmntent(hdl->libzfs_mnttab, &entry, 0)) == 0) { 6165aba80dbSck if (makedevice(entry.mnt_major, entry.mnt_minor) == 6175aba80dbSck statbuf.st_dev) { 6185aba80dbSck break; 6195aba80dbSck } 6205aba80dbSck } 6215aba80dbSck if (ret != 0) { 6225aba80dbSck return (NULL); 6235aba80dbSck } 6245aba80dbSck 6255aba80dbSck if (strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0) { 6265aba80dbSck (void) fprintf(stderr, gettext("'%s': not a ZFS filesystem\n"), 6275aba80dbSck path); 6285aba80dbSck return (NULL); 6295aba80dbSck } 6305aba80dbSck 6315aba80dbSck return (zfs_open(hdl, entry.mnt_special, ZFS_TYPE_FILESYSTEM)); 6325aba80dbSck } 6335aba80dbSck 634e9dbad6fSeschrock /* 635e9dbad6fSeschrock * Initialize the zc_nvlist_dst member to prepare for receiving an nvlist from 636e9dbad6fSeschrock * an ioctl(). 637e9dbad6fSeschrock */ 638e9dbad6fSeschrock int 639e9dbad6fSeschrock zcmd_alloc_dst_nvlist(libzfs_handle_t *hdl, zfs_cmd_t *zc, size_t len) 640e9dbad6fSeschrock { 641e9dbad6fSeschrock if (len == 0) 642a2eea2e1Sahrens len = 2048; 643e9dbad6fSeschrock zc->zc_nvlist_dst_size = len; 644e9dbad6fSeschrock if ((zc->zc_nvlist_dst = (uint64_t)(uintptr_t) 645e9dbad6fSeschrock zfs_alloc(hdl, zc->zc_nvlist_dst_size)) == NULL) 646e9dbad6fSeschrock return (-1); 647e9dbad6fSeschrock 648e9dbad6fSeschrock return (0); 649e9dbad6fSeschrock } 650e9dbad6fSeschrock 651e9dbad6fSeschrock /* 652e9dbad6fSeschrock * Called when an ioctl() which returns an nvlist fails with ENOMEM. This will 653e9dbad6fSeschrock * expand the nvlist to the size specified in 'zc_nvlist_dst_size', which was 654e9dbad6fSeschrock * filled in by the kernel to indicate the actual required size. 655e9dbad6fSeschrock */ 656e9dbad6fSeschrock int 657e9dbad6fSeschrock zcmd_expand_dst_nvlist(libzfs_handle_t *hdl, zfs_cmd_t *zc) 658e9dbad6fSeschrock { 659e9dbad6fSeschrock free((void *)(uintptr_t)zc->zc_nvlist_dst); 660e9dbad6fSeschrock if ((zc->zc_nvlist_dst = (uint64_t)(uintptr_t) 661e9dbad6fSeschrock zfs_alloc(hdl, zc->zc_nvlist_dst_size)) 662e9dbad6fSeschrock == NULL) 663e9dbad6fSeschrock return (-1); 664e9dbad6fSeschrock 665e9dbad6fSeschrock return (0); 666e9dbad6fSeschrock } 667e9dbad6fSeschrock 668e9dbad6fSeschrock /* 669a2eea2e1Sahrens * Called to free the src and dst nvlists stored in the command structure. 670e9dbad6fSeschrock */ 671e9dbad6fSeschrock void 672e9dbad6fSeschrock zcmd_free_nvlists(zfs_cmd_t *zc) 673e9dbad6fSeschrock { 674e9dbad6fSeschrock free((void *)(uintptr_t)zc->zc_nvlist_src); 675e9dbad6fSeschrock free((void *)(uintptr_t)zc->zc_nvlist_dst); 676e9dbad6fSeschrock } 677e9dbad6fSeschrock 678e9dbad6fSeschrock int 679e9dbad6fSeschrock zcmd_write_src_nvlist(libzfs_handle_t *hdl, zfs_cmd_t *zc, nvlist_t *nvl, 680e9dbad6fSeschrock size_t *size) 681e9dbad6fSeschrock { 682e9dbad6fSeschrock char *packed; 683e9dbad6fSeschrock size_t len; 684e9dbad6fSeschrock 685e9dbad6fSeschrock verify(nvlist_size(nvl, &len, NV_ENCODE_NATIVE) == 0); 686e9dbad6fSeschrock 687e9dbad6fSeschrock if ((packed = zfs_alloc(hdl, len)) == NULL) 688e9dbad6fSeschrock return (-1); 689e9dbad6fSeschrock 690e9dbad6fSeschrock verify(nvlist_pack(nvl, &packed, &len, NV_ENCODE_NATIVE, 0) == 0); 691e9dbad6fSeschrock 692e9dbad6fSeschrock zc->zc_nvlist_src = (uint64_t)(uintptr_t)packed; 693e9dbad6fSeschrock zc->zc_nvlist_src_size = len; 694e9dbad6fSeschrock 695e9dbad6fSeschrock if (size) 696e9dbad6fSeschrock *size = len; 697e9dbad6fSeschrock return (0); 698e9dbad6fSeschrock } 699e9dbad6fSeschrock 700e9dbad6fSeschrock /* 701e9dbad6fSeschrock * Unpacks an nvlist from the ZFS ioctl command structure. 702e9dbad6fSeschrock */ 703e9dbad6fSeschrock int 704e9dbad6fSeschrock zcmd_read_dst_nvlist(libzfs_handle_t *hdl, zfs_cmd_t *zc, nvlist_t **nvlp) 705e9dbad6fSeschrock { 706e9dbad6fSeschrock if (nvlist_unpack((void *)(uintptr_t)zc->zc_nvlist_dst, 707e9dbad6fSeschrock zc->zc_nvlist_dst_size, nvlp, 0) != 0) 708e9dbad6fSeschrock return (no_memory(hdl)); 709e9dbad6fSeschrock 710e9dbad6fSeschrock return (0); 711e9dbad6fSeschrock } 712b1b8ab34Slling 713b1b8ab34Slling static void 714b1b8ab34Slling zfs_print_prop_headers(libzfs_get_cbdata_t *cbp) 715b1b8ab34Slling { 716b1b8ab34Slling zfs_proplist_t *pl = cbp->cb_proplist; 717b1b8ab34Slling int i; 718b1b8ab34Slling char *title; 719b1b8ab34Slling size_t len; 720b1b8ab34Slling 721b1b8ab34Slling cbp->cb_first = B_FALSE; 722b1b8ab34Slling if (cbp->cb_scripted) 723b1b8ab34Slling return; 724b1b8ab34Slling 725b1b8ab34Slling /* 726b1b8ab34Slling * Start with the length of the column headers. 727b1b8ab34Slling */ 728b1b8ab34Slling cbp->cb_colwidths[GET_COL_NAME] = strlen(dgettext(TEXT_DOMAIN, "NAME")); 729b1b8ab34Slling cbp->cb_colwidths[GET_COL_PROPERTY] = strlen(dgettext(TEXT_DOMAIN, 730b1b8ab34Slling "PROPERTY")); 731b1b8ab34Slling cbp->cb_colwidths[GET_COL_VALUE] = strlen(dgettext(TEXT_DOMAIN, 732b1b8ab34Slling "VALUE")); 733b1b8ab34Slling cbp->cb_colwidths[GET_COL_SOURCE] = strlen(dgettext(TEXT_DOMAIN, 734b1b8ab34Slling "SOURCE")); 735b1b8ab34Slling 736b1b8ab34Slling /* 737b1b8ab34Slling * Go through and calculate the widths for each column. For the 738b1b8ab34Slling * 'source' column, we kludge it up by taking the worst-case scenario of 739b1b8ab34Slling * inheriting from the longest name. This is acceptable because in the 740b1b8ab34Slling * majority of cases 'SOURCE' is the last column displayed, and we don't 741b1b8ab34Slling * use the width anyway. Note that the 'VALUE' column can be oversized, 742b1b8ab34Slling * if the name of the property is much longer the any values we find. 743b1b8ab34Slling */ 744b1b8ab34Slling for (pl = cbp->cb_proplist; pl != NULL; pl = pl->pl_next) { 745b1b8ab34Slling /* 746b1b8ab34Slling * 'PROPERTY' column 747b1b8ab34Slling */ 748b1b8ab34Slling if (pl->pl_prop != ZFS_PROP_INVAL) { 749b1b8ab34Slling len = strlen(zfs_prop_to_name(pl->pl_prop)); 750b1b8ab34Slling if (len > cbp->cb_colwidths[GET_COL_PROPERTY]) 751b1b8ab34Slling cbp->cb_colwidths[GET_COL_PROPERTY] = len; 752b1b8ab34Slling } else { 753b1b8ab34Slling len = strlen(pl->pl_user_prop); 754b1b8ab34Slling if (len > cbp->cb_colwidths[GET_COL_PROPERTY]) 755b1b8ab34Slling cbp->cb_colwidths[GET_COL_PROPERTY] = len; 756b1b8ab34Slling } 757b1b8ab34Slling 758b1b8ab34Slling /* 759b1b8ab34Slling * 'VALUE' column 760b1b8ab34Slling */ 761b1b8ab34Slling if ((pl->pl_prop != ZFS_PROP_NAME || !pl->pl_all) && 762b1b8ab34Slling pl->pl_width > cbp->cb_colwidths[GET_COL_VALUE]) 763b1b8ab34Slling cbp->cb_colwidths[GET_COL_VALUE] = pl->pl_width; 764b1b8ab34Slling 765b1b8ab34Slling /* 766b1b8ab34Slling * 'NAME' and 'SOURCE' columns 767b1b8ab34Slling */ 768b1b8ab34Slling if (pl->pl_prop == ZFS_PROP_NAME && 769b1b8ab34Slling pl->pl_width > cbp->cb_colwidths[GET_COL_NAME]) { 770b1b8ab34Slling cbp->cb_colwidths[GET_COL_NAME] = pl->pl_width; 771b1b8ab34Slling cbp->cb_colwidths[GET_COL_SOURCE] = pl->pl_width + 772b1b8ab34Slling strlen(dgettext(TEXT_DOMAIN, "inherited from")); 773b1b8ab34Slling } 774b1b8ab34Slling } 775b1b8ab34Slling 776b1b8ab34Slling /* 777b1b8ab34Slling * Now go through and print the headers. 778b1b8ab34Slling */ 779b1b8ab34Slling for (i = 0; i < 4; i++) { 780b1b8ab34Slling switch (cbp->cb_columns[i]) { 781b1b8ab34Slling case GET_COL_NAME: 782b1b8ab34Slling title = dgettext(TEXT_DOMAIN, "NAME"); 783b1b8ab34Slling break; 784b1b8ab34Slling case GET_COL_PROPERTY: 785b1b8ab34Slling title = dgettext(TEXT_DOMAIN, "PROPERTY"); 786b1b8ab34Slling break; 787b1b8ab34Slling case GET_COL_VALUE: 788b1b8ab34Slling title = dgettext(TEXT_DOMAIN, "VALUE"); 789b1b8ab34Slling break; 790b1b8ab34Slling case GET_COL_SOURCE: 791b1b8ab34Slling title = dgettext(TEXT_DOMAIN, "SOURCE"); 792b1b8ab34Slling break; 793b1b8ab34Slling default: 794b1b8ab34Slling title = NULL; 795b1b8ab34Slling } 796b1b8ab34Slling 797b1b8ab34Slling if (title != NULL) { 798b1b8ab34Slling if (i == 3 || cbp->cb_columns[i + 1] == 0) 799b1b8ab34Slling (void) printf("%s", title); 800b1b8ab34Slling else 801b1b8ab34Slling (void) printf("%-*s ", 802b1b8ab34Slling cbp->cb_colwidths[cbp->cb_columns[i]], 803b1b8ab34Slling title); 804b1b8ab34Slling } 805b1b8ab34Slling } 806b1b8ab34Slling (void) printf("\n"); 807b1b8ab34Slling } 808b1b8ab34Slling 809b1b8ab34Slling /* 810b1b8ab34Slling * Display a single line of output, according to the settings in the callback 811b1b8ab34Slling * structure. 812b1b8ab34Slling */ 813b1b8ab34Slling void 814b1b8ab34Slling libzfs_print_one_property(const char *name, libzfs_get_cbdata_t *cbp, 815b1b8ab34Slling const char *propname, const char *value, zfs_source_t sourcetype, 816b1b8ab34Slling const char *source) 817b1b8ab34Slling { 818b1b8ab34Slling int i; 819b1b8ab34Slling const char *str; 820b1b8ab34Slling char buf[128]; 821b1b8ab34Slling 822b1b8ab34Slling /* 823b1b8ab34Slling * Ignore those source types that the user has chosen to ignore. 824b1b8ab34Slling */ 825b1b8ab34Slling if ((sourcetype & cbp->cb_sources) == 0) 826b1b8ab34Slling return; 827b1b8ab34Slling 828b1b8ab34Slling if (cbp->cb_first) 829b1b8ab34Slling zfs_print_prop_headers(cbp); 830b1b8ab34Slling 831b1b8ab34Slling for (i = 0; i < 4; i++) { 832b1b8ab34Slling switch (cbp->cb_columns[i]) { 833b1b8ab34Slling case GET_COL_NAME: 834b1b8ab34Slling str = name; 835b1b8ab34Slling break; 836b1b8ab34Slling 837b1b8ab34Slling case GET_COL_PROPERTY: 838b1b8ab34Slling str = propname; 839b1b8ab34Slling break; 840b1b8ab34Slling 841b1b8ab34Slling case GET_COL_VALUE: 842b1b8ab34Slling str = value; 843b1b8ab34Slling break; 844b1b8ab34Slling 845b1b8ab34Slling case GET_COL_SOURCE: 846b1b8ab34Slling switch (sourcetype) { 847b1b8ab34Slling case ZFS_SRC_NONE: 848b1b8ab34Slling str = "-"; 849b1b8ab34Slling break; 850b1b8ab34Slling 851b1b8ab34Slling case ZFS_SRC_DEFAULT: 852b1b8ab34Slling str = "default"; 853b1b8ab34Slling break; 854b1b8ab34Slling 855b1b8ab34Slling case ZFS_SRC_LOCAL: 856b1b8ab34Slling str = "local"; 857b1b8ab34Slling break; 858b1b8ab34Slling 859b1b8ab34Slling case ZFS_SRC_TEMPORARY: 860b1b8ab34Slling str = "temporary"; 861b1b8ab34Slling break; 862b1b8ab34Slling 863b1b8ab34Slling case ZFS_SRC_INHERITED: 864b1b8ab34Slling (void) snprintf(buf, sizeof (buf), 865b1b8ab34Slling "inherited from %s", source); 866b1b8ab34Slling str = buf; 867b1b8ab34Slling break; 868b1b8ab34Slling } 869b1b8ab34Slling break; 870b1b8ab34Slling 871b1b8ab34Slling default: 872b1b8ab34Slling continue; 873b1b8ab34Slling } 874b1b8ab34Slling 875b1b8ab34Slling if (cbp->cb_columns[i + 1] == 0) 876b1b8ab34Slling (void) printf("%s", str); 877b1b8ab34Slling else if (cbp->cb_scripted) 878b1b8ab34Slling (void) printf("%s\t", str); 879b1b8ab34Slling else 880b1b8ab34Slling (void) printf("%-*s ", 881b1b8ab34Slling cbp->cb_colwidths[cbp->cb_columns[i]], 882b1b8ab34Slling str); 883b1b8ab34Slling 884b1b8ab34Slling } 885b1b8ab34Slling 886b1b8ab34Slling (void) printf("\n"); 887b1b8ab34Slling } 888*ecd6cf80Smarks 889*ecd6cf80Smarks int 890*ecd6cf80Smarks zfs_ioctl(libzfs_handle_t *hdl, int request, zfs_cmd_t *zc) 891*ecd6cf80Smarks { 892*ecd6cf80Smarks int error; 893*ecd6cf80Smarks 894*ecd6cf80Smarks zc->zc_history = (uint64_t)(uintptr_t)hdl->libzfs_log_str; 895*ecd6cf80Smarks zc->zc_history_offset = hdl->libzfs_log_type; 896*ecd6cf80Smarks error = ioctl(hdl->libzfs_fd, request, zc); 897*ecd6cf80Smarks if (hdl->libzfs_log_str) { 898*ecd6cf80Smarks free(hdl->libzfs_log_str); 899*ecd6cf80Smarks hdl->libzfs_log_str = NULL; 900*ecd6cf80Smarks } 901*ecd6cf80Smarks zc->zc_history = 0; 902*ecd6cf80Smarks zc->zc_history_offset = 0; 903*ecd6cf80Smarks 904*ecd6cf80Smarks return (error); 905*ecd6cf80Smarks } 906