de4f06c275
Small program that converts a dataset id and an object id to a path Reviewed-by: Prakash Surya <prakash.surya@delphix.com> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: Matthew Ahrens <mahrens@delphix.com> Signed-off-by: Paul Dagnelie <pcd@delphix.com> Closes #10204
97 lines
2.4 KiB
C
97 lines
2.4 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 (c) 2019 by Delphix. All rights reserved.
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*/
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#include <libintl.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <stdint.h>
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#include <libzfs.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <errno.h>
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libzfs_handle_t *g_zfs;
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void
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usage(int err)
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{
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fprintf(stderr, "Usage: [-v] zfs_ids_to_path <pool> <objset id> "
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"<object id>\n");
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exit(err);
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}
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int
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main(int argc, char **argv)
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{
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boolean_t verbose = B_FALSE;
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char c;
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while ((c = getopt(argc, argv, "v")) != -1) {
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switch (c) {
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case 'v':
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verbose = B_TRUE;
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break;
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}
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}
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argc -= optind;
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argv += optind;
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if (argc != 3) {
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(void) fprintf(stderr, "Incorrect number of arguments: %d\n",
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argc);
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usage(1);
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}
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uint64_t objset, object;
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if (sscanf(argv[1], "%llu", (u_longlong_t *)&objset) != 1) {
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(void) fprintf(stderr, "Invalid objset id: %s\n", argv[2]);
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usage(2);
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}
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if (sscanf(argv[2], "%llu", (u_longlong_t *)&object) != 1) {
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(void) fprintf(stderr, "Invalid object id: %s\n", argv[3]);
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usage(3);
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}
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if ((g_zfs = libzfs_init()) == NULL) {
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(void) fprintf(stderr, "%s\n", libzfs_error_init(errno));
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return (4);
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}
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zpool_handle_t *pool = zpool_open(g_zfs, argv[0]);
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if (pool == NULL) {
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fprintf(stderr, "Could not open pool %s\n", argv[1]);
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libzfs_fini(g_zfs);
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return (5);
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}
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char pathname[PATH_MAX * 2];
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if (verbose) {
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zpool_obj_to_path_ds(pool, objset, object, pathname,
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sizeof (pathname));
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} else {
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zpool_obj_to_path(pool, objset, object, pathname,
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sizeof (pathname));
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}
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printf("%s\n", pathname);
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zpool_close(pool);
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libzfs_fini(g_zfs);
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return (0);
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}
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