xref: /freebsd/sys/contrib/openzfs/tests/zfs-tests/cmd/send_doall.c (revision 094517119c62c23369d545a7475ae982d86330a3)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Portions Copyright 2020 iXsystems, Inc.
24  */
25 
26 /*
27  * Test a corner case : a "doall" send without children datasets.
28  */
29 
30 #include <libzfs.h>
31 #include <libzfs_core.h>
32 
33 #include <fcntl.h>
34 #include <stdlib.h>
35 #include <string.h>
36 #include <unistd.h>
37 #include <sysexits.h>
38 #include <err.h>
39 
40 static void
41 usage(const char *name)
42 {
43 	fprintf(stderr, "usage: %s snap\n", name);
44 	exit(EX_USAGE);
45 }
46 
47 int
48 main(int argc, char const * const argv[])
49 {
50 	sendflags_t flags = { 0 };
51 	libzfs_handle_t *zhdl;
52 	zfs_handle_t *zhp;
53 	const char *tofull, *fsname, *tosnap, *p;
54 	int error;
55 
56 	if (argc != 2)
57 		usage(argv[0]);
58 
59 	tofull = argv[1];
60 
61 	p = strchr(tofull, '@');
62 	if (p == NULL)
63 		usage(argv[0]);
64 	tosnap = p + 1;
65 
66 	fsname = strndup(tofull, p - tofull);
67 
68 	zhdl = libzfs_init();
69 	if (zhdl == NULL)
70 		errx(EX_OSERR, "libzfs_init(): %s", libzfs_error_init(errno));
71 
72 	zhp = zfs_open(zhdl, fsname, ZFS_TYPE_FILESYSTEM);
73 	if (zhp == NULL)
74 		err(EX_OSERR, "zfs_open(\"%s\")", fsname);
75 
76 	flags.doall = B_TRUE;
77 
78 	error = zfs_send(zhp, NULL, tosnap, &flags,
79 	    STDOUT_FILENO, NULL, NULL, NULL);
80 
81 	zfs_close(zhp);
82 
83 	libzfs_fini(zhdl);
84 	free((void *)fsname);
85 
86 	return (error);
87 }
88