tests/zfs-tests/cmd/send_doall.c

   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 https://opensource.org/licenses/CDDL-1.0.
  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 }