2 * Copyright (c) 2006 Pawel Jakub Dawidek <pjd@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * This file implements Solaris compatible zmount() function.
31 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD$");
34 #include <sys/param.h>
35 #include <sys/mount.h>
37 #include <sys/mntent.h>
43 build_iovec(struct iovec **iov, int *iovlen, const char *name, void *val,
51 *iov = realloc(*iov, sizeof(**iov) * (i + 2));
56 (*iov)[i].iov_base = strdup(name);
57 (*iov)[i].iov_len = strlen(name) + 1;
59 (*iov)[i].iov_base = val;
60 if (len == (size_t)-1) {
62 len = strlen(val) + 1;
66 (*iov)[i].iov_len = (int)len;
71 zmount(const char *spec, const char *dir, int mflag, char *fstype,
72 char *dataptr, int datalen, char *optptr, int optlen)
75 char *optstr, *os, *p;
81 assert(fstype != NULL);
82 assert(strcmp(fstype, MNTTYPE_ZFS) == 0);
83 assert(dataptr == NULL);
85 assert(optptr != NULL);
88 optstr = strdup(optptr);
89 assert(optptr != NULL);
93 build_iovec(&iov, &iovlen, "fstype", fstype, (size_t)-1);
94 build_iovec(&iov, &iovlen, "fspath", __DECONST(char *, dir),
96 build_iovec(&iov, &iovlen, "from", __DECONST(char *, spec), (size_t)-1);
97 for (p = optstr; p != NULL; strsep(&p, ",/ "))
98 build_iovec(&iov, &iovlen, p, NULL, (size_t)-1);
99 rv = nmount(iov, iovlen, 0);