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deviceid.c
(2.8 KB)
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fsshare.c
(6.73 KB)
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mkdirp.c
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mnttab.c
(4.79 KB)
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thread_pool.c
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thread_pool_impl.h
(2.79 KB)
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zmount.c
(3.1 KB)
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zone.c
(1.77 KB)
Editing: zmount.c
/*- * Copyright (c) 2006 Pawel Jakub Dawidek <pjd@FreeBSD.org> * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ /* * This file implements Solaris compatible zmount() function. */ #include <sys/cdefs.h> __FBSDID("$FreeBSD$"); #include <sys/param.h> #include <sys/mount.h> #include <sys/uio.h> #include <sys/mntent.h> #include <assert.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <mnttab.h> static void build_iovec(struct iovec **iov, int *iovlen, const char *name, void *val, size_t len) { int i; if (*iovlen < 0) return; i = *iovlen; *iov = realloc(*iov, sizeof(**iov) * (i + 2)); if (*iov == NULL) { *iovlen = -1; return; } (*iov)[i].iov_base = strdup(name); (*iov)[i].iov_len = strlen(name) + 1; i++; (*iov)[i].iov_base = val; if (len == (size_t)-1) { if (val != NULL) len = strlen(val) + 1; else len = 0; } (*iov)[i].iov_len = (int)len; *iovlen = ++i; } int zmount(const char *spec, const char *dir, int mflag, char *fstype, char *dataptr, int datalen, char *optptr, int optlen) { struct iovec *iov; char *optstr, *os, *p, *tofree; int iovlen, rv; assert(spec != NULL); assert(dir != NULL); assert(mflag == 0 || mflag == MS_RDONLY); assert(fstype != NULL); assert(strcmp(fstype, MNTTYPE_ZFS) == 0); assert(dataptr == NULL); assert(datalen == 0); assert(optptr != NULL); assert(optlen > 0); tofree = optstr = strdup(optptr); assert(optstr != NULL); iov = NULL; iovlen = 0; if (mflag & MS_RDONLY) build_iovec(&iov, &iovlen, "ro", NULL, 0); build_iovec(&iov, &iovlen, "fstype", fstype, (size_t)-1); build_iovec(&iov, &iovlen, "fspath", __DECONST(char *, dir), (size_t)-1); build_iovec(&iov, &iovlen, "from", __DECONST(char *, spec), (size_t)-1); while ((p = strsep(&optstr, ",/")) != NULL) build_iovec(&iov, &iovlen, p, NULL, (size_t)-1); rv = nmount(iov, iovlen, 0); free(tofree); return (rv); }
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