diff options
author | ru <ru@FreeBSD.org> | 2001-05-23 14:58:19 +0000 |
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committer | ru <ru@FreeBSD.org> | 2001-05-23 14:58:19 +0000 |
commit | d6e286694d01e4503e4daeed19e3292fcaccd771 (patch) | |
tree | ab01e79c839ddfbf22ff2fcf59bb7af9d63e3c95 /sbin/mount_null/mount_null.c | |
parent | 196fd7759f1cf679623146c047cdcd0e200c93df (diff) | |
download | FreeBSD-src-d6e286694d01e4503e4daeed19e3292fcaccd771.zip FreeBSD-src-d6e286694d01e4503e4daeed19e3292fcaccd771.tar.gz |
Rename (after a repo-copy) some mount(8) programs:
mount_fdesc -> mount_fdescfs
mount_null -> mount_nullfs
mount_portal -> mount_portalfs
mount_umap -> mount_umapfs
mount_union -> mount_unionfs
Diffstat (limited to 'sbin/mount_null/mount_null.c')
-rw-r--r-- | sbin/mount_null/mount_null.c | 148 |
1 files changed, 0 insertions, 148 deletions
diff --git a/sbin/mount_null/mount_null.c b/sbin/mount_null/mount_null.c deleted file mode 100644 index 8e6b8f0..0000000 --- a/sbin/mount_null/mount_null.c +++ /dev/null @@ -1,148 +0,0 @@ -/* - * Copyright (c) 1992, 1993, 1994 - * The Regents of the University of California. All rights reserved. - * - * This code is derived from software donated to Berkeley by - * Jan-Simon Pendry. - * - * 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. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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. - */ - -#ifndef lint -static const char copyright[] = -"@(#) Copyright (c) 1992, 1993, 1994\n\ - The Regents of the University of California. All rights reserved.\n"; -#endif /* not lint */ - -#ifndef lint -#if 0 -static char sccsid[] = "@(#)mount_null.c 8.6 (Berkeley) 4/26/95"; -#endif -static const char rcsid[] = - "$FreeBSD$"; -#endif /* not lint */ - -#include <sys/param.h> -#include <sys/mount.h> -#include <fs/nullfs/null.h> - -#include <err.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <sysexits.h> -#include <unistd.h> - -#include "mntopts.h" - -struct mntopt mopts[] = { - MOPT_STDOPTS, - { NULL } -}; - -int subdir __P((const char *, const char *)); -static void usage __P((void)) __dead2; - -int -main(argc, argv) - int argc; - char *argv[]; -{ - struct null_args args; - int ch, mntflags; - char source[MAXPATHLEN]; - char target[MAXPATHLEN]; - struct vfsconf vfc; - int error; - - mntflags = 0; - while ((ch = getopt(argc, argv, "o:")) != -1) - switch(ch) { - case 'o': - getmntopts(optarg, mopts, &mntflags, 0); - break; - case '?': - default: - usage(); - } - argc -= optind; - argv += optind; - - if (argc != 2) - usage(); - - /* resolve target and source with realpath(3) */ - (void)checkpath(argv[0], target); - (void)checkpath(argv[1], source); - - if (subdir(target, source) || subdir(source, target)) - errx(EX_USAGE, "%s (%s) and %s are not distinct paths", - argv[0], target, argv[1]); - - args.target = target; - - error = getvfsbyname("nullfs", &vfc); - if (error && vfsisloadable("nullfs")) { - if(vfsload("nullfs")) - err(EX_OSERR, "vfsload(nullfs)"); - endvfsent(); - error = getvfsbyname("nullfs", &vfc); - } - if (error) - errx(EX_OSERR, "null/loopback filesystem is not available"); - - if (mount(vfc.vfc_name, source, mntflags, &args)) - err(1, NULL); - exit(0); -} - -int -subdir(p, dir) - const char *p; - const char *dir; -{ - int l; - - l = strlen(dir); - if (l <= 1) - return (1); - - if ((strncmp(p, dir, l) == 0) && (p[l] == '/' || p[l] == '\0')) - return (1); - - return (0); -} - -static void -usage() -{ - (void)fprintf(stderr, - "usage: mount_null [-o options] target_fs mount_point\n"); - exit(1); -} |