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-rw-r--r--sbin/mount/Makefile4
-rw-r--r--sbin/mount/getmntopts.332
-rw-r--r--sbin/mount/getmntopts.c26
-rw-r--r--sbin/mount/mntopts.h38
-rw-r--r--sbin/mount/mount.815
-rw-r--r--sbin/mount/mount.c176
-rw-r--r--sbin/mount/mount_ufs.c9
-rw-r--r--sbin/mount/vfslist.c92
8 files changed, 255 insertions, 137 deletions
diff --git a/sbin/mount/Makefile b/sbin/mount/Makefile
index b3efd4e..56aea1c 100644
--- a/sbin/mount/Makefile
+++ b/sbin/mount/Makefile
@@ -1,7 +1,7 @@
-# @(#)Makefile 8.5 (Berkeley) 3/27/94
+# @(#)Makefile 8.6 (Berkeley) 5/8/95
PROG= mount
-SRCS= mount.c mount_ufs.c getmntopts.c
+SRCS= mount.c mount_ufs.c getmntopts.c vfslist.c
MAN8= mount.0
# We do NOT install the getmntopts.3 man page.
diff --git a/sbin/mount/getmntopts.3 b/sbin/mount/getmntopts.3
index 642c57a..8424104 100644
--- a/sbin/mount/getmntopts.3
+++ b/sbin/mount/getmntopts.3
@@ -29,9 +29,9 @@
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
-.\" @(#)getmntopts.3 8.1 (Berkeley) 3/27/94
+.\" @(#)getmntopts.3 8.3 (Berkeley) 3/30/95
.\"
-.Dd March 27, 1994
+.Dd March 30, 1995
.Dt GETMNTOPTS 3
.Os BSD 4.4
.Sh NAME
@@ -40,7 +40,7 @@
.Sh SYNOPSIS
.Fd #include <mntopts.h>
.Ft void
-.Fn getmntopts "char *options" "struct mntopt *mopts" "int *flagp"
+.Fn getmntopts "char *options" "struct mntopt *mopts" "int *flagp" "int *altflagp"
.Sh DESCRIPTION
The
.Nm getmntopts
@@ -54,10 +54,15 @@ is broken down into a sequence of comma separated tokens.
Each token is looked up in the table described by
.Dv mopts
and the bits in
-the word referenced by
+the word referenced by either
.Dv flagp
+or
+.Dv altflagp
+(depending on the
+.Dv m_altloc
+field of the option's table entry)
are updated.
-The flag word is not initialized by
+The flag words are not initialized by
.Nm getmntopt .
The table,
.Dv mopts ,
@@ -67,6 +72,7 @@ struct mntopt {
char *m_option; /* option name */
int m_inverse; /* is this a negative option, eg "dev" */
int m_flag; /* bit to set, eg MNT_RDONLY */
+ int m_altloc; /* non-zero to use altflagp rather than flagp */
};
.Ed
.Pp
@@ -100,6 +106,11 @@ by the letters
The
.Dv m_inverse
flag causes these two operations to be reversed.
+.It Fa m_altloc
+the bit should be set or cleared in
+.Dv altflagp
+rather than
+.Dv flagp .
.El
.Pp
Each of the user visible
@@ -143,16 +154,21 @@ struct mntopt mopts[] = {
};
...
- mntflags = 0;
+ mntflags = mntaltflags = 0;
...
- getmntopts(options, mopts, &mntflags)
+ getmntopts(options, mopts, &mntflags, &mntaltflags);
...
.Ed
.Sh DIAGNOSTICS
-The
+If the external integer variable
+.Dv getmnt_silent
+is non-zero then the
.Nm getmntopts
function displays an error message and exits if an
unrecognized option is encountered.
+By default
+.Dv getmnt_silent
+is zero.
.Sh SEE ALSO
.Xr err 3 ,
.Xr mount 8
diff --git a/sbin/mount/getmntopts.c b/sbin/mount/getmntopts.c
index 2c84ae5..8f972ca 100644
--- a/sbin/mount/getmntopts.c
+++ b/sbin/mount/getmntopts.c
@@ -32,7 +32,7 @@
*/
#ifndef lint
-static char sccsid[] = "@(#)getmntopts.c 8.1 (Berkeley) 3/27/94";
+static char sccsid[] = "@(#)getmntopts.c 8.3 (Berkeley) 3/29/95";
#endif /* not lint */
#include <sys/param.h>
@@ -46,15 +46,19 @@ static char sccsid[] = "@(#)getmntopts.c 8.1 (Berkeley) 3/27/94";
#include "mntopts.h"
+int getmnt_silent = 0;
+
void
-getmntopts(options, m0, flagp)
+getmntopts(options, m0, flagp, altflagp)
const char *options;
const struct mntopt *m0;
int *flagp;
+ int *altflagp;
{
const struct mntopt *m;
int negative;
- char *opt, *optbuf;
+ char *opt, *optbuf, *p;
+ int *thisflagp;
/* Copy option string, since it is about to be torn asunder... */
if ((optbuf = strdup(options)) == NULL)
@@ -68,6 +72,14 @@ getmntopts(options, m0, flagp)
} else
negative = 0;
+ /*
+ * for options with assignments in them (ie. quotas)
+ * ignore the assignment as it's handled elsewhere
+ */
+ p = strchr(opt, '=');
+ if (p)
+ *p = '\0';
+
/* Scan option table. */
for (m = m0; m->m_option != NULL; ++m)
if (strcasecmp(opt, m->m_option) == 0)
@@ -75,12 +87,14 @@ getmntopts(options, m0, flagp)
/* Save flag, or fail if option is not recognised. */
if (m->m_option) {
+ thisflagp = m->m_altloc ? altflagp : flagp;
if (negative == m->m_inverse)
- *flagp |= m->m_flag;
+ *thisflagp |= m->m_flag;
else
- *flagp &= ~m->m_flag;
- } else
+ *thisflagp &= ~m->m_flag;
+ } else if (!getmnt_silent) {
errx(1, "-o %s: option not supported", opt);
+ }
}
free(optbuf);
diff --git a/sbin/mount/mntopts.h b/sbin/mount/mntopts.h
index a89f63d..621b0e9 100644
--- a/sbin/mount/mntopts.h
+++ b/sbin/mount/mntopts.h
@@ -30,38 +30,45 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
- * @(#)mntopts.h 8.3 (Berkeley) 3/27/94
+ * @(#)mntopts.h 8.7 (Berkeley) 3/29/95
*/
struct mntopt {
const char *m_option; /* option name */
int m_inverse; /* if a negative option, eg "dev" */
int m_flag; /* bit to set, eg. MNT_RDONLY */
+ int m_altloc; /* 1 => set bit in altflags */
};
/* User-visible MNT_ flags. */
-#define MOPT_ASYNC { "async", 0, MNT_ASYNC }
-#define MOPT_NODEV { "dev", 1, MNT_NODEV }
-#define MOPT_NOEXEC { "exec", 1, MNT_NOEXEC }
-#define MOPT_NOSUID { "suid", 1, MNT_NOSUID }
-#define MOPT_RDONLY { "rdonly", 0, MNT_RDONLY }
-#define MOPT_SYNC { "sync", 0, MNT_SYNCHRONOUS }
-#define MOPT_UNION { "union", 0, MNT_UNION }
+#define MOPT_ASYNC { "async", 0, MNT_ASYNC, 0 }
+#define MOPT_NODEV { "dev", 1, MNT_NODEV, 0 }
+#define MOPT_NOEXEC { "exec", 1, MNT_NOEXEC, 0 }
+#define MOPT_NOSUID { "suid", 1, MNT_NOSUID, 0 }
+#define MOPT_RDONLY { "rdonly", 0, MNT_RDONLY, 0 }
+#define MOPT_SYNC { "sync", 0, MNT_SYNCHRONOUS, 0 }
+#define MOPT_UNION { "union", 0, MNT_UNION, 0 }
+#define MOPT_USERQUOTA { "userquota", 0, 0, 0 }
+#define MOPT_GROUPQUOTA { "groupquota", 0, 0, 0 }
/* Control flags. */
-#define MOPT_FORCE { "force", 1, MNT_FORCE }
-#define MOPT_UPDATE { "update", 0, MNT_UPDATE }
+#define MOPT_FORCE { "force", 0, MNT_FORCE, 0 }
+#define MOPT_UPDATE { "update", 0, MNT_UPDATE, 0 }
+#define MOPT_RO { "ro", 0, MNT_RDONLY, 0 }
+#define MOPT_RW { "rw", 1, MNT_RDONLY, 0 }
-/* Support for old-style "ro", "rw" flags. */
-#define MOPT_RO { "ro", 0, MNT_RDONLY }
-#define MOPT_RW { "rw", 1, MNT_RDONLY }
+/* This is parsed by mount(8), but is ignored by specific mount_*(8)s. */
+#define MOPT_AUTO { "auto", 0, 0, 0 }
#define MOPT_FSTAB_COMPAT \
MOPT_RO, \
- MOPT_RW
+ MOPT_RW, \
+ MOPT_AUTO
/* Standard options which all mounts can understand. */
#define MOPT_STDOPTS \
+ MOPT_USERQUOTA, \
+ MOPT_GROUPQUOTA, \
MOPT_FSTAB_COMPAT, \
MOPT_NODEV, \
MOPT_NOEXEC, \
@@ -69,4 +76,5 @@ struct mntopt {
MOPT_RDONLY, \
MOPT_UNION
-void getmntopts __P((const char *, const struct mntopt *, int *));
+void getmntopts __P((const char *, const struct mntopt *, int *, int *));
+extern int getmnt_silent;
diff --git a/sbin/mount/mount.8 b/sbin/mount/mount.8
index e2c53c8..5767c2f 100644
--- a/sbin/mount/mount.8
+++ b/sbin/mount/mount.8
@@ -29,9 +29,9 @@
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
-.\" @(#)mount.8 8.7 (Berkeley) 3/27/94
+.\" @(#)mount.8 8.8 (Berkeley) 6/16/94
.\"
-.Dd March 27, 1994
+.Dd June 16, 1994
.Dt MOUNT 8
.Os BSD 4
.Sh NAME
@@ -74,6 +74,13 @@ this list is printed.
.Pp
The options are as follows:
.Bl -tag -width indent
+.It Fl a
+All the filesystems described in
+.Xr fstab 5
+are mounted.
+Exceptions are those marked as ``noauto'' or are excluded by the
+.Fl t
+flag (see below).
.It Fl d
Causes everything to be done except for the actual system call.
This option is useful in conjunction with the
@@ -105,6 +112,10 @@ The same as
.Fl f ;
forces the revocation of write access when trying to downgrade
a filesystem mount status from read-write to read-only.
+.It noauto
+This filesystem should be skipped when mount is run with the
+.Fl a
+flag.
.It nodev
Do not interpret character or block special devices on the file system.
This option is useful for a server that has file systems containing
diff --git a/sbin/mount/mount.c b/sbin/mount/mount.c
index f0ff782..7d6252b 100644
--- a/sbin/mount/mount.c
+++ b/sbin/mount/mount.c
@@ -38,7 +38,7 @@ static char copyright[] =
#endif /* not lint */
#ifndef lint
-static char sccsid[] = "@(#)mount.c 8.19 (Berkeley) 4/19/94";
+static char sccsid[] = "@(#)mount.c 8.25 (Berkeley) 5/8/95";
#endif /* not lint */
#include <sys/param.h>
@@ -48,6 +48,7 @@ static char sccsid[] = "@(#)mount.c 8.19 (Berkeley) 4/19/94";
#include <err.h>
#include <errno.h>
#include <fstab.h>
+#include <pwd.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
@@ -56,19 +57,19 @@ static char sccsid[] = "@(#)mount.c 8.19 (Berkeley) 4/19/94";
#include "pathnames.h"
-int debug, verbose, skipvfs;
+int debug, verbose;
-int badvfsname __P((const char *, const char **));
-int badvfstype __P((int, const char **));
+int checkvfsname __P((const char *, const char **));
char *catopt __P((char *, const char *));
struct statfs
*getmntpt __P((const char *));
+int hasopt __P((const char *, const char *));
const char
**makevfslist __P((char *));
void mangle __P((char *, int *, const char **));
int mountfs __P((const char *, const char *, const char *,
int, const char *, const char *));
-void prmount __P((const char *, const char *, int));
+void prmount __P((struct statfs *));
void usage __P((void));
/* From mount_ufs.c. */
@@ -89,7 +90,6 @@ static struct opt {
{ MNT_RDONLY, "read-only" },
{ MNT_SYNCHRONOUS, "synchronous" },
{ MNT_UNION, "union" },
- { MNT_USER, "user mount" },
{ NULL }
};
@@ -98,7 +98,7 @@ main(argc, argv)
int argc;
char * const argv[];
{
- const char *mntonname, **vfslist, *vfstype;
+ const char *mntfromname, **vfslist, *vfstype;
struct fstab *fs;
struct statfs *mntbuf;
FILE *mountdfp;
@@ -162,7 +162,9 @@ main(argc, argv)
while ((fs = getfsent()) != NULL) {
if (BADTYPE(fs->fs_type))
continue;
- if (badvfsname(fs->fs_vfstype, vfslist))
+ if (checkvfsname(fs->fs_vfstype, vfslist))
+ continue;
+ if (hasopt(fs->fs_mntops, "noauto"))
continue;
if (mountfs(fs->fs_vfstype, fs->fs_spec,
fs->fs_file, init_flags, options,
@@ -173,10 +175,9 @@ main(argc, argv)
if ((mntsize = getmntinfo(&mntbuf, MNT_NOWAIT)) == 0)
err(1, "getmntinfo");
for (i = 0; i < mntsize; i++) {
- if (badvfstype(mntbuf[i].f_type, vfslist))
+ if (checkvfsname(mntbuf[i].f_fstypename, vfslist))
continue;
- prmount(mntbuf[i].f_mntfromname,
- mntbuf[i].f_mntonname, mntbuf[i].f_flags);
+ prmount(&mntbuf[i]);
}
}
exit(rval);
@@ -189,25 +190,23 @@ main(argc, argv)
errx(1,
"unknown special file or file system %s.",
*argv);
- if ((fs = getfsfile(mntbuf->f_mntonname)) == NULL)
- errx(1, "can't find fstab entry for %s.",
- *argv);
- /* If it's an update, ignore the fstab file options. */
- fs->fs_mntops = NULL;
- mntonname = mntbuf->f_mntonname;
- } else {
- if ((fs = getfsfile(*argv)) == NULL &&
- (fs = getfsspec(*argv)) == NULL)
- errx(1,
- "%s: unknown special file or file system.",
- *argv);
- if (BADTYPE(fs->fs_type))
- errx(1, "%s has unknown file system type.",
- *argv);
- mntonname = fs->fs_file;
+ if ((fs = getfsfile(mntbuf->f_mntonname)) != NULL)
+ mntfromname = fs->fs_spec;
+ else
+ mntfromname = mntbuf->f_mntfromname;
+ rval = mountfs(mntbuf->f_fstypename, mntfromname,
+ mntbuf->f_mntonname, init_flags, options, 0);
+ break;
}
- rval = mountfs(fs->fs_vfstype, fs->fs_spec,
- mntonname, init_flags, options, fs->fs_mntops);
+ if ((fs = getfsfile(*argv)) == NULL &&
+ (fs = getfsspec(*argv)) == NULL)
+ errx(1, "%s: unknown special file or file system.",
+ *argv);
+ if (BADTYPE(fs->fs_type))
+ errx(1, "%s has unknown file system type.",
+ *argv);
+ rval = mountfs(fs->fs_vfstype, fs->fs_spec, fs->fs_file,
+ init_flags, options, fs->fs_mntops);
break;
case 2:
/*
@@ -241,6 +240,31 @@ main(argc, argv)
}
int
+hasopt(mntopts, option)
+ const char *mntopts, *option;
+{
+ int negative, found;
+ char *opt, *optbuf;
+
+ if (option[0] == 'n' && option[1] == 'o') {
+ negative = 1;
+ option += 2;
+ } else
+ negative = 0;
+ optbuf = strdup(mntopts);
+ found = 0;
+ for (opt = optbuf; (opt = strtok(opt, ",")) != NULL; opt = NULL) {
+ if (opt[0] == 'n' && opt[1] == 'o') {
+ if (!strcasecmp(opt + 2, option))
+ found = negative;
+ } else if (!strcasecmp(opt, option))
+ found = !negative;
+ }
+ free(optbuf);
+ return (found);
+}
+
+int
mountfs(vfstype, spec, name, flags, options, mntopts)
const char *vfstype, *spec, *name, *options, *mntopts;
int flags;
@@ -258,18 +282,21 @@ mountfs(vfstype, spec, name, flags, options, mntopts)
char *optbuf, execname[MAXPATHLEN + 1], mntpath[MAXPATHLEN];
if (realpath(name, mntpath) == NULL) {
- warn("%s", mntpath);
+ warn("realpath %s", mntpath);
return (1);
}
name = mntpath;
+ if (mntopts == NULL)
+ mntopts = "";
if (options == NULL) {
- if (mntopts == NULL || *mntopts == '\0')
+ if (*mntopts == '\0') {
options = "rw";
- else
+ } else {
options = mntopts;
- mntopts = "";
+ mntopts = "";
+ }
}
optbuf = catopt(strdup(mntopts), options);
@@ -344,10 +371,10 @@ mountfs(vfstype, spec, name, flags, options, mntopts)
if (verbose) {
if (statfs(name, &sf) < 0) {
- warn("%s", name);
+ warn("statfs %s", name);
return (1);
}
- prmount(sf.f_mntfromname, sf.f_mntonname, sf.f_flags);
+ prmount(&sf);
}
break;
}
@@ -356,21 +383,29 @@ mountfs(vfstype, spec, name, flags, options, mntopts)
}
void
-prmount(spec, name, flags)
- const char *spec, *name;
- int flags;
+prmount(sfp)
+ struct statfs *sfp;
{
+ int flags;
struct opt *o;
+ struct passwd *pw;
int f;
- (void)printf("%s on %s", spec, name);
+ (void)printf("%s on %s", sfp->f_mntfromname, sfp->f_mntonname);
- flags &= MNT_VISFLAGMASK;
+ flags = sfp->f_flags & MNT_VISFLAGMASK;
for (f = 0, o = optnames; flags && o->o_opt; o++)
if (flags & o->o_opt) {
(void)printf("%s%s", !f++ ? " (" : ", ", o->o_name);
flags &= ~o->o_opt;
}
+ if (sfp->f_owner) {
+ (void)printf("%smounted by ", !f++ ? " (" : ", ");
+ if ((pw = getpwuid(sfp->f_owner)) != NULL)
+ (void)printf("%s", pw->pw_name);
+ else
+ (void)printf("%d", sfp->f_owner);
+ }
(void)printf(f ? ")\n" : "\n");
}
@@ -389,67 +424,6 @@ getmntpt(name)
return (NULL);
}
-int
-badvfsname(vfsname, vfslist)
- const char *vfsname;
- const char **vfslist;
-{
-
- if (vfslist == NULL)
- return (0);
- while (*vfslist != NULL) {
- if (strcmp(vfsname, *vfslist) == 0)
- return (skipvfs);
- ++vfslist;
- }
- return (!skipvfs);
-}
-
-int
-badvfstype(vfstype, vfslist)
- int vfstype;
- const char **vfslist;
-{
-static const char *vfsnames[] = INITMOUNTNAMES;
-
- if ((vfstype < 0) || (vfstype > MOUNT_MAXTYPE))
- return (0);
-
- return (badvfsname(vfsnames[vfstype], vfslist));
-}
-
-const char **
-makevfslist(fslist)
- char *fslist;
-{
- const char **av;
- int i;
- char *nextcp;
-
- if (fslist == NULL)
- return (NULL);
- if (fslist[0] == 'n' && fslist[1] == 'o') {
- fslist += 2;
- skipvfs = 1;
- }
- for (i = 0, nextcp = fslist; *nextcp; nextcp++)
- if (*nextcp == ',')
- i++;
- if ((av = malloc((size_t)(i + 2) * sizeof(char *))) == NULL) {
- warn(NULL);
- return (NULL);
- }
- nextcp = fslist;
- i = 0;
- av[i++] = nextcp;
- while ((nextcp = strchr(nextcp, ',')) != NULL) {
- *nextcp++ = '\0';
- av[i++] = nextcp;
- }
- av[i++] = NULL;
- return (av);
-}
-
char *
catopt(s0, s1)
char *s0;
diff --git a/sbin/mount/mount_ufs.c b/sbin/mount/mount_ufs.c
index babb760..e14a26a 100644
--- a/sbin/mount/mount_ufs.c
+++ b/sbin/mount/mount_ufs.c
@@ -38,7 +38,7 @@ static char copyright[] =
#endif /* not lint */
#ifndef lint
-static char sccsid[] = "@(#)mount_ufs.c 8.2 (Berkeley) 3/27/94";
+static char sccsid[] = "@(#)mount_ufs.c 8.4 (Berkeley) 4/26/95";
#endif /* not lint */
#include <sys/param.h>
@@ -51,6 +51,8 @@ static char sccsid[] = "@(#)mount_ufs.c 8.2 (Berkeley) 3/27/94";
#include <string.h>
#include <unistd.h>
+#include <ufs/ufs/ufsmount.h>
+
#include "mntopts.h"
void ufs_usage __P((void));
@@ -60,6 +62,7 @@ static struct mntopt mopts[] = {
MOPT_ASYNC,
MOPT_SYNC,
MOPT_UPDATE,
+ MOPT_FORCE,
{ NULL }
};
@@ -78,7 +81,7 @@ mount_ufs(argc, argv)
while ((ch = getopt(argc, argv, "o:")) != EOF)
switch (ch) {
case 'o':
- getmntopts(optarg, mopts, &mntflags);
+ getmntopts(optarg, mopts, &mntflags, 0);
break;
case '?':
default:
@@ -100,7 +103,7 @@ mount_ufs(argc, argv)
else
args.export.ex_flags = 0;
- if (mount(MOUNT_UFS, fs_name, mntflags, &args) < 0) {
+ if (mount("ufs", fs_name, mntflags, &args) < 0) {
(void)fprintf(stderr, "%s on %s: ", args.fspec, fs_name);
switch (errno) {
case EMFILE:
diff --git a/sbin/mount/vfslist.c b/sbin/mount/vfslist.c
new file mode 100644
index 0000000..1a00a23
--- /dev/null
+++ b/sbin/mount/vfslist.c
@@ -0,0 +1,92 @@
+/*
+ * Copyright (c) 1995
+ * The Regents of the University of California. 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.
+ * 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 char sccsid[] = "@(#)vfslist.c 8.1 (Berkeley) 5/8/95";
+#endif /* not lint */
+
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+int checkvfsname __P((const char *, const char **));
+const char **makevfslist __P((char *));
+static int skipvfs;
+
+int
+checkvfsname(vfsname, vfslist)
+ const char *vfsname;
+ const char **vfslist;
+{
+
+ if (vfslist == NULL)
+ return (0);
+ while (*vfslist != NULL) {
+ if (strcmp(vfsname, *vfslist) == 0)
+ return (skipvfs);
+ ++vfslist;
+ }
+ return (!skipvfs);
+}
+
+const char **
+makevfslist(fslist)
+ char *fslist;
+{
+ const char **av;
+ int i;
+ char *nextcp;
+
+ if (fslist == NULL)
+ return (NULL);
+ if (fslist[0] == 'n' && fslist[1] == 'o') {
+ fslist += 2;
+ skipvfs = 1;
+ }
+ for (i = 0, nextcp = fslist; *nextcp; nextcp++)
+ if (*nextcp == ',')
+ i++;
+ if ((av = malloc((size_t)(i + 2) * sizeof(char *))) == NULL) {
+ warn(NULL);
+ return (NULL);
+ }
+ nextcp = fslist;
+ i = 0;
+ av[i++] = nextcp;
+ while ((nextcp = strchr(nextcp, ',')) != NULL) {
+ *nextcp++ = '\0';
+ av[i++] = nextcp;
+ }
+ av[i++] = NULL;
+ return (av);
+}
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