diff options
Diffstat (limited to 'usr.sbin/amd/amd/mtab.c')
| -rw-r--r-- | usr.sbin/amd/amd/mtab.c | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/usr.sbin/amd/amd/mtab.c b/usr.sbin/amd/amd/mtab.c new file mode 100644 index 0000000..43b3a26 --- /dev/null +++ b/usr.sbin/amd/amd/mtab.c @@ -0,0 +1,108 @@ +/* + * Copyright (c) 1989 Jan-Simon Pendry + * Copyright (c) 1989 Imperial College of Science, Technology & Medicine + * Copyright (c) 1989, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Jan-Simon Pendry at Imperial College, London. + * + * 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. + * + * @(#)mtab.c 8.1 (Berkeley) 6/6/93 + * + * $Id: mtab.c,v 5.2.2.1 1992/02/09 15:08:45 jsp beta $ + * + */ + +#include "am.h" + +/* + * Firewall /etc/mtab entries + */ +void mnt_free P((struct mntent *mp)); +void mnt_free(mp) +struct mntent *mp; +{ + free(mp->mnt_fsname); + free(mp->mnt_dir); + free(mp->mnt_type); + free(mp->mnt_opts); + free((voidp) mp); +} + +/* + * Discard memory allocated for mount list + */ +void discard_mntlist P((mntlist *mp)); +void discard_mntlist(mp) +mntlist *mp; +{ + mntlist *mp2; + + while (mp2 = mp) { + mp = mp->mnext; + if (mp2->mnt) + mnt_free(mp2->mnt); + free((voidp) mp2); + } +} + +/* + * Throw away a mount list + */ +void free_mntlist P((mntlist *mp)); +void free_mntlist(mp) +mntlist *mp; +{ + discard_mntlist(mp); + unlock_mntlist(); +} + +/* + * Utility routine which determines the value of a + * numeric option in the mount options (such as port=%d). + * Returns 0 if the option is not specified. + */ +int hasmntval P((struct mntent *mnt, char *opt)); +int hasmntval(mnt, opt) +struct mntent *mnt; +char *opt; +{ + char *str = hasmntopt(mnt, opt); + if (str) { + char *eq = strchr(str, '='); + if (eq) + return atoi(eq+1); + else + plog(XLOG_USER, "bad numeric option \"%s\" in \"%s\"", opt, str); + } + + return 0; +} |
