/* $NetBSD: mtab.c,v 1.1.1.5 1999/02/01 18:45:44 christos Exp $ */ /* * Copyright (c) 1997-1999 Erez Zadok * Copyright (c) 1989 Jan-Simon Pendry * Copyright (c) 1989 Imperial College of Science, Technology & Medicine * Copyright (c) 1989 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 acknowledgment: * 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. * * %W% (Berkeley) %G% * * Id: mtab.c,v 1.2 1999/01/10 21:54:37 ezk Exp * */ #ifdef HAVE_CONFIG_H # include #endif /* HAVE_CONFIG_H */ #include #include /* * Firewall /etc/mtab entries */ void mnt_free(mntent_t *mp) { XFREE(mp->mnt_fsname); XFREE(mp->mnt_dir); XFREE(mp->mnt_type); XFREE(mp->mnt_opts); #ifdef HAVE_FIELD_MNTENT_T_MNT_TIME # ifdef HAVE_FIELD_MNTENT_T_MNT_TIME_STRING XFREE(mp->mnt_time); # endif /* HAVE_FIELD_MNTENT_T_MNT_TIME_STRING */ #endif /* HAVE_FIELD_MNTENT_T_MNT_TIME */ XFREE(mp); } /* * Discard memory allocated for mount list */ void discard_mntlist(mntlist *mp) { mntlist *mp2; while ((mp2 = mp)) { mp = mp->mnext; if (mp2->mnt) mnt_free(mp2->mnt); XFREE(mp2); } } /* * Throw away a mount list */ void free_mntlist(mntlist *mp) { discard_mntlist(mp); #ifdef MOUNT_TABLE_ON_FILE unlock_mntlist(); #endif /* MOUNT_TABLE_ON_FILE */ } /* * 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(mntent_t *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; }