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Annotation of embedaddon/libpdel/sys/fs_mount.c, revision 1.1.1.1

1.1       misho       1: 
                      2: /*
                      3:  * Copyright (c) 2001-2002 Packet Design, LLC.
                      4:  * All rights reserved.
                      5:  * 
                      6:  * Subject to the following obligations and disclaimer of warranty,
                      7:  * use and redistribution of this software, in source or object code
                      8:  * forms, with or without modifications are expressly permitted by
                      9:  * Packet Design; provided, however, that:
                     10:  * 
                     11:  *    (i)  Any and all reproductions of the source or object code
                     12:  *         must include the copyright notice above and the following
                     13:  *         disclaimer of warranties; and
                     14:  *    (ii) No rights are granted, in any manner or form, to use
                     15:  *         Packet Design trademarks, including the mark "PACKET DESIGN"
                     16:  *         on advertising, endorsements, or otherwise except as such
                     17:  *         appears in the above copyright notice or in the software.
                     18:  * 
                     19:  * THIS SOFTWARE IS BEING PROVIDED BY PACKET DESIGN "AS IS", AND
                     20:  * TO THE MAXIMUM EXTENT PERMITTED BY LAW, PACKET DESIGN MAKES NO
                     21:  * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING
                     22:  * THIS SOFTWARE, INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED
                     23:  * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE,
                     24:  * OR NON-INFRINGEMENT.  PACKET DESIGN DOES NOT WARRANT, GUARANTEE,
                     25:  * OR MAKE ANY REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS
                     26:  * OF THE USE OF THIS SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY,
                     27:  * RELIABILITY OR OTHERWISE.  IN NO EVENT SHALL PACKET DESIGN BE
                     28:  * LIABLE FOR ANY DAMAGES RESULTING FROM OR ARISING OUT OF ANY USE
                     29:  * OF THIS SOFTWARE, INCLUDING WITHOUT LIMITATION, ANY DIRECT,
                     30:  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, PUNITIVE, OR CONSEQUENTIAL
                     31:  * DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, LOSS OF
                     32:  * USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY THEORY OF
                     33:  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
                     34:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
                     35:  * THE USE OF THIS SOFTWARE, EVEN IF PACKET DESIGN IS ADVISED OF
                     36:  * THE POSSIBILITY OF SUCH DAMAGE.
                     37:  *
                     38:  * Author: Archie Cobbs <archie@freebsd.org>
                     39:  */
                     40: 
                     41: #include <sys/types.h>
                     42: #include <sys/param.h>
                     43: #include <sys/mount.h>
                     44: 
                     45: #include <ufs/ufs/ufsmount.h>
                     46: 
                     47: #include <stdio.h>
                     48: #include <stddef.h>
                     49: #include <string.h>
                     50: #include <syslog.h>
                     51: #include <errno.h>
                     52: #include <fstab.h>
                     53: 
                     54: #include <openssl/ssl.h>
                     55: 
                     56: #include "sys/fs_mount.h"
                     57: 
                     58: /*
                     59:  * Mount a filesystem.
                     60:  */
                     61: int
                     62: fs_mount(const char *where, int flags)
                     63: {
                     64:        struct fstab *fstab;
                     65:        struct ufs_args ufs_args;
                     66:        void *mnt_args;
                     67:        int errno_save;
                     68:        int rtn = -1;
                     69: 
                     70:        /* Get /etc/fstab entry for mount point */
                     71:        fstab = getfsfile(where);
                     72: 
                     73:        /* Check for error */
                     74:        if ((fstab = getfsfile(where)) == NULL) {
                     75:                errno = ENOENT;
                     76:                goto done;
                     77:        }
                     78: 
                     79:        /* Set up args */
                     80:        memset(&ufs_args, 0, sizeof(ufs_args));
                     81:        ufs_args.fspec = fstab->fs_spec;
                     82:        mnt_args = &ufs_args;
                     83: 
                     84:        /* Try to mount */
                     85:        if (mount(fstab->fs_vfstype, where, flags, mnt_args) == 0)
                     86:                rtn = 0;
                     87: 
                     88: done:
                     89:        /* Clean up */
                     90:        errno_save = errno;
                     91:        endfsent();
                     92:        errno = errno_save;
                     93:        return (rtn);
                     94: }
                     95: 
                     96: /*
                     97:  * Unmount a filesystem.
                     98:  */
                     99: int
                    100: fs_unmount(const char *where, int flags)
                    101: {
                    102:        if (unmount(where, flags) == -1)
                    103:                return (-1);
                    104:        return (0);
                    105: }
                    106: 
                    107: