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