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Annotation of 43BSDReno/usr.sbin/amd/config/mtab_bsd.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * $Id: mtab_bsd.c,v 5.2 90/06/23 22:20:40 jsp Rel $
        !             3:  *
        !             4:  * Copyright (c) 1990 Jan-Simon Pendry
        !             5:  * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
        !             6:  * Copyright (c) 1990 The Regents of the University of California.
        !             7:  * All rights reserved.
        !             8:  *
        !             9:  * This code is derived from software contributed to Berkeley by
        !            10:  * Jan-Simon Pendry at Imperial College, London.
        !            11:  *
        !            12:  * Redistribution and use in source and binary forms are permitted provided
        !            13:  * that: (1) source distributions retain this entire copyright notice and
        !            14:  * comment, and (2) distributions including binaries display the following
        !            15:  * acknowledgement:  ``This product includes software developed by the
        !            16:  * University of California, Berkeley and its contributors'' in the
        !            17:  * documentation or other materials provided with the distribution and in
        !            18:  * all advertising materials mentioning features or use of this software.
        !            19:  * Neither the name of the University nor the names of its contributors may
        !            20:  * be used to endorse or promote products derived from this software without
        !            21:  * specific prior written permission.
        !            22:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
        !            23:  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
        !            24:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            25:  *
        !            26:  *     @(#)mtab_bsd.c  5.1 (Berkeley) 6/29/90
        !            27:  */
        !            28: 
        !            29: #include "am.h"
        !            30: 
        !            31: #ifdef READ_MTAB_BSD_STYLE
        !            32: 
        !            33: #include <sys/mount.h>
        !            34: 
        !            35: static struct mntent *mnt_dup(mp)
        !            36: struct statfs *mp;
        !            37: {
        !            38:        struct mntent *new_mp = ALLOC(mntent);
        !            39:        char *ty;
        !            40: 
        !            41:        new_mp->mnt_fsname = strdup(mp->f_mntfromname);
        !            42:        new_mp->mnt_dir = strdup(mp->f_mntonname);
        !            43:        switch (mp->f_type) {
        !            44:        case MOUNT_UFS:  ty = MTAB_TYPE_UFS; break;
        !            45:        case MOUNT_NFS:  ty = MTAB_TYPE_NFS; break;
        !            46:        case MOUNT_MFS:  ty = MTAB_TYPE_MFS; break;
        !            47:        default:  ty = "unknown"; break;
        !            48:        }
        !            49:        new_mp->mnt_type = strdup(ty);
        !            50:        new_mp->mnt_opts = strdup("unset");
        !            51:        new_mp->mnt_freq = 0;
        !            52:        new_mp->mnt_passno = 0;
        !            53: 
        !            54:        return new_mp;
        !            55: }
        !            56: 
        !            57: /*
        !            58:  * Read a mount table into memory
        !            59:  */
        !            60: mntlist *read_mtab(fs)
        !            61: char *fs;
        !            62: {
        !            63:        mntlist **mpp, *mhp;
        !            64:        struct statfs *mntbufp, *mntp;
        !            65: 
        !            66:        int nloc = getmntinfo(&mntbufp, MNT_NOWAIT);
        !            67: 
        !            68:        if (nloc == 0) {
        !            69:                plog(XLOG_ERROR, "Can't read mount table");
        !            70:                return 0;
        !            71:        }
        !            72: 
        !            73:        mpp = &mhp;
        !            74:        for (mntp = mntbufp; mntp < mntbufp + nloc; mntp++) {
        !            75:                /*
        !            76:                 * Allocate a new slot
        !            77:                 */
        !            78:                *mpp = ALLOC(mntlist);
        !            79: 
        !            80:                /*
        !            81:                 * Copy the data returned by getmntent
        !            82:                 */
        !            83:                (*mpp)->mnt = mnt_dup(mntp);
        !            84: 
        !            85:                /*
        !            86:                 * Move to next pointer
        !            87:                 */
        !            88:                mpp = &(*mpp)->mnext;
        !            89:        }
        !            90: 
        !            91:        return mhp;
        !            92: }
        !            93: 
        !            94: #endif /* READ_MTAB_BSD_STYLE */

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