| 1 | /* |
| 2 | * Copyright (c) 1990 Jan-Simon Pendry |
| 3 | * Copyright (c) 1990 Imperial College of Science, Technology & Medicine |
| 4 | * Copyright (c) 1990, 1993 |
| 5 | * The Regents of the University of California. All rights reserved. |
| 6 | * |
| 7 | * This code is derived from software contributed to Berkeley by |
| 8 | * Jan-Simon Pendry at Imperial College, London. |
| 9 | * |
| 10 | * %sccs.include.redist.c% |
| 11 | * |
| 12 | * @(#)mtab_bsd.c 8.2 (Berkeley) %G% |
| 13 | * |
| 14 | * $Id: mtab_bsd.c,v 5.2.2.1 1992/02/09 15:10:13 jsp beta $ |
| 15 | * |
| 16 | */ |
| 17 | |
| 18 | #include "am.h" |
| 19 | |
| 20 | #ifdef READ_MTAB_BSD_STYLE |
| 21 | |
| 22 | #include <sys/mount.h> |
| 23 | |
| 24 | static struct mntent *mnt_dup(mp) |
| 25 | struct statfs *mp; |
| 26 | { |
| 27 | struct mntent *new_mp = ALLOC(mntent); |
| 28 | char *ty; |
| 29 | |
| 30 | new_mp->mnt_fsname = strdup(mp->f_mntfromname); |
| 31 | new_mp->mnt_dir = strdup(mp->f_mntonname); |
| 32 | #if BSD >= 199506 |
| 33 | ty = mp->f_fstypename; |
| 34 | #else |
| 35 | switch (mp->f_type) { |
| 36 | case MOUNT_UFS: ty = MTAB_TYPE_UFS; break; |
| 37 | case MOUNT_NFS: ty = MTAB_TYPE_NFS; break; |
| 38 | case MOUNT_MFS: ty = MTAB_TYPE_MFS; break; |
| 39 | default: ty = "unknown"; break; |
| 40 | } |
| 41 | #endif |
| 42 | new_mp->mnt_type = strdup(ty); |
| 43 | new_mp->mnt_opts = strdup("unset"); |
| 44 | new_mp->mnt_freq = 0; |
| 45 | new_mp->mnt_passno = 0; |
| 46 | |
| 47 | return new_mp; |
| 48 | } |
| 49 | |
| 50 | /* |
| 51 | * Read a mount table into memory |
| 52 | */ |
| 53 | mntlist *read_mtab(fs) |
| 54 | char *fs; |
| 55 | { |
| 56 | mntlist **mpp, *mhp; |
| 57 | struct statfs *mntbufp, *mntp; |
| 58 | |
| 59 | int nloc = getmntinfo(&mntbufp, MNT_NOWAIT); |
| 60 | |
| 61 | if (nloc == 0) { |
| 62 | plog(XLOG_ERROR, "Can't read mount table"); |
| 63 | return 0; |
| 64 | } |
| 65 | |
| 66 | mpp = &mhp; |
| 67 | for (mntp = mntbufp; mntp < mntbufp + nloc; mntp++) { |
| 68 | /* |
| 69 | * Allocate a new slot |
| 70 | */ |
| 71 | *mpp = ALLOC(mntlist); |
| 72 | |
| 73 | /* |
| 74 | * Copy the data returned by getmntent |
| 75 | */ |
| 76 | (*mpp)->mnt = mnt_dup(mntp); |
| 77 | |
| 78 | /* |
| 79 | * Move to next pointer |
| 80 | */ |
| 81 | mpp = &(*mpp)->mnext; |
| 82 | } |
| 83 | |
| 84 | /* |
| 85 | * Terminate the list |
| 86 | */ |
| 87 | *mpp = 0; |
| 88 | |
| 89 | return mhp; |
| 90 | } |
| 91 | |
| 92 | #endif /* READ_MTAB_BSD_STYLE */ |