diff options
| author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2013-09-23 22:38:05 +0000 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2013-09-23 22:38:05 +0000 |
| commit | 55dbe0445180b7b6755ad014a6ee66f49da7f23d (patch) | |
| tree | 38ef05929d823f3d82e32c7515bc6b59acce4ece /ufs-fsck/setup.c | |
| parent | 6da66c7aea1019ee63d9fc19bc8b73fa7c676da0 (diff) | |
New upstream snapshot
Diffstat (limited to 'ufs-fsck/setup.c')
| -rw-r--r-- | ufs-fsck/setup.c | 191 |
1 files changed, 0 insertions, 191 deletions
diff --git a/ufs-fsck/setup.c b/ufs-fsck/setup.c deleted file mode 100644 index 9433bd68..00000000 --- a/ufs-fsck/setup.c +++ /dev/null @@ -1,191 +0,0 @@ -/* - Copyright (C) 1994,96,99,2002 Free Software Foundation, Inc. - Written by Michael I. Bushnell. - - This file is part of the GNU Hurd. - - The GNU Hurd is free software; you can redistribute it and/or - modify it under the terms of the GNU General Public License as - published by the Free Software Foundation; either version 2, or (at - your option) any later version. - - The GNU Hurd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ - -#include "fsck.h" -#include <sys/stat.h> -#include <fcntl.h> -#include <errno.h> -#include <error.h> - -static char sblockbuf[SBSIZE]; -struct fs *sblock = (struct fs *)sblockbuf; - -/* A string identifying what we're trying to check. */ -char *device_name = 0; - -daddr_t maxfsblock; -int maxino; -int direct_symlink_extension; - -int newinofmt; - -int readfd, writefd; - -int fix_denied = 0; - -int fsmodified = 0; - -ino_t lfdir; - -/* Get ready to run on device with pathname DEV. */ -int -setup (char *dev) -{ - struct stat st; - int changedsb; - size_t bmapsize; - - device_name = dev; - - if (stat (dev, &st) == -1) - { - error (0, errno, "%s", dev); - return 0; - } - if (!S_ISCHR (st.st_mode) && !S_ISBLK (st.st_mode)) - { - problem (1, "%s is not a character or block device", dev); - if (! reply ("CONTINUE")) - return 0; - } - if (preen == 0) - printf ("** %s", dev); - if (!nowrite) - readfd = open (dev, O_RDWR); - if (nowrite || readfd == -1) - { - readfd = open (dev, O_RDONLY); - if (readfd == -1) - { - error (0, errno, "%s", dev); - return 0; - } - writefd = -1; - nowrite = 1; - if (preen) - warning (1, "NO WRITE ACCESS"); - printf (" (NO WRITE)"); - } - else - writefd = readfd; - - if (preen == 0) - printf ("\n"); - - lfdir = 0; - - /* We don't do the alternate superblock stuff here (yet). */ - readblock (SBLOCK, sblock, SBSIZE); - changedsb = 0; - - if (sblock->fs_magic != FS_MAGIC) - { - warning (1, "BAD MAGIC NUMBER"); - return 0; - } - if (sblock->fs_ncg < 1) - { - warning (1, "NCG OUT OF RANGE"); - return 0; - } - if (sblock->fs_cpg < 1) - { - warning (1, "CPG OUT OF RANGE"); - return 0; - } - if (sblock->fs_ncg * sblock->fs_cpg < sblock->fs_ncyl - || (sblock->fs_ncg - 1) * sblock->fs_cpg >= sblock->fs_ncyl) - { - warning (1, "NCYL INCONSISTENT WITH NCG AND CPG"); - return 0; - } - if (sblock->fs_sbsize > SBSIZE) - { - warning (1, "SBLOCK SIZE PREPONTEROUSLY LARGE"); - return 0; - } - if (sblock->fs_optim != FS_OPTTIME && sblock->fs_optim != FS_OPTSPACE) - { - problem (1, "UNDEFINED OPTIMIZATION IN SUPERBLOCK"); - if (reply ("SET TO DEFAULT")) - { - sblock->fs_optim = FS_OPTTIME; - changedsb = 1; - } - } - if (sblock->fs_minfree < 0 || sblock->fs_minfree > 99) - { - problem (0, "IMPOSSIBLE MINFREE=%ld IN SUPERBLOCK", sblock->fs_minfree); - if (preen || reply ("SET TO DEFAULT")) - { - sblock->fs_minfree = 10; - changedsb = 1; - pfix ("SET TO DEFAULT"); - } - } - if (sblock->fs_interleave < 1 - || sblock->fs_interleave > sblock->fs_nsect) - { - problem (0, "IMPOSSIBLE INTERLEAVE=%ld IN SUPERBLOCK", - sblock->fs_interleave); - if (preen || reply ("SET TO DEFAULT")) - { - sblock->fs_interleave = 1; - changedsb = 1; - pfix ("SET TO DEFAULT"); - } - } - if (sblock->fs_npsect < sblock->fs_nsect - || sblock->fs_npsect > sblock->fs_nsect * 2) - { - problem (0, "IMPOSSIBLE NPSECT=%ld IN SUPERBLOCK", sblock->fs_npsect); - if (preen || reply ("SET TO DEFAULT")) - { - sblock->fs_npsect = sblock->fs_nsect; - changedsb = 1; - pfix ("SET TO DEFAULT"); - } - } - if (sblock->fs_inodefmt >= FS_44INODEFMT) - newinofmt = 1; - else - { - sblock->fs_qbmask = ~sblock->fs_bmask; - sblock->fs_qfmask = ~sblock->fs_fmask; - newinofmt = 0; - } - - if (changedsb) - writeblock (SBLOCK, sblock, SBSIZE); - - /* Constants */ - maxfsblock = sblock->fs_size; - maxino = sblock->fs_ncg * sblock->fs_ipg; - direct_symlink_extension = sblock->fs_maxsymlinklen > 0; - - /* Allocate and initialize maps */ - bmapsize = roundup (howmany (maxfsblock, NBBY), sizeof (short)); - blockmap = calloc (bmapsize, sizeof (char)); - inodestate = calloc (maxino + 1, sizeof (char)); - typemap = calloc (maxino + 1, sizeof (char)); - linkcount = calloc (maxino + 1, sizeof (nlink_t)); - linkfound = calloc (maxino + 1, sizeof (nlink_t)); - return 1; -} |