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Diffstat (limited to 'ufs-fsck/main.c')
| -rw-r--r-- | ufs-fsck/main.c | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/ufs-fsck/main.c b/ufs-fsck/main.c new file mode 100644 index 00000000..34c32a67 --- /dev/null +++ b/ufs-fsck/main.c @@ -0,0 +1,170 @@ +/* Main program for GNU fsck + Copyright (C) 1994, 1996, 1997 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 <errno.h> +#include <argp.h> +#include <hurd.h> +#include <version.h> + +#include "fsck.h" + +const char *argp_program_version = STANDARD_HURD_VERSION (fsck.ufs); + +char *lfname = "lost+found"; +mode_t lfmode = 0755; + +/* Terse automatic mode for noninteractive use; punts on severe problems. */ +int preen = 0; + +/* Total number of files found on the partition. */ +long num_files = 0; + +static struct argp_option options[] = +{ + {"preen", 'p', 0, 0, "Terse automatic mode", 1}, + {"yes", 'y', 0, 0, "Automatically answer yes to all questions"}, + {"no", 'n', 0, 0, "Automatically answer no to all questions"}, + {"lost+found", 'l', "NAME", 0, "The name of the lost+found directory in /"}, + {"lf-mode", 'm', "MODE", 0, "The mode of the lost+found directory in /"}, + {0, 0, 0, 0, "In --preen mode, the following also apply:", 2}, + {"force", 'f', 0, 0, "Check even if clean"}, + {"silent", 's', 0, 0, "Only print diagostic messages"}, + {0, 0} +}; +char *args_doc = "DEVICE"; + +/* Returns a malloced buffer containing a nice printable size for FRAGS. */ +static char * +nice_size (long frags) +{ + char *rep; + char *units = "KMGT", *u = units; + float num = ((float)frags * sblock->fs_fsize) / 1024; + + while (num > 1024) + { + num /= 1024; + u++; + } + + asprintf (&rep, num >= 1000 ? "%.0f%c" : "%.3g%c", num, *u); + + return rep; +} + +/* Print summary statistics. */ +static void +show_stats () +{ + long num_ffree = sblock->fs_cstotal.cs_nffree; + long num_bfree = sblock->fs_cstotal.cs_nbfree; + long tot_ffree = num_ffree + sblock->fs_frag * num_bfree; + char *urep = nice_size (sblock->fs_dsize - tot_ffree); + char *frep = nice_size (tot_ffree); + warning (0, "%ld files, %s used, %s free (%ld.%ld%% fragmentation)", + num_files, urep, frep, + (num_ffree * 100) / sblock->fs_dsize, + (((num_ffree * 1000 + sblock->fs_dsize / 2) / sblock->fs_dsize) + % 10)); + free (urep); + free (frep); +} + +int +main (int argc, char **argv) +{ + int silent = 0, force = 0; + char *device = 0; + error_t parse_opt (int key, char *arg, struct argp_state *state) + { + switch (key) + { + case 'p': preen = 1; break; + case 'y': noquery = 1; break; + case 'n': nowrite = 1; break; + case 'l': lfname = arg; break; + case 'm': lfmode = strtol (arg, 0, 8); break; + case 'f': force = 1; break; + case 's': silent = 1; break; + case ARGP_KEY_ARG: + if (!device) + { + device = arg; + break; + } + /* Fall through */ + case ARGP_KEY_NO_ARGS: + argp_usage (state); + default: + return ARGP_ERR_UNKNOWN; + } + return 0; + } + struct argp argp = {options, parse_opt, args_doc}; + + preen = nowrite = noquery = 0; + argp_parse (&argp, argc, argv, 0, 0, 0); + + if (!setup (device)) + exit (1); + + if (preen && sblock->fs_clean && !force) + { + if (! silent) + warning (0, "FILESYSTEM CLEAN"); + } + else + { + if (!preen) + printf ("** Phase 1 -- Check Blocks and Sizes\n"); + pass1 (); + + if (duplist) + { + if (!preen) + printf ("** Phase 1b -- Rescan for More Duplicates\n"); + pass1b (); + } + + if (!preen) + printf ("** Phase 2 -- Check Pathnames\n"); + pass2 (); + + if (!preen) + printf ("** Phase 3 -- Check Connectivity\n"); + pass3 (); + + if (!preen) + printf ("** Phase 4 -- Check Reference Counts\n"); + pass4 (); + + if (!preen) + printf ("** Phase 5 -- Check Cyl Groups\n"); + pass5 (); + + if (! silent) + show_stats (sblock); + } + + if (fsmodified && !preen) + printf ("\n***** FILE SYSTEM WAS MODIFIED *****\n"); + + exit (fsmodified ? 2 : 0); +} |