diff options
Diffstat (limited to 'gnu/usr.sbin/e2fsprogs/misc/dumpe2fs.c')
-rw-r--r-- | gnu/usr.sbin/e2fsprogs/misc/dumpe2fs.c | 236 |
1 files changed, 0 insertions, 236 deletions
diff --git a/gnu/usr.sbin/e2fsprogs/misc/dumpe2fs.c b/gnu/usr.sbin/e2fsprogs/misc/dumpe2fs.c deleted file mode 100644 index b71900e76f1..00000000000 --- a/gnu/usr.sbin/e2fsprogs/misc/dumpe2fs.c +++ /dev/null @@ -1,236 +0,0 @@ -/* - * dumpe2fs.c - List the control structures of a second - * extended filesystem - * - * Copyright (C) 1992, 1993, 1994 Remy Card <card@masi.ibp.fr> - * Laboratoire MASI, Institut Blaise Pascal - * Universite Pierre et Marie Curie (Paris VI) - * - * Copyright 1995, 1996, 1997 by Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -/* - * History: - * 94/01/09 - Creation - * 94/02/27 - Ported to use the ext2fs library - */ - -#ifdef HAVE_GETOPT_H -#include <getopt.h> -#endif -#include <fcntl.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> - -#include <linux/ext2_fs.h> - -#include "ext2fs/ext2fs.h" -#include "e2p/e2p.h" - -#include "../version.h" - -#define in_use(m, x) (ext2fs_test_bit ((x), (m))) - -const char * program_name = "dumpe2fs"; -char * device_name = NULL; - -static volatile void usage (void) -{ - fprintf (stderr, "usage: %s [-bV] device\n", program_name); - exit (1); -} - -static void print_free (unsigned long group, char * bitmap, - unsigned long nbytes, unsigned long offset) -{ - int p = 0; - unsigned long i; - unsigned long j; - - for (i = 0; i < nbytes; i++) - if (!in_use (bitmap, i)) - { - if (p) - printf (", "); - if (i == nbytes - 1 || in_use (bitmap, i + 1)) - printf ("%lu", group * nbytes + i + offset); - else - { - for (j = i; j < nbytes && !in_use (bitmap, j); - j++) - ; - printf ("%lu-%lu", group * nbytes + i + offset, - group * nbytes + (j - 1) + offset); - i = j - 1; - } - p = 1; - } -} - -static void list_desc (ext2_filsys fs) -{ - unsigned long i; - blk_t group_blk, next_blk; - char * block_bitmap = fs->block_map->bitmap; - char * inode_bitmap = fs->inode_map->bitmap; - - printf ("\n"); - group_blk = fs->super->s_first_data_block; - for (i = 0; i < fs->group_desc_count; i++) { - next_blk = group_blk + fs->super->s_blocks_per_group; - if (next_blk > fs->super->s_blocks_count) - next_blk = fs->super->s_blocks_count; - printf ("Group %lu: (Blocks %u -- %u)\n", i, - group_blk, next_blk -1 ); - printf (" Block bitmap at %u (+%d), " - "Inode bitmap at %u (+%d)\n " - "Inode table at %u (+%d)\n", - fs->group_desc[i].bg_block_bitmap, - fs->group_desc[i].bg_block_bitmap - group_blk, - fs->group_desc[i].bg_inode_bitmap, - fs->group_desc[i].bg_inode_bitmap - group_blk, - fs->group_desc[i].bg_inode_table, - fs->group_desc[i].bg_inode_table - group_blk); - printf (" %d free blocks, %d free inodes, %d directories\n", - fs->group_desc[i].bg_free_blocks_count, - fs->group_desc[i].bg_free_inodes_count, - fs->group_desc[i].bg_used_dirs_count); - printf (" Free blocks: "); - print_free (i, block_bitmap, fs->super->s_blocks_per_group, - fs->super->s_first_data_block); - block_bitmap += fs->super->s_blocks_per_group / 8; - printf ("\n"); - printf (" Free inodes: "); - print_free (i, inode_bitmap, fs->super->s_inodes_per_group, 1); - inode_bitmap += fs->super->s_inodes_per_group / 8; - printf ("\n"); - group_blk = next_blk; - } -} - -static void list_bad_blocks(ext2_filsys fs) -{ - badblocks_list bb_list = 0; - badblocks_iterate bb_iter; - blk_t blk; - errcode_t retval; - - retval = ext2fs_read_bb_inode(fs, &bb_list); - if (retval) { - com_err("ext2fs_read_bb_inode", retval, ""); - exit(1); - } - retval = badblocks_list_iterate_begin(bb_list, &bb_iter); - if (retval) { - com_err("badblocks_list_iterate_begin", retval, - "while printing bad block list"); - exit(1); - } - if (badblocks_list_iterate(bb_iter, &blk)) - printf("Bad blocks: %d", blk); - while (badblocks_list_iterate(bb_iter, &blk)) - printf(", %d", blk); - badblocks_list_iterate_end(bb_iter); - printf("\n"); -} - -static void dump_bad_blocks(ext2_filsys fs) -{ - badblocks_list bb_list = 0; - badblocks_iterate bb_iter; - blk_t blk; - errcode_t retval; - - retval = ext2fs_read_bb_inode(fs, &bb_list); - if (retval) { - com_err("ext2fs_read_bb_inode", retval, ""); - exit(1); - } - retval = badblocks_list_iterate_begin(bb_list, &bb_iter); - if (retval) { - com_err("badblocks_list_iterate_begin", retval, - "while printing bad block list"); - exit(1); - } - while (badblocks_list_iterate(bb_iter, &blk)) - printf("%d\n", blk); - badblocks_list_iterate_end(bb_iter); -} - -static int i386_byteorder(void) -{ - int one = 1; - char *cp = (char *) &one; - - return (*cp == 1); -} - -void main (int argc, char ** argv) -{ - errcode_t retval; - ext2_filsys fs; - int print_badblocks = 0; - int big_endian; - char c; - - initialize_ext2_error_table(); - fprintf (stderr, "dumpe2fs %s, %s for EXT2 FS %s, %s\n", - E2FSPROGS_VERSION, E2FSPROGS_DATE, - EXT2FS_VERSION, EXT2FS_DATE); - if (argc && *argv) - program_name = *argv; - - while ((c = getopt (argc, argv, "bV")) != EOF) { - switch (c) { - case 'b': - print_badblocks++; - break; - case 'V': - /* Print version number and exit */ - fprintf(stderr, "\tUsing %s\n", - error_message(EXT2_ET_BASE)); - exit(0); - default: - usage (); - } - } - if (optind > argc - 1) - usage (); - device_name = argv[optind++]; - retval = ext2fs_open (device_name, 0, 0, 0, unix_io_manager, &fs); - if (retval) { - com_err (program_name, retval, "while trying to open %s", - device_name); - printf ("Couldn't find valid filesystem superblock.\n"); - exit (1); - } - if (print_badblocks) { - dump_bad_blocks(fs); - } else { - retval = ext2fs_read_bitmaps (fs); - if (retval) { - com_err (program_name, retval, - "while trying to read the bitmaps", - device_name); - ext2fs_close (fs); - exit (1); - } - big_endian = ((fs->flags & EXT2_FLAG_SWAP_BYTES) != 0); - if (!i386_byteorder()) - big_endian = !big_endian; - if (big_endian) - printf("Note: This is a byte-swapped filesystem\n"); - list_super (fs->super); - list_bad_blocks (fs); - list_desc (fs); - } - ext2fs_close (fs); - exit (0); -} |