diff options
Diffstat (limited to 'e2fsprogs/old_e2fsprogs/ext2fs/check_desc.c')
-rw-r--r-- | e2fsprogs/old_e2fsprogs/ext2fs/check_desc.c | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/e2fsprogs/old_e2fsprogs/ext2fs/check_desc.c b/e2fsprogs/old_e2fsprogs/ext2fs/check_desc.c deleted file mode 100644 index dd4b0e9..0000000 --- a/e2fsprogs/old_e2fsprogs/ext2fs/check_desc.c +++ /dev/null @@ -1,69 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * check_desc.c --- Check the group descriptors of an ext2 filesystem - * - * Copyright (C) 1993, 1994, 1995, 1996 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <fcntl.h> -#include <time.h> -#if HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#if HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -/* - * This routine sanity checks the group descriptors - */ -errcode_t ext2fs_check_desc(ext2_filsys fs) -{ - dgrp_t i; - blk_t block = fs->super->s_first_data_block; - blk_t next; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - for (i = 0; i < fs->group_desc_count; i++) { - next = block + fs->super->s_blocks_per_group; - /* - * Check to make sure block bitmap for group is - * located within the group. - */ - if (fs->group_desc[i].bg_block_bitmap < block || - fs->group_desc[i].bg_block_bitmap >= next) - return EXT2_ET_GDESC_BAD_BLOCK_MAP; - /* - * Check to make sure inode bitmap for group is - * located within the group - */ - if (fs->group_desc[i].bg_inode_bitmap < block || - fs->group_desc[i].bg_inode_bitmap >= next) - return EXT2_ET_GDESC_BAD_INODE_MAP; - /* - * Check to make sure inode table for group is located - * within the group - */ - if (fs->group_desc[i].bg_inode_table < block || - ((fs->group_desc[i].bg_inode_table + - fs->inode_blocks_per_group) >= next)) - return EXT2_ET_GDESC_BAD_INODE_TABLE; - - block = next; - } - return 0; -} |