161 lines
4.7 KiB
C
161 lines
4.7 KiB
C
/*
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* This testing program makes sure superblock size is 1024 bytes long
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*
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* Copyright (C) 2007 by Theodore Ts'o.
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*
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* %Begin-Header%
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* This file may be redistributed under the terms of the GNU Library
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* General Public License, version 2.
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* %End-Header%
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*/
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#include "config.h"
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#include <stdio.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include "ext2_fs.h"
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#define sb_struct ext2_super_block
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#define sb_struct_name "ext2_super_block"
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struct sb_struct sb;
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#ifndef offsetof
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#define offsetof(type, member) __builtin_offsetof (type, member)
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#endif
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#define check_field(x, s) cur_offset = do_field(#x, s, sizeof(sb.x), \
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offsetof(struct sb_struct, x), \
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cur_offset)
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static int do_field(const char *field, unsigned size, unsigned cur_size,
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unsigned offset, unsigned cur_offset)
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{
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if (size != cur_size) {
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printf("error: %s size %u should be %u\n",
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field, cur_size, size);
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exit(1);
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}
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if (offset != cur_offset) {
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printf("error: %s offset %u should be %u\n",
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field, cur_offset, offset);
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exit(1);
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}
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printf("%8d %-30s %3u\n", offset, field, size);
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return offset + size;
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}
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int main(int argc, char **argv)
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{
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#if (__GNUC__ >= 4)
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int cur_offset = 0;
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printf("%8s %-30s %3s\n", "offset", "field", "size");
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check_field(s_inodes_count, 4);
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check_field(s_blocks_count, 4);
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check_field(s_r_blocks_count, 4);
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check_field(s_free_blocks_count, 4);
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check_field(s_free_inodes_count, 4);
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check_field(s_first_data_block, 4);
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check_field(s_log_block_size, 4);
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check_field(s_log_cluster_size, 4);
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check_field(s_blocks_per_group, 4);
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check_field(s_clusters_per_group, 4);
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check_field(s_inodes_per_group, 4);
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check_field(s_mtime, 4);
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check_field(s_wtime, 4);
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check_field(s_mnt_count, 2);
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check_field(s_max_mnt_count, 2);
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check_field(s_magic, 2);
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check_field(s_state, 2);
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check_field(s_errors, 2);
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check_field(s_minor_rev_level, 2);
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check_field(s_lastcheck, 4);
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check_field(s_checkinterval, 4);
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check_field(s_creator_os, 4);
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check_field(s_rev_level, 4);
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check_field(s_def_resuid, 2);
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check_field(s_def_resgid, 2);
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check_field(s_first_ino, 4);
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check_field(s_inode_size, 2);
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check_field(s_block_group_nr, 2);
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check_field(s_feature_compat, 4);
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check_field(s_feature_incompat, 4);
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check_field(s_feature_ro_compat, 4);
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check_field(s_uuid, 16);
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check_field(s_volume_name, 16);
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check_field(s_last_mounted, 64);
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check_field(s_algorithm_usage_bitmap, 4);
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check_field(s_prealloc_blocks, 1);
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check_field(s_prealloc_dir_blocks, 1);
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check_field(s_reserved_gdt_blocks, 2);
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check_field(s_journal_uuid, 16);
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check_field(s_journal_inum, 4);
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check_field(s_journal_dev, 4);
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check_field(s_last_orphan, 4);
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check_field(s_hash_seed, 4 * 4);
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check_field(s_def_hash_version, 1);
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check_field(s_jnl_backup_type, 1);
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check_field(s_desc_size, 2);
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check_field(s_default_mount_opts, 4);
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check_field(s_first_meta_bg, 4);
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check_field(s_mkfs_time, 4);
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check_field(s_jnl_blocks, 17 * 4);
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check_field(s_blocks_count_hi, 4);
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check_field(s_r_blocks_count_hi, 4);
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check_field(s_free_blocks_hi, 4);
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check_field(s_min_extra_isize, 2);
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check_field(s_want_extra_isize, 2);
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check_field(s_flags, 4);
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check_field(s_raid_stride, 2);
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check_field(s_mmp_update_interval, 2);
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check_field(s_mmp_block, 8);
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check_field(s_raid_stripe_width, 4);
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check_field(s_log_groups_per_flex, 1);
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check_field(s_checksum_type, 1);
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check_field(s_encryption_level, 1);
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check_field(s_reserved_pad, 1);
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check_field(s_kbytes_written, 8);
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check_field(s_snapshot_inum, 4);
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check_field(s_snapshot_id, 4);
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check_field(s_snapshot_r_blocks_count, 8);
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check_field(s_snapshot_list, 4);
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check_field(s_error_count, 4);
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check_field(s_first_error_time, 4);
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check_field(s_first_error_ino, 4);
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check_field(s_first_error_block, 8);
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check_field(s_first_error_func, 32);
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check_field(s_first_error_line, 4);
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check_field(s_last_error_time, 4);
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check_field(s_last_error_ino, 4);
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check_field(s_last_error_line, 4);
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check_field(s_last_error_block, 8);
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check_field(s_last_error_func, 32);
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check_field(s_mount_opts, 64);
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check_field(s_usr_quota_inum, 4);
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check_field(s_grp_quota_inum, 4);
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check_field(s_overhead_clusters, 4);
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check_field(s_backup_bgs, 8);
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check_field(s_encrypt_algos, 4);
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check_field(s_encrypt_pw_salt, 16);
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check_field(s_lpf_ino, 4);
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check_field(s_prj_quota_inum, 4);
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check_field(s_checksum_seed, 4);
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check_field(s_wtime_hi, 1);
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check_field(s_mtime_hi, 1);
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check_field(s_mkfs_time_hi, 1);
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check_field(s_lastcheck_hi, 1);
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check_field(s_first_error_time_hi, 1);
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check_field(s_last_error_time_hi, 1);
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check_field(s_first_error_errcode, 1);
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check_field(s_last_error_errcode, 1);
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check_field(s_encoding, 2);
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check_field(s_encoding_flags, 2);
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check_field(s_reserved, 95 * 4);
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check_field(s_checksum, 4);
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do_field("Superblock end", 0, 0, cur_offset, 1024);
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#endif
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return 0;
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}
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