lib/ext2fs/swapfs.c

   1 /*
   2  * swapfs.c --- swap ext2 filesystem data structures
   3  *
   4  * Copyright (C) 1995, 1996, 2002 Theodore Ts'o.
   5  *
   6  * %Begin-Header%
   7  * This file may be redistributed under the terms of the GNU Library
   8  * General Public License, version 2.
   9  * %End-Header%
  10  */
  11
  12 #include "config.h"
  13 #include <stdio.h>
  14 #if HAVE_UNISTD_H
  15 #include <unistd.h>
  16 #endif
  17 #include <string.h>
  18 #include <time.h>
  19
  20 #include "ext2_fs.h"
  21 #include "ext2fs.h"
  22 #include <ext2fs/ext2_ext_attr.h>
  23
  24 #ifdef WORDS_BIGENDIAN
  25 void ext2fs_swap_super(struct ext2_super_block * sb)
  26 {
  27         int i;
  28         sb->s_inodes_count = ext2fs_swab32(sb->s_inodes_count);
  29         sb->s_blocks_count = ext2fs_swab32(sb->s_blocks_count);
  30         sb->s_r_blocks_count = ext2fs_swab32(sb->s_r_blocks_count);
  31         sb->s_free_blocks_count = ext2fs_swab32(sb->s_free_blocks_count);
  32         sb->s_free_inodes_count = ext2fs_swab32(sb->s_free_inodes_count);
  33         sb->s_first_data_block = ext2fs_swab32(sb->s_first_data_block);
  34         sb->s_log_block_size = ext2fs_swab32(sb->s_log_block_size);
  35         sb->s_log_cluster_size = ext2fs_swab32(sb->s_log_cluster_size);
  36         sb->s_blocks_per_group = ext2fs_swab32(sb->s_blocks_per_group);
  37         sb->s_clusters_per_group = ext2fs_swab32(sb->s_clusters_per_group);
  38         sb->s_inodes_per_group = ext2fs_swab32(sb->s_inodes_per_group);
  39         sb->s_mtime = ext2fs_swab32(sb->s_mtime);
  40         sb->s_wtime = ext2fs_swab32(sb->s_wtime);
  41         sb->s_mnt_count = ext2fs_swab16(sb->s_mnt_count);
  42         sb->s_max_mnt_count = ext2fs_swab16(sb->s_max_mnt_count);
  43         sb->s_magic = ext2fs_swab16(sb->s_magic);
  44         sb->s_state = ext2fs_swab16(sb->s_state);
  45         sb->s_errors = ext2fs_swab16(sb->s_errors);
  46         sb->s_minor_rev_level = ext2fs_swab16(sb->s_minor_rev_level);
  47         sb->s_lastcheck = ext2fs_swab32(sb->s_lastcheck);
  48         sb->s_checkinterval = ext2fs_swab32(sb->s_checkinterval);
  49         sb->s_creator_os = ext2fs_swab32(sb->s_creator_os);
  50         sb->s_rev_level = ext2fs_swab32(sb->s_rev_level);
  51         sb->s_def_resuid = ext2fs_swab16(sb->s_def_resuid);
  52         sb->s_def_resgid = ext2fs_swab16(sb->s_def_resgid);
  53         sb->s_first_ino = ext2fs_swab32(sb->s_first_ino);
  54         sb->s_inode_size = ext2fs_swab16(sb->s_inode_size);
  55         sb->s_block_group_nr = ext2fs_swab16(sb->s_block_group_nr);
  56         sb->s_feature_compat = ext2fs_swab32(sb->s_feature_compat);
  57         sb->s_feature_incompat = ext2fs_swab32(sb->s_feature_incompat);
  58         sb->s_feature_ro_compat = ext2fs_swab32(sb->s_feature_ro_compat);
  59         sb->s_algorithm_usage_bitmap = ext2fs_swab32(sb->s_algorithm_usage_bitmap);
  60         sb->s_reserved_gdt_blocks = ext2fs_swab16(sb->s_reserved_gdt_blocks);
  61         sb->s_journal_inum = ext2fs_swab32(sb->s_journal_inum);
  62         sb->s_journal_dev = ext2fs_swab32(sb->s_journal_dev);
  63         sb->s_last_orphan = ext2fs_swab32(sb->s_last_orphan);
  64         sb->s_desc_size = ext2fs_swab16(sb->s_desc_size);
  65         sb->s_default_mount_opts = ext2fs_swab32(sb->s_default_mount_opts);
  66         sb->s_first_meta_bg = ext2fs_swab32(sb->s_first_meta_bg);
  67         sb->s_mkfs_time = ext2fs_swab32(sb->s_mkfs_time);
  68         sb->s_blocks_count_hi = ext2fs_swab32(sb->s_blocks_count_hi);
  69         sb->s_r_blocks_count_hi = ext2fs_swab32(sb->s_r_blocks_count_hi);
  70         sb->s_free_blocks_hi = ext2fs_swab32(sb->s_free_blocks_hi);
  71         sb->s_min_extra_isize = ext2fs_swab16(sb->s_min_extra_isize);
  72         sb->s_want_extra_isize = ext2fs_swab16(sb->s_want_extra_isize);
  73         sb->s_flags = ext2fs_swab32(sb->s_flags);
  74         sb->s_mmp_update_interval = ext2fs_swab16(sb->s_mmp_update_interval);
  75         sb->s_mmp_block = ext2fs_swab64(sb->s_mmp_block);
  76         sb->s_kbytes_written = ext2fs_swab64(sb->s_kbytes_written);
  77         sb->s_snapshot_inum = ext2fs_swab32(sb->s_snapshot_inum);
  78         sb->s_snapshot_id = ext2fs_swab32(sb->s_snapshot_id);
  79         sb->s_snapshot_r_blocks_count =
  80                 ext2fs_swab64(sb->s_snapshot_r_blocks_count);
  81         sb->s_snapshot_list = ext2fs_swab32(sb->s_snapshot_list);
  82         sb->s_usr_quota_inum = ext2fs_swab32(sb->s_usr_quota_inum);
  83         sb->s_grp_quota_inum = ext2fs_swab32(sb->s_grp_quota_inum);
  84         sb->s_overhead_blocks = ext2fs_swab32(sb->s_overhead_blocks);
  85         sb->s_checksum = ext2fs_swab32(sb->s_checksum);
  86
  87         for (i=0; i < 4; i++)
  88                 sb->s_hash_seed[i] = ext2fs_swab32(sb->s_hash_seed[i]);
  89
  90         /* if journal backup is for a valid extent-based journal... */
  91         if (ext2fs_extent_header_verify(sb->s_jnl_blocks,
  92                                         sizeof(sb->s_jnl_blocks)) == 0) {
  93                 /* ... swap only the journal i_size and i_size_high,
  94                  * and the extent data is not swapped on read */
  95                 i = 15;
  96         } else {
  97                 /* direct/indirect journal: swap it all */
  98                 i = 0;
  99         }
 100         for (; i < 17; i++)
 101                 sb->s_jnl_blocks[i] = ext2fs_swab32(sb->s_jnl_blocks[i]);
 102         sb->s_backup_bgs[0] = ext2fs_swab32(sb->s_backup_bgs[0]);
 103         sb->s_backup_bgs[1] = ext2fs_swab32(sb->s_backup_bgs[1]);
 104 }
 105
 106 void ext2fs_swap_group_desc2(ext2_filsys fs, struct ext2_group_desc *gdp)
 107 {
 108         struct ext4_group_desc *gdp4 = (struct ext4_group_desc *)gdp;
 109
 110         /* Do the 32-bit parts first */
 111         gdp->bg_block_bitmap = ext2fs_swab32(gdp->bg_block_bitmap);
 112         gdp->bg_inode_bitmap = ext2fs_swab32(gdp->bg_inode_bitmap);
 113         gdp->bg_inode_table = ext2fs_swab32(gdp->bg_inode_table);
 114         gdp->bg_free_blocks_count = ext2fs_swab16(gdp->bg_free_blocks_count);
 115         gdp->bg_free_inodes_count = ext2fs_swab16(gdp->bg_free_inodes_count);
 116         gdp->bg_used_dirs_count = ext2fs_swab16(gdp->bg_used_dirs_count);
 117         gdp->bg_flags = ext2fs_swab16(gdp->bg_flags);
 118         gdp->bg_exclude_bitmap_lo = ext2fs_swab32(gdp->bg_exclude_bitmap_lo);
 119         gdp->bg_block_bitmap_csum_lo =
 120                 ext2fs_swab16(gdp->bg_block_bitmap_csum_lo);
 121         gdp->bg_inode_bitmap_csum_lo =
 122                 ext2fs_swab16(gdp->bg_inode_bitmap_csum_lo);
 123         gdp->bg_itable_unused = ext2fs_swab16(gdp->bg_itable_unused);
 124         gdp->bg_checksum = ext2fs_swab16(gdp->bg_checksum);
 125         /* If we're 32-bit, we're done */
 126         if (fs == NULL || EXT2_DESC_SIZE(fs->super) < EXT2_MIN_DESC_SIZE_64BIT)
 127                 return;
 128
 129         /* Swap the 64-bit parts */
 130         gdp4->bg_block_bitmap_hi = ext2fs_swab32(gdp4->bg_block_bitmap_hi);
 131         gdp4->bg_inode_bitmap_hi = ext2fs_swab32(gdp4->bg_inode_bitmap_hi);
 132         gdp4->bg_inode_table_hi = ext2fs_swab32(gdp4->bg_inode_table_hi);
 133         gdp4->bg_free_blocks_count_hi =
 134                 ext2fs_swab16(gdp4->bg_free_blocks_count_hi);
 135         gdp4->bg_free_inodes_count_hi =
 136                 ext2fs_swab16(gdp4->bg_free_inodes_count_hi);
 137         gdp4->bg_used_dirs_count_hi =
 138                 ext2fs_swab16(gdp4->bg_used_dirs_count_hi);
 139         gdp4->bg_itable_unused_hi = ext2fs_swab16(gdp4->bg_itable_unused_hi);
 140         gdp4->bg_exclude_bitmap_hi = ext2fs_swab16(gdp4->bg_exclude_bitmap_hi);
 141         gdp4->bg_block_bitmap_csum_hi =
 142                 ext2fs_swab16(gdp4->bg_block_bitmap_csum_hi);
 143         gdp4->bg_inode_bitmap_csum_hi =
 144                 ext2fs_swab16(gdp4->bg_inode_bitmap_csum_hi);
 145 }
 146
 147 void ext2fs_swap_group_desc(struct ext2_group_desc *gdp)
 148 {
 149         ext2fs_swap_group_desc2(0, gdp);
 150 }
 151
 152
 153 void ext2fs_swap_ext_attr_header(struct ext2_ext_attr_header *to_header,
 154                                  struct ext2_ext_attr_header *from_header)
 155 {
 156         int n;
 157
 158         to_header->h_magic    = ext2fs_swab32(from_header->h_magic);
 159         to_header->h_blocks   = ext2fs_swab32(from_header->h_blocks);
 160         to_header->h_refcount = ext2fs_swab32(from_header->h_refcount);
 161         to_header->h_hash     = ext2fs_swab32(from_header->h_hash);
 162         to_header->h_checksum = ext2fs_swab32(from_header->h_checksum);
 163         for (n = 0; n < 3; n++)
 164                 to_header->h_reserved[n] =
 165                         ext2fs_swab32(from_header->h_reserved[n]);
 166 }
 167
 168 void ext2fs_swap_ext_attr_entry(struct ext2_ext_attr_entry *to_entry,
 169                                 struct ext2_ext_attr_entry *from_entry)
 170 {
 171         to_entry->e_value_offs  = ext2fs_swab16(from_entry->e_value_offs);
 172         to_entry->e_value_block = ext2fs_swab32(from_entry->e_value_block);
 173         to_entry->e_value_size  = ext2fs_swab32(from_entry->e_value_size);
 174         to_entry->e_hash        = ext2fs_swab32(from_entry->e_hash);
 175 }
 176
 177 void ext2fs_swap_ext_attr(char *to, char *from, int bufsize, int has_header)
 178 {
 179         struct ext2_ext_attr_header *from_header =
 180                 (struct ext2_ext_attr_header *)from;
 181         struct ext2_ext_attr_header *to_header =
 182                 (struct ext2_ext_attr_header *)to;
 183         struct ext2_ext_attr_entry *from_entry, *to_entry;
 184         char *from_end = (char *)from_header + bufsize;
 185
 186         if (to_header != from_header)
 187                 memcpy(to_header, from_header, bufsize);
 188
 189         if (has_header) {
 190                 ext2fs_swap_ext_attr_header(to_header, from_header);
 191
 192                 from_entry = (struct ext2_ext_attr_entry *)(from_header+1);
 193                 to_entry   = (struct ext2_ext_attr_entry *)(to_header+1);
 194         } else {
 195                 from_entry = (struct ext2_ext_attr_entry *)from_header;
 196                 to_entry   = (struct ext2_ext_attr_entry *)to_header;
 197         }
 198
 199         while ((char *)from_entry < from_end &&
 200                (char *)EXT2_EXT_ATTR_NEXT(from_entry) <= from_end &&
 201                *(__u32 *)from_entry) {
 202                 ext2fs_swap_ext_attr_entry(to_entry, from_entry);
 203                 from_entry = EXT2_EXT_ATTR_NEXT(from_entry);
 204                 to_entry   = EXT2_EXT_ATTR_NEXT(to_entry);
 205         }
 206 }
 207
 208 void ext2fs_swap_inode_full(ext2_filsys fs, struct ext2_inode_large *t,
 209                             struct ext2_inode_large *f, int hostorder,
 210                             int bufsize)
 211 {
 212         unsigned i, has_data_blocks, extra_isize, attr_magic;
 213         int has_extents = 0;
 214         int has_inline_data = 0;
 215         int islnk = 0;
 216         __u32 *eaf, *eat;
 217
 218         if (hostorder && LINUX_S_ISLNK(f->i_mode))
 219                 islnk = 1;
 220         t->i_mode = ext2fs_swab16(f->i_mode);
 221         if (!hostorder && LINUX_S_ISLNK(t->i_mode))
 222                 islnk = 1;
 223         t->i_uid = ext2fs_swab16(f->i_uid);
 224         t->i_size = ext2fs_swab32(f->i_size);
 225         t->i_atime = ext2fs_swab32(f->i_atime);
 226         t->i_ctime = ext2fs_swab32(f->i_ctime);
 227         t->i_mtime = ext2fs_swab32(f->i_mtime);
 228         t->i_dtime = ext2fs_swab32(f->i_dtime);
 229         t->i_gid = ext2fs_swab16(f->i_gid);
 230         t->i_links_count = ext2fs_swab16(f->i_links_count);
 231         t->i_file_acl = ext2fs_swab32(f->i_file_acl);
 232         if (hostorder)
 233                 has_data_blocks = ext2fs_inode_data_blocks(fs,
 234                                            (struct ext2_inode *) f);
 235         t->i_blocks = ext2fs_swab32(f->i_blocks);
 236         if (!hostorder)
 237                 has_data_blocks = ext2fs_inode_data_blocks(fs,
 238                                            (struct ext2_inode *) t);
 239         if (hostorder && (f->i_flags & EXT4_EXTENTS_FL))
 240                 has_extents = 1;
 241         if (hostorder && (f->i_flags & EXT4_INLINE_DATA_FL))
 242                 has_inline_data = 1;
 243         t->i_flags = ext2fs_swab32(f->i_flags);
 244         if (!hostorder && (t->i_flags & EXT4_EXTENTS_FL))
 245                 has_extents = 1;
 246         if (!hostorder && (t->i_flags & EXT4_INLINE_DATA_FL))
 247                 has_inline_data = 1;
 248         t->i_dir_acl = ext2fs_swab32(f->i_dir_acl);
 249         /*
 250          * Extent data and inline data are swapped on access, not here
 251          */
 252         if (!has_extents && !has_inline_data && (!islnk || has_data_blocks)) {
 253                 for (i = 0; i < EXT2_N_BLOCKS; i++)
 254                         t->i_block[i] = ext2fs_swab32(f->i_block[i]);
 255         } else if (t != f) {
 256                 for (i = 0; i < EXT2_N_BLOCKS; i++)
 257                         t->i_block[i] = f->i_block[i];
 258         }
 259         t->i_generation = ext2fs_swab32(f->i_generation);
 260         t->i_faddr = ext2fs_swab32(f->i_faddr);
 261
 262         switch (fs->super->s_creator_os) {
 263         case EXT2_OS_LINUX:
 264                 t->osd1.linux1.l_i_version =
 265                         ext2fs_swab32(f->osd1.linux1.l_i_version);
 266                 t->osd2.linux2.l_i_blocks_hi =
 267                         ext2fs_swab16(f->osd2.linux2.l_i_blocks_hi);
 268                 t->osd2.linux2.l_i_file_acl_high =
 269                         ext2fs_swab16(f->osd2.linux2.l_i_file_acl_high);
 270                 t->osd2.linux2.l_i_uid_high =
 271                   ext2fs_swab16 (f->osd2.linux2.l_i_uid_high);
 272                 t->osd2.linux2.l_i_gid_high =
 273                   ext2fs_swab16 (f->osd2.linux2.l_i_gid_high);
 274                 t->osd2.linux2.l_i_checksum_lo =
 275                         ext2fs_swab16(f->osd2.linux2.l_i_checksum_lo);
 276                 break;
 277         case EXT2_OS_HURD:
 278                 t->osd1.hurd1.h_i_translator =
 279                   ext2fs_swab32 (f->osd1.hurd1.h_i_translator);
 280                 t->osd2.hurd2.h_i_frag = f->osd2.hurd2.h_i_frag;
 281                 t->osd2.hurd2.h_i_fsize = f->osd2.hurd2.h_i_fsize;
 282                 t->osd2.hurd2.h_i_mode_high =
 283                   ext2fs_swab16 (f->osd2.hurd2.h_i_mode_high);
 284                 t->osd2.hurd2.h_i_uid_high =
 285                   ext2fs_swab16 (f->osd2.hurd2.h_i_uid_high);
 286                 t->osd2.hurd2.h_i_gid_high =
 287                   ext2fs_swab16 (f->osd2.hurd2.h_i_gid_high);
 288                 t->osd2.hurd2.h_i_author =
 289                   ext2fs_swab32 (f->osd2.hurd2.h_i_author);
 290                 break;
 291         default:
 292                 break;
 293         }
 294
 295         if (bufsize < (int) (sizeof(struct ext2_inode) + sizeof(__u16)))
 296                 return; /* no i_extra_isize field */
 297
 298         if (hostorder)
 299                 extra_isize = f->i_extra_isize;
 300         t->i_extra_isize = ext2fs_swab16(f->i_extra_isize);
 301         if (!hostorder)
 302                 extra_isize = t->i_extra_isize;
 303         if (extra_isize > EXT2_INODE_SIZE(fs->super) -
 304                                 sizeof(struct ext2_inode)) {
 305                 /* this is error case: i_extra_size is too large */
 306                 return;
 307         }
 308
 309         if (extra_isize >= 4)
 310                 t->i_checksum_hi = ext2fs_swab16(f->i_checksum_hi);
 311         if (extra_isize >= 8)
 312                 t->i_ctime_extra = ext2fs_swab32(f->i_ctime_extra);
 313         if (extra_isize >= 12)
 314                 t->i_mtime_extra = ext2fs_swab32(f->i_mtime_extra);
 315         if (extra_isize >= 16)
 316                 t->i_atime_extra = ext2fs_swab32(f->i_atime_extra);
 317         if (extra_isize >= 20)
 318                 t->i_crtime = ext2fs_swab32(f->i_crtime);
 319         if (extra_isize >= 24)
 320                 t->i_crtime_extra = ext2fs_swab32(f->i_crtime_extra);
 321         if (extra_isize >= 28)
 322                 t->i_version_hi = ext2fs_swab32(f->i_version_hi);
 323
 324         i = sizeof(struct ext2_inode) + extra_isize + sizeof(__u32);
 325         if (bufsize < (int) i)
 326                 return; /* no space for EA magic */
 327
 328         eaf = (__u32 *) (((char *) f) + sizeof(struct ext2_inode) +
 329                                         extra_isize);
 330
 331         attr_magic = *eaf;
 332         if (!hostorder)
 333                 attr_magic = ext2fs_swab32(attr_magic);
 334
 335         if (attr_magic != EXT2_EXT_ATTR_MAGIC)
 336                 return; /* it seems no magic here */
 337
 338         eat = (__u32 *) (((char *) t) + sizeof(struct ext2_inode) +
 339                                         extra_isize);
 340         *eat = ext2fs_swab32(*eaf);
 341
 342         /* convert EA(s) */
 343         ext2fs_swap_ext_attr((char *) (eat + 1), (char *) (eaf + 1),
 344                              bufsize - sizeof(struct ext2_inode) -
 345                              extra_isize - sizeof(__u32), 0);
 346
 347 }
 348
 349 void ext2fs_swap_inode(ext2_filsys fs, struct ext2_inode *t,
 350                        struct ext2_inode *f, int hostorder)
 351 {
 352         ext2fs_swap_inode_full(fs, (struct ext2_inode_large *) t,
 353                                 (struct ext2_inode_large *) f, hostorder,
 354                                 sizeof(struct ext2_inode));
 355 }
 356
 357 void ext2fs_swap_mmp(struct mmp_struct *mmp)
 358 {
 359         mmp->mmp_magic = ext2fs_swab32(mmp->mmp_magic);
 360         mmp->mmp_seq = ext2fs_swab32(mmp->mmp_seq);
 361         mmp->mmp_time = ext2fs_swab64(mmp->mmp_time);
 362         mmp->mmp_check_interval = ext2fs_swab16(mmp->mmp_check_interval);
 363         mmp->mmp_checksum = ext2fs_swab32(mmp->mmp_checksum);
 364 }
 365
 366 errcode_t ext2fs_dirent_swab_in(ext2_filsys fs, char *buf, int flags)
 367 {
 368         return ext2fs_dirent_swab_in2(fs, buf, fs->blocksize, flags);
 369 }
 370
 371 errcode_t ext2fs_dirent_swab_in2(ext2_filsys fs, char *buf,
 372                                  size_t size, int flags)
 373 {
 374         errcode_t       retval;
 375         char            *p, *end;
 376         struct ext2_dir_entry *dirent;
 377         unsigned int    name_len, rec_len;
 378
 379         p = (char *) buf;
 380         end = (char *) buf + size;
 381         while (p < end-8) {
 382                 dirent = (struct ext2_dir_entry *) p;
 383                 dirent->inode = ext2fs_swab32(dirent->inode);
 384                 dirent->rec_len = ext2fs_swab16(dirent->rec_len);
 385                 dirent->name_len = ext2fs_swab16(dirent->name_len);
 386                 name_len = dirent->name_len;
 387                 if (flags & EXT2_DIRBLOCK_V2_STRUCT)
 388                         dirent->name_len = ext2fs_swab16(dirent->name_len);
 389                 retval = ext2fs_get_rec_len(fs, dirent, &rec_len);
 390                 if (retval)
 391                         return retval;
 392                 if ((rec_len < 8) || (rec_len % 4)) {
 393                         rec_len = 8;
 394                         retval = EXT2_ET_DIR_CORRUPTED;
 395                 } else if (((name_len & 0xFF) + 8) > rec_len)
 396                         retval = EXT2_ET_DIR_CORRUPTED;
 397                 p += rec_len;
 398         }
 399
 400         return 0;
 401 }
 402
 403 errcode_t ext2fs_dirent_swab_out(ext2_filsys fs, char *buf, int flags)
 404 {
 405         return ext2fs_dirent_swab_out2(fs, buf, fs->blocksize, flags);
 406 }
 407
 408 errcode_t ext2fs_dirent_swab_out2(ext2_filsys fs, char *buf,
 409                                   size_t size, int flags)
 410 {
 411         errcode_t       retval;
 412         char            *p, *end;
 413         unsigned int    rec_len;
 414         struct ext2_dir_entry *dirent;
 415
 416         p = buf;
 417         end = buf + size;
 418         while (p < end) {
 419                 dirent = (struct ext2_dir_entry *) p;
 420                 retval = ext2fs_get_rec_len(fs, dirent, &rec_len);
 421                 if (retval)
 422                         return retval;
 423                 if ((rec_len < 8) ||
 424                     (rec_len % 4)) {
 425                         ext2fs_free_mem(&buf);
 426                         return EXT2_ET_DIR_CORRUPTED;
 427                 }
 428                 p += rec_len;
 429                 dirent->inode = ext2fs_swab32(dirent->inode);
 430                 dirent->rec_len = ext2fs_swab16(dirent->rec_len);
 431                 dirent->name_len = ext2fs_swab16(dirent->name_len);
 432
 433                 if (flags & EXT2_DIRBLOCK_V2_STRUCT)
 434                         dirent->name_len = ext2fs_swab16(dirent->name_len);
 435         }
 436
 437         return 0;
 438 }
 439
 440 #endif