1 /* 2 libparted - a library for manipulating disk partitions 3 Copyright (C) 2003, 2004, 2005, 2007 Free Software Foundation, Inc. 4 5 This program is free software; you can redistribute it and/or modify 6 it under the terms of the GNU General Public License as published by 7 the Free Software Foundation; either version 3 of the License, or 8 (at your option) any later version. 9 10 This program is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 GNU General Public License for more details. 14 15 You should have received a copy of the GNU General Public License 16 along with this program. If not, see <http://www.gnu.org/licenses/>. 17 */ 18 19 #ifndef _HFS_H 20 #define _HFS_H 21 22 /* WARNING : bn is used 2 times in theses macro */ 23 /* so _never_ use side effect operators when using them */ 24 #define TST_BLOC_OCCUPATION(tab,bn) \ 25 (((tab)[(bn)/8]) & (1<<(7-((bn)&7)))) 26 #define SET_BLOC_OCCUPATION(tab,bn) \ 27 (((tab)[(bn)/8]) |= (1<<(7-((bn)&7)))) 28 #define CLR_BLOC_OCCUPATION(tab,bn) \ 29 (((tab)[(bn)/8]) &= ~(1<<(7-((bn)&7)))) 30 31 /* Maximum number of blocks for the copy buffers */ 32 #define BLOCK_MAX_BUFF 256 33 /* Maximum size of the copy buffers, in bytes */ 34 #define BYTES_MAX_BUFF 8388608 35 36 /* Apple Creator Codes follow */ 37 #define HFSP_IMPL_Shnk 0x53686e6b /* in use */ 38 #define HFSP_IMPL_Xpnd 0x58706e64 /* reserved */ 39 #define HFSP_IMPL_Resz 0x5265737a /* reserved */ 40 #define HFSP_IMPL_PHpx 0x50482b78 /* reserved */ 41 #define HFSP_IMPL_traP 0x74726150 /* reserved */ 42 #define HFSP_IMPL_GnuP 0x476e7550 /* reserved */ 43 44 #define HFS_SIGNATURE 0x4244 /* 'BD' */ 45 #define HFSP_SIGNATURE 0x482B /* 'H+' */ 46 #define HFSX_SIGNATURE 0x4858 /* 'HX' */ 47 48 #define HFSP_VERSION 4 49 #define HFSX_VERSION 5 50 51 #define HFS_HARD_LOCK 7 52 #define HFS_UNMOUNTED 8 53 #define HFS_BAD_SPARED 9 54 #define HFS_SOFT_LOCK 15 55 #define HFSP_NO_CACHE 10 56 #define HFSP_INCONSISTENT 11 57 #define HFSP_REUSE_CNID 12 58 #define HFSP_JOURNALED 13 59 60 #define HFS_IDX_NODE 0x00 61 #define HFS_HDR_NODE 0x01 62 #define HFS_MAP_NODE 0x02 63 #define HFS_LEAF_NODE 0xFF 64 65 #define HFS_FIRST_REC 0x0E 66 #define HFS_NSD_HD_REC 0x78 67 #define HFS_MAP_REC 0xF8 68 69 #define HFS_DATA_FORK 0x00 70 #define HFS_RES_FORK 0xFF 71 72 #define HFS_CAT_DIR 0x01 73 #define HFS_CAT_FILE 0x02 74 #define HFS_CAT_DIR_TH 0x03 75 #define HFS_CAT_FILE_TH 0x04 76 77 #define HFSP_ATTR_INLINE 0x10 78 #define HFSP_ATTR_FORK 0x20 79 #define HFSP_ATTR_EXTENTS 0x30 80 81 #define HFS_ROOT_PAR_ID 0x01 82 #define HFS_ROOT_DIR_ID 0x02 83 #define HFS_XTENT_ID 0x03 84 #define HFS_CATALOG_ID 0x04 85 #define HFS_BAD_BLOCK_ID 0x05 86 #define HFSP_ALLOC_ID 0x06 87 #define HFSP_STARTUP_ID 0x07 88 #define HFSP_ATTRIB_ID 0x08 89 #define HFSP_BOGUS_ID 0x0F 90 #define HFSP_FIRST_AV_ID 0x10 91 92 #define HFSJ_JOURN_IN_FS 0x00 93 #define HFSJ_JOURN_OTHER_DEV 0x01 94 #define HFSJ_JOURN_NEED_INIT 0x02 95 96 #define HFSJ_HEADER_MAGIC 0x4a4e4c78 97 #define HFSJ_ENDIAN_MAGIC 0x12345678 98 99 #define HFSX_CASE_FOLDING 0xCF /* case insensitive HFSX */ 100 #define HFSX_BINARY_COMPARE 0xBC /* case sensitive HFSX */ 101 102 #define HFS_EXT_NB 3 103 #define HFSP_EXT_NB 8 104 105 /* Define the filenames used by the FS extractor */ 106 #ifdef HFS_EXTRACT_FS 107 108 #define HFS_MDB_FILENAME "mdb.hfs" 109 #define HFS_CATALOG_FILENAME "catalog.hfs" 110 #define HFS_EXTENTS_FILENAME "extents.hfs" 111 #define HFS_BITMAP_FILENAME "bitmap.hfs" 112 113 #define HFSP_VH_FILENAME "vh.hfsplus" 114 #define HFSP_CATALOG_FILENAME "catalog.hfsplus" 115 #define HFSP_EXTENTS_FILENAME "extents.hfsplus" 116 #define HFSP_BITMAP_FILENAME "bitmap.hfsplus" 117 #define HFSP_ATTRIB_FILENAME "attributes.hfsplus" 118 #define HFSP_STARTUP_FILENAME "startup.hfsplus" 119 120 #endif /* HFS_EXTRACT_FS */ 121 122 123 124 /* ----------------------------------- */ 125 /* -- HFS DATA STRUCTURES -- */ 126 /* ----------------------------------- */ 127 128 #ifdef __sun 129 #define __attribute__(X) /*nothing*/ 130 #endif /* __sun */ 131 132 /* Extent descriptor */ 133 #ifdef __sun 134 #pragma pack(1) 135 #endif 136 struct __attribute__ ((packed)) _HfsExtDescriptor { 137 uint16_t start_block; 138 uint16_t block_count; 139 }; 140 #ifdef __sun 141 #pragma pack() 142 #endif 143 typedef struct _HfsExtDescriptor HfsExtDescriptor; 144 typedef HfsExtDescriptor HfsExtDataRec[HFS_EXT_NB]; 145 146 /* Volume header */ 147 #ifdef __sun 148 #pragma pack(1) 149 #endif 150 struct __attribute__ ((packed)) _HfsMasterDirectoryBlock { 151 uint16_t signature; 152 uint32_t create_date; 153 uint32_t modify_date; 154 uint16_t volume_attributes; 155 uint16_t files_in_root; 156 uint16_t volume_bitmap_block; /* in sectors */ 157 uint16_t next_allocation; 158 uint16_t total_blocks; 159 uint32_t block_size; /* in bytes */ 160 uint32_t def_clump_size; /* in bytes */ 161 uint16_t start_block; /* in sectors */ 162 uint32_t next_free_node; 163 uint16_t free_blocks; 164 uint8_t name_length; 165 char name[27]; 166 uint32_t backup_date; 167 uint16_t backup_number; 168 uint32_t write_count; 169 uint32_t extents_clump; 170 uint32_t catalog_clump; 171 uint16_t dirs_in_root; 172 uint32_t file_count; 173 uint32_t dir_count; 174 uint32_t finder_info[8]; 175 union __attribute__ ((packed)) { 176 struct __attribute__ ((packed)) { 177 uint16_t volume_cache_size; /* in blocks */ 178 uint16_t bitmap_cache_size; /* in blocks */ 179 uint16_t common_cache_size; /* in blocks */ 180 } legacy; 181 struct __attribute__ ((packed)) { 182 uint16_t signature; 183 HfsExtDescriptor location; 184 } embedded; 185 } old_new; 186 uint32_t extents_file_size; /* in bytes, block size multiple */ 187 HfsExtDataRec extents_file_rec; 188 uint32_t catalog_file_size; /* in bytes, block size multiple */ 189 HfsExtDataRec catalog_file_rec; 190 }; 191 #ifdef __sun 192 #pragma pack() 193 #endif 194 typedef struct _HfsMasterDirectoryBlock HfsMasterDirectoryBlock; 195 196 /* B*-Tree Node Descriptor */ 197 #ifdef __sun 198 #pragma pack(1) 199 #endif 200 struct __attribute__ ((packed)) _HfsNodeDescriptor { 201 uint32_t next; 202 uint32_t previous; 203 int8_t type; 204 uint8_t height; 205 uint16_t rec_nb; 206 uint16_t reserved; 207 }; 208 #ifdef __sun 209 #pragma pack() 210 #endif 211 typedef struct _HfsNodeDescriptor HfsNodeDescriptor; 212 213 /* Header record of a whole B*-Tree */ 214 #ifdef __sun 215 #pragma pack(1) 216 #endif 217 struct __attribute__ ((packed)) _HfsHeaderRecord { 218 uint16_t depth; 219 uint32_t root_node; 220 uint32_t leaf_records; 221 uint32_t first_leaf_node; 222 uint32_t last_leaf_node; 223 uint16_t node_size; 224 uint16_t max_key_len; 225 uint32_t total_nodes; 226 uint32_t free_nodes; 227 int8_t reserved[76]; 228 }; 229 #ifdef __sun 230 #pragma pack() 231 #endif 232 typedef struct _HfsHeaderRecord HfsHeaderRecord; 233 234 /* Catalog key for B*-Tree lookup in the catalog file */ 235 #ifdef __sun 236 #pragma pack(1) 237 #endif 238 struct __attribute__ ((packed)) _HfsCatalogKey { 239 uint8_t key_length; /* length of the key without key_length */ 240 uint8_t reserved; 241 uint32_t parent_ID; 242 uint8_t name_length; 243 char name[31]; /* in fact physicaly 1 upto 31 */ 244 }; 245 #ifdef __sun 246 #pragma pack() 247 #endif 248 typedef struct _HfsCatalogKey HfsCatalogKey; 249 250 /* Extents overflow key for B*-Tree lookup */ 251 #ifdef __sun 252 #pragma pack(1) 253 #endif 254 struct __attribute__ ((packed)) _HfsExtentKey { 255 uint8_t key_length; /* length of the key without key_length */ 256 uint8_t type; /* data or ressource fork */ 257 uint32_t file_ID; 258 uint16_t start; 259 }; 260 #ifdef __sun 261 #pragma pack() 262 #endif 263 typedef struct _HfsExtentKey HfsExtentKey; 264 265 /* Catalog subdata case directory */ 266 #ifdef __sun 267 #pragma pack(1) 268 #endif 269 struct __attribute__ ((packed)) _HfsDir { 270 uint16_t flags; 271 uint16_t valence; /* number of files in this directory */ 272 uint32_t dir_ID; 273 uint32_t create_date; 274 uint32_t modify_date; 275 uint32_t backup_date; 276 int8_t DInfo[16]; /* used by Finder, handle as reserved */ 277 int8_t DXInfo[16]; /* used by Finder, handle as reserved */ 278 uint32_t reserved[4]; 279 }; 280 #ifdef __sun 281 #pragma pack() 282 #endif 283 typedef struct _HfsDir HfsDir; 284 285 /* Catalog subdata case file */ 286 #ifdef __sun 287 #pragma pack(1) 288 #endif 289 struct __attribute__ ((packed)) _HfsFile { 290 int8_t flags; 291 int8_t type; /* should be 0 */ 292 int8_t FInfo[16]; /* used by Finder, handle as reserved */ 293 uint32_t file_ID; 294 uint16_t data_start_block; 295 uint32_t data_sz_byte; 296 uint32_t data_sz_block; 297 uint16_t res_start_block; 298 uint32_t res_sz_byte; 299 uint32_t res_sz_block; 300 uint32_t create_date; 301 uint32_t modify_date; 302 uint32_t backup_date; 303 int8_t FXInfo[16]; /* used by Finder, handle as reserved */ 304 uint16_t clump_size; 305 HfsExtDataRec extents_data; 306 HfsExtDataRec extents_res; 307 uint32_t reserved; 308 }; 309 #ifdef __sun 310 #pragma pack() 311 #endif 312 typedef struct _HfsFile HfsFile; 313 314 /* Catalog subdata case directory thread */ 315 #ifdef __sun 316 #pragma pack(1) 317 #endif 318 struct __attribute__ ((packed)) _HfsDirTh { 319 uint32_t reserved[2]; 320 uint32_t parent_ID; 321 int8_t name_length; 322 char name[31]; 323 }; 324 #ifdef __sun 325 #pragma pack() 326 #endif 327 typedef struct _HfsDirTh HfsDirTh; 328 329 /* Catalog subdata case file thread */ 330 typedef struct _HfsDirTh HfsFileTh; /* same as directory thread */ 331 332 /* Catalog data */ 333 #ifdef __sun 334 #pragma pack(1) 335 #endif 336 struct __attribute__ ((packed)) _HfsCatalog { 337 int8_t type; 338 int8_t reserved; 339 union { 340 HfsDir dir; 341 HfsFile file; 342 HfsDirTh dir_th; 343 HfsFileTh file_th; 344 } sel; 345 }; 346 #ifdef __sun 347 #pragma pack() 348 #endif 349 typedef struct _HfsCatalog HfsCatalog; 350 351 352 353 /* ------------------------------------ */ 354 /* -- HFS+ DATA STRUCTURES -- */ 355 /* ------------------------------------ */ 356 357 /* documented since 2004 in tn1150 */ 358 #ifdef __sun 359 #pragma pack(1) 360 #endif 361 struct __attribute__ ((packed)) _HfsPPerms { 362 uint32_t owner_ID; 363 uint32_t group_ID; 364 uint32_t permissions; 365 uint32_t special_devices; 366 }; 367 #ifdef __sun 368 #pragma pack() 369 #endif 370 typedef struct _HfsPPerms HfsPPerms; 371 372 /* HFS+ extent descriptor*/ 373 #ifdef __sun 374 #pragma pack(1) 375 #endif 376 struct __attribute__ ((packed)) _HfsPExtDescriptor { 377 uint32_t start_block; 378 uint32_t block_count; 379 }; 380 #ifdef __sun 381 #pragma pack() 382 #endif 383 typedef struct _HfsPExtDescriptor HfsPExtDescriptor; 384 typedef HfsPExtDescriptor HfsPExtDataRec[HFSP_EXT_NB]; 385 386 /* HFS+ fork data structure */ 387 #ifdef __sun 388 #pragma pack(1) 389 #endif 390 struct __attribute__ ((packed)) _HfsPForkData { 391 uint64_t logical_size; 392 uint32_t clump_size; 393 uint32_t total_blocks; 394 HfsPExtDataRec extents; 395 }; 396 #ifdef __sun 397 #pragma pack() 398 #endif 399 typedef struct _HfsPForkData HfsPForkData; 400 401 /* HFS+ catalog node ID */ 402 typedef uint32_t HfsPNodeID; 403 404 /* HFS+ file names */ 405 typedef uint16_t unichar; 406 #ifdef __sun 407 #pragma pack(1) 408 #endif 409 struct __attribute__ ((packed)) _HfsPUniStr255 { 410 uint16_t length; 411 unichar unicode[255]; /* 1 upto 255 */ 412 }; 413 #ifdef __sun 414 #pragma pack() 415 #endif 416 typedef struct _HfsPUniStr255 HfsPUniStr255; 417 418 /* HFS+ volume header */ 419 #ifdef __sun 420 #pragma pack(1) 421 #endif 422 struct __attribute__ ((packed)) _HfsPVolumeHeader { 423 uint16_t signature; 424 uint16_t version; 425 uint32_t attributes; 426 uint32_t last_mounted_version; 427 uint32_t journal_info_block; 428 429 uint32_t create_date; 430 uint32_t modify_date; 431 uint32_t backup_date; 432 uint32_t checked_date; 433 434 uint32_t file_count; 435 uint32_t dir_count; 436 437 uint32_t block_size; 438 uint32_t total_blocks; 439 uint32_t free_blocks; 440 441 uint32_t next_allocation; 442 uint32_t res_clump_size; 443 uint32_t data_clump_size; 444 HfsPNodeID next_catalog_ID; 445 446 uint32_t write_count; 447 uint64_t encodings_bitmap; 448 449 uint8_t finder_info[32]; 450 451 HfsPForkData allocation_file; 452 HfsPForkData extents_file; 453 HfsPForkData catalog_file; 454 HfsPForkData attributes_file; 455 HfsPForkData startup_file; 456 }; 457 #ifdef __sun 458 #pragma pack() 459 #endif 460 typedef struct _HfsPVolumeHeader HfsPVolumeHeader; 461 462 /* HFS+ B-Tree Node Descriptor. Same as HFS btree. */ 463 #ifdef __sun 464 #pragma pack(1) 465 #endif 466 struct __attribute__ ((packed)) _HfsPNodeDescriptor { 467 uint32_t next; 468 uint32_t previous; 469 int8_t type; 470 uint8_t height; 471 uint16_t rec_nb; 472 uint16_t reserved; 473 }; 474 #ifdef __sun 475 #pragma pack() 476 #endif 477 typedef struct _HfsPNodeDescriptor HfsPNodeDescriptor; 478 479 /* Header record of a whole HFS+ B-Tree. */ 480 #ifdef __sun 481 #pragma pack(1) 482 #endif 483 struct __attribute__ ((packed)) _HfsPHeaderRecord { 484 uint16_t depth; 485 uint32_t root_node; 486 uint32_t leaf_records; 487 uint32_t first_leaf_node; 488 uint32_t last_leaf_node; 489 uint16_t node_size; 490 uint16_t max_key_len; 491 uint32_t total_nodes; 492 uint32_t free_nodes; /* same as hfs btree until here */ 493 uint16_t reserved1; 494 495 uint32_t clump_size; 496 uint8_t btree_type; /* must be 0 for HFS+ B-Tree */ 497 uint8_t key_compare_type; /* hfsx => 0xCF = case folding */ 498 /* 0xBC = binary compare */ 499 /* otherwise, reserved */ 500 uint32_t attributes; 501 uint32_t reserved3[16]; 502 }; 503 #ifdef __sun 504 #pragma pack() 505 #endif 506 typedef struct _HfsPHeaderRecord HfsPHeaderRecord; 507 508 /* Catalog key for B-Tree lookup in the HFS+ catalog file */ 509 #ifdef __sun 510 #pragma pack(1) 511 #endif 512 struct __attribute__ ((packed)) _HfsPCatalogKey { 513 uint16_t key_length; 514 HfsPNodeID parent_ID; 515 HfsPUniStr255 node_name; 516 }; 517 #ifdef __sun 518 #pragma pack() 519 #endif 520 typedef struct _HfsPCatalogKey HfsPCatalogKey; 521 522 /* HFS+ catalog subdata case dir */ 523 #ifdef __sun 524 #pragma pack(1) 525 #endif 526 struct __attribute__ ((packed)) _HfsPDir { 527 uint16_t flags; 528 uint32_t valence; 529 HfsPNodeID dir_ID; 530 uint32_t create_date; 531 uint32_t modify_date; 532 uint32_t attrib_mod_date; 533 uint32_t access_date; 534 uint32_t backup_date; 535 HfsPPerms permissions; 536 int8_t DInfo[16]; /* used by Finder, handle as reserved */ 537 int8_t DXInfo[16]; /* used by Finder, handle as reserved */ 538 uint32_t text_encoding; 539 uint32_t reserved; 540 }; 541 #ifdef __sun 542 #pragma pack() 543 #endif 544 typedef struct _HfsPDir HfsPDir; 545 546 /* HFS+ catalog subdata case file */ 547 #ifdef __sun 548 #pragma pack(1) 549 #endif 550 struct __attribute__ ((packed)) _HfsPFile { 551 uint16_t flags; 552 uint32_t reserved1; 553 HfsPNodeID file_ID; 554 uint32_t create_date; 555 uint32_t modify_date; 556 uint32_t attrib_mod_date; 557 uint32_t access_date; 558 uint32_t backup_date; 559 HfsPPerms permissions; 560 int8_t FInfo[16]; /* used by Finder, handle as reserved */ 561 int8_t FXInfo[16]; /* used by Finder, handle as reserved */ 562 uint32_t text_encoding; 563 uint32_t reserved2; 564 565 HfsPForkData data_fork; 566 HfsPForkData res_fork; 567 }; 568 #ifdef __sun 569 #pragma pack() 570 #endif 571 typedef struct _HfsPFile HfsPFile; 572 573 /* HFS+ catalog subdata case thread */ 574 #ifdef __sun 575 #pragma pack(1) 576 #endif 577 struct __attribute__ ((packed)) _HfsPThread { 578 int16_t reserved; 579 HfsPNodeID parent_ID; 580 HfsPUniStr255 node_name; 581 }; 582 #ifdef __sun 583 #pragma pack() 584 #endif 585 typedef struct _HfsPThread HfsPDirTh; 586 typedef struct _HfsPThread HfsPFileTh; 587 588 /* HFS+ Catalog leaf data */ 589 #ifdef __sun 590 #pragma pack(1) 591 #endif 592 struct __attribute__ ((packed)) _HfsPCatalog { 593 int16_t type; 594 union { 595 HfsPDir dir; 596 HfsPFile file; 597 HfsPDirTh dir_th; 598 HfsPFileTh file_th; 599 } sel; 600 }; 601 #ifdef __sun 602 #pragma pack() 603 #endif 604 typedef struct _HfsPCatalog HfsPCatalog; 605 606 /* HFS+ extents file key */ 607 #ifdef __sun 608 #pragma pack(1) 609 #endif 610 struct __attribute__ ((packed)) _HfsPExtentKey { 611 uint16_t key_length; 612 uint8_t type; 613 uint8_t pad; 614 HfsPNodeID file_ID; 615 uint32_t start; 616 }; 617 #ifdef __sun 618 #pragma pack() 619 #endif 620 typedef struct _HfsPExtentKey HfsPExtentKey; 621 622 /* extent file data is HfsPExtDataRec */ 623 624 /* Fork data attribute file */ 625 #ifdef __sun 626 #pragma pack(1) 627 #endif 628 struct __attribute__ ((packed)) _HfsPForkDataAttr { 629 uint32_t record_type; 630 uint32_t reserved; 631 union __attribute__ ((packed)) { 632 HfsPForkData fork; 633 HfsPExtDataRec extents; 634 } fork_res; 635 }; 636 #ifdef __sun 637 #pragma pack() 638 #endif 639 typedef struct _HfsPForkDataAttr HfsPForkDataAttr; 640 641 642 /* ----------- Journal data structures ----------- */ 643 644 /* Info block : stored in a block # defined in the VH */ 645 #ifdef __sun 646 #pragma pack(1) 647 #endif 648 struct __attribute__ ((packed)) _HfsJJournalInfoBlock { 649 uint32_t flags; 650 uint32_t device_signature[8]; 651 uint64_t offset; 652 uint64_t size; 653 uint32_t reserved[32]; 654 }; 655 #ifdef __sun 656 #pragma pack() 657 #endif 658 typedef struct _HfsJJournalInfoBlock HfsJJournalInfoBlock; 659 660 #ifdef __sun 661 #pragma pack(1) 662 #endif 663 struct __attribute__ ((packed)) _HfsJJournalHeader { 664 uint32_t magic; 665 uint32_t endian; 666 uint64_t start; 667 uint64_t end; 668 uint64_t size; 669 uint32_t blhdr_size; 670 uint32_t checksum; 671 uint32_t jhdr_size; 672 }; 673 #ifdef __sun 674 #pragma pack() 675 #endif 676 typedef struct _HfsJJournalHeader HfsJJournalHeader; 677 678 #ifdef __sun 679 #pragma pack(1) 680 #endif 681 struct __attribute__ ((packed)) _HfsJBlockInfo { 682 uint64_t bnum; /* sector number */ 683 uint32_t bsize; /* size in bytes */ 684 uint32_t next; 685 }; 686 #ifdef __sun 687 #pragma pack() 688 #endif 689 typedef struct _HfsJBlockInfo HfsJBlockInfo; 690 691 #ifdef __sun 692 #pragma pack(1) 693 #endif 694 struct __attribute__ ((packed)) _HfsJBlockListHeader { 695 uint16_t max_blocks; /* reserved */ 696 uint16_t num_blocks; 697 uint32_t bytes_used; 698 uint32_t checksum; 699 uint32_t pad; 700 HfsJBlockInfo binfo[1]; 701 }; 702 #ifdef __sun 703 #pragma pack() 704 #endif 705 typedef struct _HfsJBlockListHeader HfsJBlockListHeader; 706 707 708 /* ---------------------------------------- */ 709 /* -- INTERNAL DATA STRUCTURES -- */ 710 /* ---------------------------------------- */ 711 712 /* Data of an opened HFS file */ 713 struct _HfsPrivateFile { 714 PedSector sect_nb; 715 PedFileSystem* fs; 716 uint32_t CNID; /* disk order (BE) */ 717 HfsExtDataRec first; /* disk order (BE) */ 718 HfsExtDataRec cache; /* disk order (BE) */ 719 uint16_t start_cache; /* CPU order */ 720 }; 721 typedef struct _HfsPrivateFile HfsPrivateFile; 722 723 /* To store bad block list */ 724 struct _HfsPrivateLinkExtent { 725 HfsExtDescriptor extent; 726 struct _HfsPrivateLinkExtent* next; 727 }; 728 typedef struct _HfsPrivateLinkExtent HfsPrivateLinkExtent; 729 730 /* HFS Filesystem specific data */ 731 struct _HfsPrivateFSData { 732 uint8_t alloc_map[(1<<16) / 8]; 733 HfsMasterDirectoryBlock* mdb; 734 HfsPrivateFile* extent_file; 735 HfsPrivateFile* catalog_file; 736 HfsPrivateLinkExtent* bad_blocks_xtent_list; 737 unsigned int bad_blocks_xtent_nb; 738 char bad_blocks_loaded; 739 }; 740 typedef struct _HfsPrivateFSData HfsPrivateFSData; 741 742 /* Generic btree key */ 743 #ifdef __sun 744 #pragma pack(1) 745 #endif 746 struct __attribute__ ((packed)) _HfsPrivateGenericKey { 747 uint8_t key_length; 748 uint8_t key_content[1]; /* we use 1 as a minimum size */ 749 }; 750 #ifdef __sun 751 #pragma pack() 752 #endif 753 typedef struct _HfsPrivateGenericKey HfsPrivateGenericKey; 754 755 /* ----- HFS+ ----- */ 756 757 /* Data of an opened HFS file */ 758 struct _HfsPPrivateFile { 759 PedSector sect_nb; 760 PedFileSystem* fs; 761 HfsPNodeID CNID; /* disk order (BE) */ 762 HfsPExtDataRec first; /* disk order (BE) */ 763 HfsPExtDataRec cache; /* disk order (BE) */ 764 uint32_t start_cache; /* CPU order */ 765 }; 766 typedef struct _HfsPPrivateFile HfsPPrivateFile; 767 768 struct _HfsPPrivateExtent { 769 PedSector start_sector; 770 PedSector sector_count; 771 }; 772 typedef struct _HfsPPrivateExtent HfsPPrivateExtent; 773 774 /* To store bad block list */ 775 struct _HfsPPrivateLinkExtent { 776 HfsPExtDescriptor extent; 777 struct _HfsPPrivateLinkExtent* next; 778 }; 779 typedef struct _HfsPPrivateLinkExtent HfsPPrivateLinkExtent; 780 781 /* HFS+ file system specific data */ 782 struct _HfsPPrivateFSData { 783 PedFileSystem* wrapper; /* NULL if hfs+ is not embedded */ 784 PedGeometry* plus_geom; /* Geometry of HFS+ _volume_ */ 785 uint8_t* alloc_map; 786 uint8_t* dirty_alloc_map; 787 HfsPVolumeHeader* vh; 788 HfsPPrivateFile* extents_file; 789 HfsPPrivateFile* catalog_file; 790 HfsPPrivateFile* attributes_file; 791 HfsPPrivateFile* allocation_file; 792 HfsPPrivateLinkExtent* bad_blocks_xtent_list; 793 uint32_t jib_start_block; 794 uint32_t jl_start_block; 795 unsigned int bad_blocks_xtent_nb; 796 char bad_blocks_loaded; 797 char free_geom; /* 1 = plus_geom must be freed */ 798 }; 799 typedef struct _HfsPPrivateFSData HfsPPrivateFSData; 800 801 /* Generic + btree key */ 802 #ifdef __sun 803 #pragma pack(1) 804 #endif 805 struct __attribute__ ((packed)) _HfsPPrivateGenericKey { 806 uint16_t key_length; 807 uint8_t key_content[1]; /* we use 1 as a minimum size */ 808 }; 809 #ifdef __sun 810 #pragma pack() 811 #endif 812 typedef struct _HfsPPrivateGenericKey HfsPPrivateGenericKey; 813 814 /* ---- common ---- */ 815 816 /* node and lead record reference for a BTree search */ 817 struct _HfsCPrivateLeafRec { 818 unsigned int node_size; /* in sectors */ 819 unsigned int node_number; 820 unsigned int record_pos; 821 unsigned int record_number; 822 }; 823 typedef struct _HfsCPrivateLeafRec HfsCPrivateLeafRec; 824 825 extern uint8_t* hfs_block; 826 extern uint8_t* hfsp_block; 827 extern unsigned hfs_block_count; 828 extern unsigned hfsp_block_count; 829 830 #endif /* _HFS_H */ 831