libhfs.h revision 1.4
1 /* $NetBSD: libhfs.h,v 1.4 2008/09/03 22:56:51 gmcgarry Exp $ */ 2 3 /*- 4 * Copyright (c) 2005, 2007 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Yevgeny Binder, Dieter Baron, and Pelle Johansson. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifndef _FS_HFS_LIBHFS_H_ 33 #define _FS_HFS_LIBHFS_H_ 34 35 #include <sys/endian.h> 36 #include <sys/param.h> 37 #include <sys/mount.h> /* needs to go after sys/param.h or compile fails */ 38 #include <sys/types.h> 39 #if defined(_KERNEL) 40 #include <sys/kernel.h> 41 #include <sys/systm.h> 42 #include <machine/stdarg.h> 43 #include <sys/fcntl.h> 44 #endif /* defined(_KERNEL) */ 45 46 #if !defined(_KERNEL) && !defined(STANDALONE) 47 #include <fcntl.h> 48 #include <iconv.h> 49 #include <stdarg.h> 50 #include <stdint.h> 51 #include <stdio.h> 52 #include <stdlib.h> 53 #include <unistd.h> 54 #endif /* !defined(_KERNEL) && !defined(STANDALONE) */ 55 56 #ifndef va_list 57 #define va_list _BSD_VA_LIST_ 58 #endif /* !va_list */ 59 60 #define max(A,B) ((A) > (B) ? (A):(B)) 61 #define min(A,B) ((A) < (B) ? (A):(B)) 62 63 64 /* Macros to handle errors in this library. Not recommended outside libhfs.c */ 65 #ifdef __PCC__ 66 #define HFS_LIBERR(format, ...) \ 67 do{ hfslib_error(format, __FILE__, __LINE__); \ 68 goto error; } while(/*CONSTCOND*/ 0) 69 #else 70 #define HFS_LIBERR(format, ...) \ 71 do{ hfslib_error(format, __FILE__, __LINE__, ##__VA_ARGS__); \ 72 goto error; } while(/*CONSTCOND*/ 0) 73 #endif 74 75 #if 0 76 #pragma mark Constants (on-disk) 77 #endif 78 79 80 enum 81 { 82 HFS_SIG_HFSP = 0x482B, /* 'H+' */ 83 HFS_SIG_HFSX = 0x4858, /* 'HX' */ 84 HFS_SIG_HFS = 0x4244 /* 'BD' */ 85 }; /* volume signatures */ 86 87 typedef enum 88 { 89 /* bits 0-6 are reserved */ 90 HFS_VOL_HWLOCK = 7, 91 HFS_VOL_UNMOUNTED = 8, 92 HFS_VOL_BADBLOCKS = 9, 93 HFS_VOL_NOCACHE = 10, 94 HFS_VOL_DIRTY = 11, 95 HFS_VOL_CNIDS_RECYCLED = 12, 96 HFS_VOL_JOURNALED = 13, 97 /* bit 14 is reserved */ 98 HFS_VOL_SWLOCK = 15 99 /* bits 16-31 are reserved */ 100 } hfs_volume_attribute_bit; /* volume header attribute bits */ 101 102 typedef enum 103 { 104 HFS_LEAFNODE = -1, 105 HFS_INDEXNODE = 0, 106 HFS_HEADERNODE = 1, 107 HFS_MAPNODE = 2 108 } hfs_node_kind; /* btree node kinds */ 109 110 enum 111 { 112 HFS_BAD_CLOSE_MASK = 0x00000001, 113 HFS_BIG_KEYS_MASK = 0x00000002, 114 HFS_VAR_INDEX_KEYS_MASK = 0x00000004 115 }; /* btree header attribute masks */ 116 117 typedef enum 118 { 119 HFS_CNID_ROOT_PARENT = 1, 120 HFS_CNID_ROOT_FOLDER = 2, 121 HFS_CNID_EXTENTS = 3, 122 HFS_CNID_CATALOG = 4, 123 HFS_CNID_BADBLOCKS = 5, 124 HFS_CNID_ALLOCATION = 6, 125 HFS_CNID_STARTUP = 7, 126 HFS_CNID_ATTRIBUTES = 8, 127 /* CNIDs 9-13 are reserved */ 128 HFS_CNID_REPAIR = 14, 129 HFS_CNID_TEMP = 15, 130 HFS_CNID_USER = 16 131 } hfs_special_cnid; /* special CNID values */ 132 133 typedef enum 134 { 135 HFS_REC_FLDR = 0x0001, 136 HFS_REC_FILE = 0x0002, 137 HFS_REC_FLDR_THREAD = 0x0003, 138 HFS_REC_FILE_THREAD = 0x0004 139 } hfs_catalog_rec_kind; /* catalog record types */ 140 141 enum 142 { 143 HFS_JOURNAL_ON_DISK_MASK = 0x00000001, /* journal on same volume */ 144 HFS_JOURNAL_ON_OTHER_MASK = 0x00000002, /* journal elsewhere */ 145 HFS_JOURNAL_NEEDS_INIT_MASK = 0x00000004 146 }; /* journal flag masks */ 147 148 enum 149 { 150 HFS_JOURNAL_HEADER_MAGIC = 0x4a4e4c78, 151 HFS_JOURNAL_ENDIAN_MAGIC = 0x12345678 152 }; /* journal magic numbers */ 153 154 enum 155 { 156 HFS_DATAFORK = 0x00, 157 HFS_RSRCFORK = 0xFF 158 }; /* common fork types */ 159 160 enum 161 { 162 HFS_KEY_CASEFOLD = 0xCF, 163 HFS_KEY_BINARY = 0XBC 164 }; /* catalog key comparison method types */ 165 166 enum 167 { 168 HFS_MIN_CAT_KEY_LEN = 6, 169 HFS_MAX_CAT_KEY_LEN = 516, 170 HFS_MAX_EXT_KEY_LEN = 10 171 }; 172 173 enum { 174 HFS_HARD_LINK_FILE_TYPE = 0x686C6E6B, /* 'hlnk' */ 175 HFS_HFSLUS_CREATOR = 0x6866732B /* 'hfs+' */ 176 }; 177 178 179 #if 0 180 #pragma mark - 181 #pragma mark Constants (custom) 182 #endif 183 184 185 /* number of bytes between start of volume and volume header */ 186 #define HFS_VOLUME_HEAD_RESERVE_SIZE 1024 187 188 typedef enum 189 { 190 HFS_CATALOG_FILE = 1, 191 HFS_EXTENTS_FILE = 2, 192 HFS_ATTRIBUTES_FILE = 3 193 } hfs_btree_file_type; /* btree file kinds */ 194 195 196 #if 0 197 #pragma mark - 198 #pragma mark On-Disk Types (Mac OS specific) 199 #endif 200 201 typedef uint32_t hfs_macos_type_code; /* four 1-byte char field */ 202 203 typedef struct 204 { 205 int16_t v; 206 int16_t h; 207 } hfs_macos_point_t; 208 209 typedef struct 210 { 211 int16_t t; /* top */ 212 int16_t l; /* left */ 213 int16_t b; /* bottom */ 214 int16_t r; /* right */ 215 } hfs_macos_rect_t; 216 217 typedef struct 218 { 219 hfs_macos_type_code file_type; 220 hfs_macos_type_code file_creator; 221 uint16_t finder_flags; 222 hfs_macos_point_t location; 223 uint16_t reserved; 224 } hfs_macos_file_info_t; 225 226 typedef struct 227 { 228 int16_t reserved[4]; 229 uint16_t extended_finder_flags; 230 int16_t reserved2; 231 int32_t put_away_folder_cnid; 232 } hfs_macos_extended_file_info_t; 233 234 typedef struct 235 { 236 hfs_macos_rect_t window_bounds; 237 uint16_t finder_flags; 238 hfs_macos_point_t location; 239 uint16_t reserved; 240 } hfs_macos_folder_info_t; 241 242 typedef struct 243 { 244 hfs_macos_point_t scroll_position; 245 int32_t reserved; 246 uint16_t extended_finder_flags; 247 int16_t reserved2; 248 int32_t put_away_folder_cnid; 249 } hfs_macos_extended_folder_info_t; 250 251 252 #if 0 253 #pragma mark - 254 #pragma mark On-Disk Types 255 #endif 256 257 typedef uint16_t unichar_t; 258 259 typedef uint32_t hfs_cnid_t; 260 261 262 typedef struct 263 { 264 uint16_t length; 265 unichar_t unicode[255]; 266 } hfs_unistr255_t; 267 268 typedef struct 269 { 270 uint32_t start_block; 271 uint32_t block_count; 272 } hfs_extent_descriptor_t; 273 274 typedef hfs_extent_descriptor_t hfs_extent_record_t[8]; 275 276 typedef struct hfs_fork_t 277 { 278 uint64_t logical_size; 279 uint32_t clump_size; 280 uint32_t total_blocks; 281 hfs_extent_record_t extents; 282 } hfs_fork_t; 283 284 typedef struct 285 { 286 uint16_t signature; 287 uint16_t version; 288 uint32_t attributes; 289 uint32_t last_mounting_version; 290 uint32_t journal_info_block; 291 292 uint32_t date_created; 293 uint32_t date_modified; 294 uint32_t date_backedup; 295 uint32_t date_checked; 296 297 uint32_t file_count; 298 uint32_t folder_count; 299 300 uint32_t block_size; 301 uint32_t total_blocks; 302 uint32_t free_blocks; 303 304 uint32_t next_alloc_block; 305 uint32_t rsrc_clump_size; 306 uint32_t data_clump_size; 307 hfs_cnid_t next_cnid; 308 309 uint32_t write_count; 310 uint64_t encodings; 311 312 uint32_t finder_info[8]; 313 314 hfs_fork_t allocation_file; 315 hfs_fork_t extents_file; 316 hfs_fork_t catalog_file; 317 hfs_fork_t attributes_file; 318 hfs_fork_t startup_file; 319 } hfs_volume_header_t; 320 321 typedef struct 322 { 323 uint32_t flink; 324 uint32_t blink; 325 int8_t kind; 326 uint8_t height; 327 uint16_t num_recs; 328 uint16_t reserved; 329 } hfs_node_descriptor_t; 330 331 typedef struct 332 { 333 uint16_t tree_depth; 334 uint32_t root_node; 335 uint32_t leaf_recs; 336 uint32_t first_leaf; 337 uint32_t last_leaf; 338 uint16_t node_size; 339 uint16_t max_key_len; 340 uint32_t total_nodes; 341 uint32_t free_nodes; 342 uint16_t reserved; 343 uint32_t clump_size; /* misaligned */ 344 uint8_t btree_type; 345 uint8_t keycomp_type; 346 uint32_t attributes; /* long aligned again */ 347 uint32_t reserved2[16]; 348 } hfs_header_record_t; 349 350 typedef struct 351 { 352 uint16_t key_len; 353 hfs_cnid_t parent_cnid; 354 hfs_unistr255_t name; 355 } hfs_catalog_key_t; 356 357 typedef struct 358 { 359 uint16_t key_length; 360 uint8_t fork_type; 361 uint8_t padding; 362 hfs_cnid_t file_cnid; 363 uint32_t start_block; 364 } hfs_extent_key_t; 365 366 typedef struct 367 { 368 uint32_t owner_id; 369 uint32_t group_id; 370 uint8_t admin_flags; 371 uint8_t owner_flags; 372 uint16_t file_mode; 373 union 374 { 375 uint32_t inode_num; 376 uint32_t link_count; 377 uint32_t raw_device; 378 } special; 379 } hfs_bsd_data_t; 380 381 typedef struct 382 { 383 int16_t rec_type; 384 uint16_t flags; 385 uint32_t valence; 386 hfs_cnid_t cnid; 387 uint32_t date_created; 388 uint32_t date_content_mod; 389 uint32_t date_attrib_mod; 390 uint32_t date_accessed; 391 uint32_t date_backedup; 392 hfs_bsd_data_t bsd; 393 hfs_macos_folder_info_t user_info; 394 hfs_macos_extended_folder_info_t finder_info; 395 uint32_t text_encoding; 396 uint32_t reserved; 397 } hfs_folder_record_t; 398 399 typedef struct 400 { 401 int16_t rec_type; 402 uint16_t flags; 403 uint32_t reserved; 404 hfs_cnid_t cnid; 405 uint32_t date_created; 406 uint32_t date_content_mod; 407 uint32_t date_attrib_mod; 408 uint32_t date_accessed; 409 uint32_t date_backedup; 410 hfs_bsd_data_t bsd; 411 hfs_macos_file_info_t user_info; 412 hfs_macos_extended_file_info_t finder_info; 413 uint32_t text_encoding; 414 uint32_t reserved2; 415 hfs_fork_t data_fork; 416 hfs_fork_t rsrc_fork; 417 } hfs_file_record_t; 418 419 typedef struct 420 { 421 int16_t rec_type; 422 int16_t reserved; 423 hfs_cnid_t parent_cnid; 424 hfs_unistr255_t name; 425 } hfs_thread_record_t; 426 427 typedef struct 428 { 429 uint32_t flags; 430 uint32_t device_signature[8]; 431 uint64_t offset; 432 uint64_t size; 433 uint64_t reserved[32]; 434 } hfs_journal_info_t; 435 436 typedef struct 437 { 438 uint32_t magic; 439 uint32_t endian; 440 uint64_t start; 441 uint64_t end; 442 uint64_t size; 443 uint32_t blocklist_header_size; 444 uint32_t checksum; 445 uint32_t journal_header_size; 446 } hfs_journal_header_t; 447 448 /* plain HFS structures needed for hfs wrapper support */ 449 450 typedef struct 451 { 452 uint16_t start_block; 453 uint16_t block_count; 454 } hfs_hfs_extent_descriptor_t; 455 456 typedef hfs_hfs_extent_descriptor_t hfs_hfs_extent_record_t[3]; 457 458 typedef struct 459 { 460 uint16_t signature; 461 uint32_t date_created; 462 uint32_t date_modified; 463 uint16_t attributes; 464 uint16_t root_file_count; 465 uint16_t volume_bitmap; 466 uint16_t next_alloc_block; 467 uint16_t total_blocks; 468 uint32_t block_size; 469 uint32_t clump_size; 470 uint16_t first_block; 471 hfs_cnid_t next_cnid; 472 uint16_t free_blocks; 473 unsigned char volume_name[28]; 474 uint32_t date_backedup; 475 uint16_t backup_seqnum; 476 uint32_t write_count; 477 uint32_t extents_clump_size; 478 uint32_t catalog_clump_size; 479 uint16_t root_folder_count; 480 uint32_t file_count; 481 uint32_t folder_count; 482 uint32_t finder_info[8]; 483 uint16_t embedded_signature; 484 hfs_hfs_extent_descriptor_t embedded_extent; 485 uint32_t extents_size; 486 hfs_hfs_extent_record_t extents_extents; 487 uint32_t catalog_size; 488 hfs_hfs_extent_record_t catalog_extents; 489 } hfs_hfs_master_directory_block_t; 490 491 #if 0 492 #pragma mark - 493 #pragma mark Custom Types 494 #endif 495 496 typedef struct 497 { 498 hfs_volume_header_t vh; /* volume header */ 499 hfs_header_record_t chr; /* catalog file header node record*/ 500 hfs_header_record_t ehr; /* extent overflow file header node record*/ 501 uint8_t catkeysizefieldsize; /* size of catalog file key_len field in 502 * bytes (1 or 2); always 2 for HFS+ */ 503 uint8_t extkeysizefieldsize; /* size of extent file key_len field in 504 * bytes (1 or 2); always 2 for HFS+ */ 505 hfs_unistr255_t name; /* volume name */ 506 507 /* pointer to catalog file key comparison function */ 508 int (*keycmp) (const void*, const void*); 509 510 int journaled; /* 1 if volume is journaled, else 0 */ 511 hfs_journal_info_t jib; /* journal info block */ 512 hfs_journal_header_t jh; /* journal header */ 513 514 uint64_t offset; /* offset, in bytes, of HFS+ volume */ 515 int readonly; /* 0 if mounted r/w, 1 if mounted r/o */ 516 void* cbdata; /* application-specific data; allocated, defined and 517 * used (if desired) by the program, usually within 518 * callback routines */ 519 } hfs_volume; 520 521 typedef union 522 { 523 /* for leaf nodes */ 524 int16_t type; /* type of record: folder, file, or thread */ 525 hfs_folder_record_t folder; 526 hfs_file_record_t file; 527 hfs_thread_record_t thread; 528 529 /* for pointer nodes */ 530 /* (using this large union for just one tiny field is not memory-efficient, 531 * so change this if it becomes problematic) */ 532 uint32_t child; /* node number of this node's child node */ 533 } hfs_catalog_keyed_record_t; 534 535 /* 536 * These arguments are passed among libhfs without any inspection. This struct 537 * is accepted by all public functions of libhfs, and passed to each callback. 538 * An application dereferences each pointer to its own specific struct of 539 * arguments. Callbacks must be prepared to deal with NULL values for any of 540 * these fields (by providing default values to be used in lieu of that 541 * argument). However, a NULL pointer to this struct is an error. 542 * 543 * It was decided to make one unified argument structure, rather than many 544 * separate, operand-specific structures, because, when this structure is passed 545 * to a public function (e.g., hfslib_open_volume()), the function may make 546 * several calls (and subcalls) to various facilities, e.g., read(), malloc(), 547 * and free(), all of which require their own particular arguments. The 548 * facilities to be used are quite impractical to foreshadow, so the application 549 * takes care of all possible calls at once. This also reinforces the idea that 550 * a public call is an umbrella to a set of system calls, and all of these calls 551 * must be passed arguments which do not change within the context of this 552 * umbrella. (E.g., if a public function makes two calls to read(), one call 553 * should not be passed a uid of root and the other passed a uid of daemon.) 554 */ 555 typedef struct 556 { 557 /* The 'error' function does not take an argument. All others do. */ 558 559 void* allocmem; 560 void* reallocmem; 561 void* freemem; 562 void* openvol; 563 void* closevol; 564 void* read; 565 } hfs_callback_args; 566 567 typedef struct 568 { 569 /* error(in_format, in_file, in_line, in_args) */ 570 void (*error) (const char*, const char*, int, va_list); 571 572 /* allocmem(in_size, cbargs) */ 573 void* (*allocmem) (size_t, hfs_callback_args*); 574 575 /* reallocmem(in_ptr, in_size, cbargs) */ 576 void* (*reallocmem) (void*, size_t, hfs_callback_args*); 577 578 /* freemem(in_ptr, cbargs) */ 579 void (*freemem) (void*, hfs_callback_args*); 580 581 /* openvol(in_volume, in_devicepath, cbargs) 582 * returns 0 on success */ 583 int (*openvol) (hfs_volume*, const char*, hfs_callback_args*); 584 585 /* closevol(in_volume, cbargs) */ 586 void (*closevol) (hfs_volume*, hfs_callback_args*); 587 588 /* read(in_volume, out_buffer, in_length, in_offset, cbargs) 589 * returns 0 on success */ 590 int (*read) (hfs_volume*, void*, uint64_t, uint64_t, 591 hfs_callback_args*); 592 593 } hfs_callbacks; 594 595 hfs_callbacks hfs_gcb; /* global callbacks */ 596 597 /* 598 * global case folding table 599 * (lazily initialized; see comments at bottom of hfs_open_volume()) 600 */ 601 unichar_t* hfs_gcft; 602 603 #if 0 604 #pragma mark - 605 #pragma mark Functions 606 #endif 607 608 void hfslib_init(hfs_callbacks*); 609 void hfslib_done(void); 610 void hfslib_init_cbargs(hfs_callback_args*); 611 612 int hfslib_open_volume(const char*, int, hfs_volume*, 613 hfs_callback_args*); 614 void hfslib_close_volume(hfs_volume*, hfs_callback_args*); 615 616 int hfslib_path_to_cnid(hfs_volume*, hfs_cnid_t, char**, uint16_t*, 617 hfs_callback_args*); 618 hfs_cnid_t hfslib_find_parent_thread(hfs_volume*, hfs_cnid_t, 619 hfs_thread_record_t*, hfs_callback_args*); 620 int hfslib_find_catalog_record_with_cnid(hfs_volume*, hfs_cnid_t, 621 hfs_catalog_keyed_record_t*, hfs_catalog_key_t*, hfs_callback_args*); 622 int hfslib_find_catalog_record_with_key(hfs_volume*, hfs_catalog_key_t*, 623 hfs_catalog_keyed_record_t*, hfs_callback_args*); 624 int hfslib_find_extent_record_with_key(hfs_volume*, hfs_extent_key_t*, 625 hfs_extent_record_t*, hfs_callback_args*); 626 int hfslib_get_directory_contents(hfs_volume*, hfs_cnid_t, 627 hfs_catalog_keyed_record_t**, hfs_unistr255_t**, uint32_t*, 628 hfs_callback_args*); 629 int hfslib_is_journal_clean(hfs_volume*); 630 int hfslib_is_private_file(hfs_catalog_key_t*); 631 632 int hfslib_get_hardlink(hfs_volume *, uint32_t, 633 hfs_catalog_keyed_record_t *, hfs_callback_args *); 634 635 size_t hfslib_read_volume_header(void*, hfs_volume_header_t*); 636 size_t hfslib_read_master_directory_block(void*, 637 hfs_hfs_master_directory_block_t*); 638 size_t hfslib_reada_node(void*, hfs_node_descriptor_t*, void***, uint16_t**, 639 hfs_btree_file_type, hfs_volume*, hfs_callback_args*); 640 size_t hfslib_reada_node_offsets(void*, uint16_t*); 641 size_t hfslib_read_header_node(void**, uint16_t*, uint16_t, 642 hfs_header_record_t*, void*, void*); 643 size_t hfslib_read_catalog_keyed_record(void*, hfs_catalog_keyed_record_t*, 644 int16_t*, hfs_catalog_key_t*, hfs_volume*); 645 size_t hfslib_read_extent_record(void*, hfs_extent_record_t*, hfs_node_kind, 646 hfs_extent_key_t*, hfs_volume*); 647 void hfslib_free_recs(void***, uint16_t**, uint16_t*, hfs_callback_args*); 648 649 size_t hfslib_read_fork_descriptor(void*, hfs_fork_t*); 650 size_t hfslib_read_extent_descriptors(void*, hfs_extent_record_t*); 651 size_t hfslib_read_unistr255(void*, hfs_unistr255_t*); 652 size_t hfslib_read_bsd_data(void*, hfs_bsd_data_t*); 653 size_t hfslib_read_file_userinfo(void*, hfs_macos_file_info_t*); 654 size_t hfslib_read_file_finderinfo(void*, hfs_macos_extended_file_info_t*); 655 size_t hfslib_read_folder_userinfo(void*, hfs_macos_folder_info_t*); 656 size_t hfslib_read_folder_finderinfo(void*, hfs_macos_extended_folder_info_t*); 657 size_t hfslib_read_journal_info(void*, hfs_journal_info_t*); 658 size_t hfslib_read_journal_header(void*, hfs_journal_header_t*); 659 660 uint16_t hfslib_make_catalog_key(hfs_cnid_t, uint16_t, unichar_t*, 661 hfs_catalog_key_t*); 662 uint16_t hfslib_make_extent_key(hfs_cnid_t, uint8_t, uint32_t, 663 hfs_extent_key_t*); 664 uint16_t hfslib_get_file_extents(hfs_volume*, hfs_cnid_t, uint8_t, 665 hfs_extent_descriptor_t**, hfs_callback_args*); 666 int hfslib_readd_with_extents(hfs_volume*, void*, uint64_t*, uint64_t, 667 uint64_t, hfs_extent_descriptor_t*, uint16_t, hfs_callback_args*); 668 669 int hfslib_compare_catalog_keys_cf(const void*, const void*); 670 int hfslib_compare_catalog_keys_bc(const void*, const void*); 671 int hfslib_compare_extent_keys(const void*, const void*); 672 673 674 /* callback wrappers */ 675 void hfslib_error(const char*, const char*, int, ...) __attribute__ ((format (printf, 1, 4))); 676 void* hfslib_malloc(size_t, hfs_callback_args*); 677 void* hfslib_realloc(void*, size_t, hfs_callback_args*); 678 void hfslib_free(void*, hfs_callback_args*); 679 int hfslib_openvoldevice(hfs_volume*, const char*, hfs_callback_args*); 680 void hfslib_closevoldevice(hfs_volume*, hfs_callback_args*); 681 int hfslib_readd(hfs_volume*, void*, uint64_t, uint64_t, hfs_callback_args*); 682 683 #endif /* !_FS_HFS_LIBHFS_H_ */ 684
Indexes created Sat Sep 27 14:09:57 GMT 2025