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Commit | Line | Data |
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3839e657 TT |
1 | /* |
2 | * ext2fs.h --- ext2fs | |
efc6f628 | 3 | * |
19c78dc0 TT |
4 | * Copyright (C) 1993, 1994, 1995, 1996 Theodore Ts'o. |
5 | * | |
6 | * %Begin-Header% | |
543547a5 TT |
7 | * This file may be redistributed under the terms of the GNU Library |
8 | * General Public License, version 2. | |
19c78dc0 | 9 | * %End-Header% |
3839e657 TT |
10 | */ |
11 | ||
9abd2ce9 TT |
12 | #ifndef _EXT2FS_EXT2FS_H |
13 | #define _EXT2FS_EXT2FS_H | |
14 | ||
54434927 TT |
15 | #ifdef __GNUC__ |
16 | #define EXT2FS_ATTR(x) __attribute__(x) | |
17 | #else | |
18 | #define EXT2FS_ATTR(x) | |
19 | #endif | |
20 | ||
fa7ef717 TT |
21 | #ifdef __cplusplus |
22 | extern "C" { | |
23 | #endif | |
24 | ||
19c78dc0 TT |
25 | /* |
26 | * Non-GNU C compilers won't necessarily understand inline | |
27 | */ | |
76f875da | 28 | #if (!defined(__GNUC__) && !defined(__WATCOMC__)) |
19c78dc0 TT |
29 | #define NO_INLINE_FUNCS |
30 | #endif | |
31 | ||
1ac2aa23 AD |
32 | #ifndef _XOPEN_SOURCE |
33 | #define _XOPEN_SOURCE 600 /* for posix_memalign() */ | |
34 | #endif | |
35 | ||
3839e657 TT |
36 | /* |
37 | * Where the master copy of the superblock is located, and how big | |
38 | * superblocks are supposed to be. We define SUPERBLOCK_SIZE because | |
39 | * the size of the superblock structure is not necessarily trustworthy | |
40 | * (some versions have the padding set up so that the superblock is | |
41 | * 1032 bytes long). | |
42 | */ | |
43 | #define SUPERBLOCK_OFFSET 1024 | |
1ac2aa23 | 44 | #define SUPERBLOCK_SIZE 1024 |
3839e657 | 45 | |
f3db3566 TT |
46 | /* |
47 | * The last ext2fs revision level that this version of the library is | |
48 | * able to support. | |
49 | */ | |
e5b38a5f | 50 | #define EXT2_LIB_CURRENT_REV EXT2_DYNAMIC_REV |
f3db3566 | 51 | |
d40259fd | 52 | #ifdef HAVE_SYS_TYPES_H |
1e3472c5 | 53 | #include <sys/types.h> |
d40259fd TT |
54 | #endif |
55 | ||
3e699064 | 56 | #include <stdio.h> |
5be8dc21 | 57 | #include <stdlib.h> |
a82a5702 | 58 | #include <string.h> |
023a1df0 | 59 | #include <errno.h> |
e43bb12f ES |
60 | #include <sys/types.h> |
61 | #include <sys/stat.h> | |
62 | #include <fcntl.h> | |
5953b9de | 63 | |
1ac2aa23 AD |
64 | #ifndef __USE_XOPEN2K |
65 | /* If the "#define _XOPEN_SOURCE 600" didn't succeed in declaring | |
66 | * posix_memalign(), maybe due to <features.h> or <stdlib.h> included beforej | |
67 | * _XOPEN_SOURCE, declare it here to avoid compiler warnings. */ | |
68 | extern int posix_memalign(void **__memptr, size_t __alignment, size_t __size); | |
69 | #endif | |
70 | ||
5953b9de TT |
71 | #if EXT2_FLAT_INCLUDES |
72 | #include "e2_types.h" | |
3e699064 | 73 | #include "ext2_fs.h" |
89dd6570 | 74 | #include "ext3_extents.h" |
5953b9de | 75 | #else |
797f5ef1 | 76 | #include <ext2fs/ext2_types.h> |
3e699064 | 77 | #include <ext2fs/ext2_fs.h> |
89dd6570 | 78 | #include <ext2fs/ext3_extents.h> |
e589f678 | 79 | #endif /* EXT2_FLAT_INCLUDES */ |
50e1e10f | 80 | |
31dbecd4 | 81 | typedef __u32 ext2_ino_t; |
50e1e10f | 82 | typedef __u32 blk_t; |
eac91b35 | 83 | typedef __u64 blk64_t; |
2eb374c9 | 84 | typedef __u32 dgrp_t; |
30fab293 | 85 | typedef __u32 ext2_off_t; |
f6b4c275 | 86 | typedef __u64 ext2_off64_t; |
03673dbb | 87 | typedef __s64 e2_blkcnt_t; |
52783e0c | 88 | typedef __u32 ext2_dirhash_t; |
3839e657 | 89 | |
b5abe6fa TT |
90 | #if EXT2_FLAT_INCLUDES |
91 | #include "com_err.h" | |
92 | #include "ext2_io.h" | |
93 | #include "ext2_err.h" | |
fefaef39 | 94 | #include "ext2_ext_attr.h" |
b5abe6fa | 95 | #else |
7c2d2569 TT |
96 | #include <et/com_err.h> |
97 | #include <ext2fs/ext2_io.h> | |
98 | #include <ext2fs/ext2_err.h> | |
fefaef39 | 99 | #include <ext2fs/ext2_ext_attr.h> |
b5abe6fa | 100 | #endif |
3839e657 | 101 | |
4c77fe50 TT |
102 | /* |
103 | * Portability help for Microsoft Visual C++ | |
104 | */ | |
105 | #ifdef _MSC_VER | |
106 | #define EXT2_QSORT_TYPE int __cdecl | |
107 | #else | |
108 | #define EXT2_QSORT_TYPE int | |
109 | #endif | |
110 | ||
f3db3566 TT |
111 | typedef struct struct_ext2_filsys *ext2_filsys; |
112 | ||
1e3472c5 TT |
113 | #define EXT2FS_MARK_ERROR 0 |
114 | #define EXT2FS_UNMARK_ERROR 1 | |
115 | #define EXT2FS_TEST_ERROR 2 | |
f3db3566 | 116 | |
1e3472c5 | 117 | typedef struct ext2fs_struct_generic_bitmap *ext2fs_generic_bitmap; |
1e3472c5 | 118 | typedef struct ext2fs_struct_generic_bitmap *ext2fs_inode_bitmap; |
1e3472c5 | 119 | typedef struct ext2fs_struct_generic_bitmap *ext2fs_block_bitmap; |
f3db3566 | 120 | |
7f88b043 | 121 | #define EXT2_FIRST_INODE(s) EXT2_FIRST_INO(s) |
067911ae | 122 | |
7f88b043 | 123 | |
19c78dc0 | 124 | /* |
067911ae | 125 | * Badblocks list definitions |
19c78dc0 TT |
126 | */ |
127 | ||
b7a00563 TT |
128 | typedef struct ext2_struct_u32_list *ext2_badblocks_list; |
129 | typedef struct ext2_struct_u32_iterate *ext2_badblocks_iterate; | |
130 | ||
131 | typedef struct ext2_struct_u32_list *ext2_u32_list; | |
132 | typedef struct ext2_struct_u32_iterate *ext2_u32_iterate; | |
19c78dc0 TT |
133 | |
134 | /* old */ | |
b7a00563 TT |
135 | typedef struct ext2_struct_u32_list *badblocks_list; |
136 | typedef struct ext2_struct_u32_iterate *badblocks_iterate; | |
19c78dc0 TT |
137 | |
138 | #define BADBLOCKS_FLAG_DIRTY 1 | |
139 | ||
140 | /* | |
141 | * ext2_dblist structure and abstractions (see dblist.c) | |
142 | */ | |
ab13b5a9 TT |
143 | struct ext2_db_entry2 { |
144 | ext2_ino_t ino; | |
145 | blk64_t blk; | |
146 | e2_blkcnt_t blockcnt; | |
147 | }; | |
148 | ||
149 | /* Ye Olde 32-bit version */ | |
19c78dc0 | 150 | struct ext2_db_entry { |
31dbecd4 | 151 | ext2_ino_t ino; |
19c78dc0 TT |
152 | blk_t blk; |
153 | int blockcnt; | |
154 | }; | |
155 | ||
156 | typedef struct ext2_struct_dblist *ext2_dblist; | |
157 | ||
158 | #define DBLIST_ABORT 1 | |
159 | ||
30fab293 TT |
160 | /* |
161 | * ext2_fileio definitions | |
162 | */ | |
163 | ||
164 | #define EXT2_FILE_WRITE 0x0001 | |
165 | #define EXT2_FILE_CREATE 0x0002 | |
166 | ||
167 | #define EXT2_FILE_MASK 0x00FF | |
168 | ||
169 | #define EXT2_FILE_BUF_DIRTY 0x4000 | |
170 | #define EXT2_FILE_BUF_VALID 0x2000 | |
171 | ||
172 | typedef struct ext2_file *ext2_file_t; | |
173 | ||
174 | #define EXT2_SEEK_SET 0 | |
175 | #define EXT2_SEEK_CUR 1 | |
176 | #define EXT2_SEEK_END 2 | |
177 | ||
3839e657 | 178 | /* |
a112847b | 179 | * Flags for the ext2_filsys structure and for ext2fs_open() |
3839e657 | 180 | */ |
19c78dc0 TT |
181 | #define EXT2_FLAG_RW 0x01 |
182 | #define EXT2_FLAG_CHANGED 0x02 | |
183 | #define EXT2_FLAG_DIRTY 0x04 | |
184 | #define EXT2_FLAG_VALID 0x08 | |
185 | #define EXT2_FLAG_IB_DIRTY 0x10 | |
186 | #define EXT2_FLAG_BB_DIRTY 0x20 | |
5c576477 TT |
187 | #define EXT2_FLAG_SWAP_BYTES 0x40 |
188 | #define EXT2_FLAG_SWAP_BYTES_READ 0x80 | |
189 | #define EXT2_FLAG_SWAP_BYTES_WRITE 0x100 | |
190 | #define EXT2_FLAG_MASTER_SB_ONLY 0x200 | |
19c78dc0 | 191 | #define EXT2_FLAG_FORCE 0x400 |
43ec8734 | 192 | #define EXT2_FLAG_SUPER_ONLY 0x800 |
a112847b | 193 | #define EXT2_FLAG_JOURNAL_DEV_OK 0x1000 |
a78926ef | 194 | #define EXT2_FLAG_IMAGE_FILE 0x2000 |
39c47ce6 | 195 | #define EXT2_FLAG_EXCLUSIVE 0x4000 |
cf8272e1 | 196 | #define EXT2_FLAG_SOFTSUPP_FEATURES 0x8000 |
ab52e12a | 197 | #define EXT2_FLAG_NOFREE_ON_ERROR 0x10000 |
69365c68 | 198 | #define EXT2_FLAG_64BITS 0x20000 |
95fd65bb | 199 | #define EXT2_FLAG_PRINT_PROGRESS 0x40000 |
73fbe232 | 200 | #define EXT2_FLAG_DIRECT_IO 0x80000 |
0f5eba75 | 201 | #define EXT2_FLAG_SKIP_MMP 0x100000 |
3839e657 | 202 | |
7f88b043 TT |
203 | /* |
204 | * Special flag in the ext2 inode i_flag field that means that this is | |
205 | * a new inode. (So that ext2_write_inode() can clear extra fields.) | |
206 | */ | |
207 | #define EXT2_NEW_INODE_FL 0x80000000 | |
208 | ||
4e246704 TT |
209 | /* |
210 | * Flags for mkjournal | |
4e246704 | 211 | */ |
6c54689f AD |
212 | #define EXT2_MKJOURNAL_V1_SUPER 0x0000001 /* create V1 superblock (deprecated) */ |
213 | #define EXT2_MKJOURNAL_LAZYINIT 0x0000002 /* don't zero journal inode before use*/ | |
4e246704 | 214 | |
efe0b401 ES |
215 | struct opaque_ext2_group_desc; |
216 | ||
3839e657 | 217 | struct struct_ext2_filsys { |
4cbe8af4 | 218 | errcode_t magic; |
3839e657 TT |
219 | io_channel io; |
220 | int flags; | |
221 | char * device_name; | |
222 | struct ext2_super_block * super; | |
54434927 | 223 | unsigned int blocksize; |
3fbfad55 | 224 | int fragsize; |
2eb374c9 | 225 | dgrp_t group_desc_count; |
3839e657 | 226 | unsigned long desc_blocks; |
efe0b401 | 227 | struct opaque_ext2_group_desc * group_desc; |
d32c915a | 228 | unsigned int inode_blocks_per_group; |
f3db3566 TT |
229 | ext2fs_inode_bitmap inode_map; |
230 | ext2fs_block_bitmap block_map; | |
6d8b37fa | 231 | /* XXX FIXME-64: not 64-bit safe, but not used? */ |
31dbecd4 TT |
232 | errcode_t (*get_blocks)(ext2_filsys fs, ext2_ino_t ino, blk_t *blocks); |
233 | errcode_t (*check_directory)(ext2_filsys fs, ext2_ino_t ino); | |
3839e657 | 234 | errcode_t (*write_bitmaps)(ext2_filsys fs); |
31dbecd4 | 235 | errcode_t (*read_inode)(ext2_filsys fs, ext2_ino_t ino, |
1e3472c5 | 236 | struct ext2_inode *inode); |
31dbecd4 | 237 | errcode_t (*write_inode)(ext2_filsys fs, ext2_ino_t ino, |
1e3472c5 | 238 | struct ext2_inode *inode); |
b7a00563 | 239 | ext2_badblocks_list badblocks; |
19c78dc0 | 240 | ext2_dblist dblist; |
a29f4d30 | 241 | __u32 stride; /* for mke2fs */ |
c180ac86 | 242 | struct ext2_super_block * orig_super; |
a78926ef | 243 | struct ext2_image_hdr * image_header; |
6a525069 | 244 | __u32 umask; |
9b9a780f | 245 | time_t now; |
3fbfad55 | 246 | int cluster_ratio_bits; |
67861e5b TT |
247 | __u16 default_bitmap_type; |
248 | __u16 pad; | |
19c78dc0 TT |
249 | /* |
250 | * Reserved for future expansion | |
251 | */ | |
67861e5b | 252 | __u32 reserved[5]; |
3839e657 TT |
253 | |
254 | /* | |
a29f4d30 | 255 | * Reserved for the use of the calling application. |
3839e657 | 256 | */ |
b5abe6fa | 257 | void * priv_data; |
a29f4d30 TT |
258 | |
259 | /* | |
260 | * Inode cache | |
261 | */ | |
262 | struct ext2_inode_cache *icache; | |
1ad54a94 | 263 | io_channel image_io; |
f5c562e2 | 264 | |
5fff8636 TT |
265 | /* |
266 | * More callback functions | |
267 | */ | |
268 | errcode_t (*get_alloc_block)(ext2_filsys fs, blk64_t goal, | |
269 | blk64_t *ret); | |
270 | void (*block_alloc_stats)(ext2_filsys fs, blk64_t blk, int inuse); | |
271 | ||
0f5eba75 AD |
272 | /* |
273 | * Buffers for Multiple mount protection(MMP) block. | |
274 | */ | |
275 | void *mmp_buf; | |
276 | void *mmp_cmp; | |
277 | int mmp_fd; | |
278 | ||
279 | /* | |
280 | * Time at which e2fsck last updated the MMP block. | |
281 | */ | |
282 | long mmp_last_written; | |
3839e657 TT |
283 | }; |
284 | ||
5953b9de TT |
285 | #if EXT2_FLAT_INCLUDES |
286 | #include "e2_bitops.h" | |
287 | #else | |
7c2d2569 | 288 | #include <ext2fs/bitops.h> |
5953b9de | 289 | #endif |
d40259fd | 290 | |
67861e5b TT |
291 | /* |
292 | * 64-bit bitmap backend types | |
293 | */ | |
67861e5b | 294 | #define EXT2FS_BMAP64_BITARRAY 1 |
c1359d91 | 295 | #define EXT2FS_BMAP64_RBTREE 2 |
d182831a | 296 | #define EXT2FS_BMAP64_AUTODIR 3 |
67861e5b | 297 | |
3839e657 TT |
298 | /* |
299 | * Return flags for the block iterator functions | |
300 | */ | |
301 | #define BLOCK_CHANGED 1 | |
302 | #define BLOCK_ABORT 2 | |
303 | #define BLOCK_ERROR 4 | |
304 | ||
305 | /* | |
306 | * Block interate flags | |
50e1e10f TT |
307 | * |
308 | * BLOCK_FLAG_APPEND, or BLOCK_FLAG_HOLE, indicates that the interator | |
309 | * function should be called on blocks where the block number is zero. | |
310 | * This is used by ext2fs_expand_dir() to be able to add a new block | |
311 | * to an inode. It can also be used for programs that want to be able | |
312 | * to deal with files that contain "holes". | |
efc6f628 | 313 | * |
7447921d TT |
314 | * BLOCK_FLAG_DEPTH_TRAVERSE indicates that the iterator function for |
315 | * the indirect, doubly indirect, etc. blocks should be called after | |
316 | * all of the blocks containined in the indirect blocks are processed. | |
50e1e10f TT |
317 | * This is useful if you are going to be deallocating blocks from an |
318 | * inode. | |
1e3472c5 TT |
319 | * |
320 | * BLOCK_FLAG_DATA_ONLY indicates that the iterator function should be | |
321 | * called for data blocks only. | |
674a4ee1 | 322 | * |
efc6f628 | 323 | * BLOCK_FLAG_READ_ONLY is a promise by the caller that it will not |
357d1863 TT |
324 | * modify returned block number. |
325 | * | |
674a4ee1 | 326 | * BLOCK_FLAG_NO_LARGE is for internal use only. It informs |
36a43d67 | 327 | * ext2fs_block_iterate2 that large files won't be accepted. |
3839e657 TT |
328 | */ |
329 | #define BLOCK_FLAG_APPEND 1 | |
50e1e10f | 330 | #define BLOCK_FLAG_HOLE 1 |
3839e657 | 331 | #define BLOCK_FLAG_DEPTH_TRAVERSE 2 |
1e3472c5 | 332 | #define BLOCK_FLAG_DATA_ONLY 4 |
357d1863 | 333 | #define BLOCK_FLAG_READ_ONLY 8 |
1e3472c5 | 334 | |
674a4ee1 TT |
335 | #define BLOCK_FLAG_NO_LARGE 0x1000 |
336 | ||
1e3472c5 TT |
337 | /* |
338 | * Magic "block count" return values for the block iterator function. | |
339 | */ | |
340 | #define BLOCK_COUNT_IND (-1) | |
341 | #define BLOCK_COUNT_DIND (-2) | |
342 | #define BLOCK_COUNT_TIND (-3) | |
343 | #define BLOCK_COUNT_TRANSLATOR (-4) | |
3839e657 | 344 | |
4a31c48b | 345 | #if 0 |
1e1da29f TT |
346 | /* |
347 | * Flags for ext2fs_move_blocks | |
348 | */ | |
efc6f628 | 349 | #define EXT2_BMOVE_GET_DBLIST 0x0001 |
36f21439 | 350 | #define EXT2_BMOVE_DEBUG 0x0002 |
4a31c48b | 351 | #endif |
1e1da29f | 352 | |
3eb07f64 TT |
353 | /* |
354 | * Generic (non-filesystem layout specific) extents structure | |
355 | */ | |
356 | ||
357 | #define EXT2_EXTENT_FLAGS_LEAF 0x0001 | |
358 | #define EXT2_EXTENT_FLAGS_UNINIT 0x0002 | |
359 | #define EXT2_EXTENT_FLAGS_SECOND_VISIT 0x0004 | |
360 | ||
361 | struct ext2fs_extent { | |
362 | blk64_t e_pblk; /* first physical block */ | |
363 | blk64_t e_lblk; /* first logical block extent covers */ | |
364 | __u32 e_len; /* number of blocks covered by extent */ | |
365 | __u32 e_flags; /* extent flags */ | |
366 | }; | |
367 | ||
368 | typedef struct ext2_extent_handle *ext2_extent_handle_t; | |
369 | typedef struct ext2_extent_path *ext2_extent_path_t; | |
370 | ||
371 | /* | |
372 | * Flags used by ext2fs_extent_get() | |
373 | */ | |
374 | #define EXT2_EXTENT_CURRENT 0x0000 | |
375 | #define EXT2_EXTENT_MOVE_MASK 0x000F | |
376 | #define EXT2_EXTENT_ROOT 0x0001 | |
377 | #define EXT2_EXTENT_LAST_LEAF 0x0002 | |
378 | #define EXT2_EXTENT_FIRST_SIB 0x0003 | |
379 | #define EXT2_EXTENT_LAST_SIB 0x0004 | |
380 | #define EXT2_EXTENT_NEXT_SIB 0x0005 | |
381 | #define EXT2_EXTENT_PREV_SIB 0x0006 | |
382 | #define EXT2_EXTENT_NEXT_LEAF 0x0007 | |
383 | #define EXT2_EXTENT_PREV_LEAF 0x0008 | |
384 | #define EXT2_EXTENT_NEXT 0x0009 | |
385 | #define EXT2_EXTENT_PREV 0x000A | |
386 | #define EXT2_EXTENT_UP 0x000B | |
387 | #define EXT2_EXTENT_DOWN 0x000C | |
388 | #define EXT2_EXTENT_DOWN_AND_LAST 0x000D | |
389 | ||
390 | /* | |
391 | * Flags used by ext2fs_extent_insert() | |
392 | */ | |
01229db5 ES |
393 | #define EXT2_EXTENT_INSERT_AFTER 0x0001 /* insert after handle loc'n */ |
394 | #define EXT2_EXTENT_INSERT_NOSPLIT 0x0002 /* insert may not cause split */ | |
3eb07f64 | 395 | |
c802ad9e ES |
396 | /* |
397 | * Flags used by ext2fs_extent_delete() | |
398 | */ | |
399 | #define EXT2_EXTENT_DELETE_KEEP_EMPTY 0x001 /* keep node if last extnt gone */ | |
400 | ||
f4e9963c ES |
401 | /* |
402 | * Flags used by ext2fs_extent_set_bmap() | |
403 | */ | |
404 | #define EXT2_EXTENT_SET_BMAP_UNINIT 0x0001 | |
405 | ||
3eb07f64 TT |
406 | /* |
407 | * Data structure returned by ext2fs_extent_get_info() | |
408 | */ | |
409 | struct ext2_extent_info { | |
410 | int curr_entry; | |
411 | int curr_level; | |
412 | int num_entries; | |
413 | int max_entries; | |
414 | int max_depth; | |
415 | int bytes_avail; | |
416 | blk64_t max_lblk; | |
417 | blk64_t max_pblk; | |
418 | __u32 max_len; | |
419 | __u32 max_uninit_len; | |
420 | }; | |
421 | ||
f9190c8a TT |
422 | /* |
423 | * Flags for directory block reading and writing functions | |
424 | */ | |
425 | #define EXT2_DIRBLOCK_V2_STRUCT 0x0001 | |
426 | ||
3839e657 TT |
427 | /* |
428 | * Return flags for the directory iterator functions | |
429 | */ | |
430 | #define DIRENT_CHANGED 1 | |
431 | #define DIRENT_ABORT 2 | |
432 | #define DIRENT_ERROR 3 | |
433 | ||
434 | /* | |
435 | * Directory iterator flags | |
436 | */ | |
437 | ||
438 | #define DIRENT_FLAG_INCLUDE_EMPTY 1 | |
8bd0c959 | 439 | #define DIRENT_FLAG_INCLUDE_REMOVED 2 |
19c78dc0 TT |
440 | |
441 | #define DIRENT_DOT_FILE 1 | |
442 | #define DIRENT_DOT_DOT_FILE 2 | |
443 | #define DIRENT_OTHER_FILE 3 | |
8bd0c959 | 444 | #define DIRENT_DELETED_FILE 4 |
19c78dc0 | 445 | |
3839e657 TT |
446 | /* |
447 | * Inode scan definitions | |
448 | */ | |
f3db3566 TT |
449 | typedef struct ext2_struct_inode_scan *ext2_inode_scan; |
450 | ||
19c78dc0 TT |
451 | /* |
452 | * ext2fs_scan flags | |
453 | */ | |
454 | #define EXT2_SF_CHK_BADBLOCKS 0x0001 | |
455 | #define EXT2_SF_BAD_INODE_BLK 0x0002 | |
456 | #define EXT2_SF_BAD_EXTRA_BYTES 0x0004 | |
457 | #define EXT2_SF_SKIP_MISSING_ITABLE 0x0008 | |
f5fa2007 | 458 | #define EXT2_SF_DO_LAZY 0x0010 |
3839e657 | 459 | |
50e1e10f TT |
460 | /* |
461 | * ext2fs_check_if_mounted flags | |
462 | */ | |
463 | #define EXT2_MF_MOUNTED 1 | |
464 | #define EXT2_MF_ISROOT 2 | |
19c78dc0 | 465 | #define EXT2_MF_READONLY 4 |
07cefe7a | 466 | #define EXT2_MF_SWAP 8 |
2fa8f37f | 467 | #define EXT2_MF_BUSY 16 |
50e1e10f TT |
468 | |
469 | /* | |
470 | * Ext2/linux mode flags. We define them here so that we don't need | |
471 | * to depend on the OS's sys/stat.h, since we may be compiling on a | |
472 | * non-Linux system. | |
473 | */ | |
474 | #define LINUX_S_IFMT 00170000 | |
475 | #define LINUX_S_IFSOCK 0140000 | |
476 | #define LINUX_S_IFLNK 0120000 | |
477 | #define LINUX_S_IFREG 0100000 | |
478 | #define LINUX_S_IFBLK 0060000 | |
479 | #define LINUX_S_IFDIR 0040000 | |
480 | #define LINUX_S_IFCHR 0020000 | |
481 | #define LINUX_S_IFIFO 0010000 | |
482 | #define LINUX_S_ISUID 0004000 | |
483 | #define LINUX_S_ISGID 0002000 | |
484 | #define LINUX_S_ISVTX 0001000 | |
485 | ||
1e3472c5 TT |
486 | #define LINUX_S_IRWXU 00700 |
487 | #define LINUX_S_IRUSR 00400 | |
488 | #define LINUX_S_IWUSR 00200 | |
489 | #define LINUX_S_IXUSR 00100 | |
490 | ||
491 | #define LINUX_S_IRWXG 00070 | |
492 | #define LINUX_S_IRGRP 00040 | |
493 | #define LINUX_S_IWGRP 00020 | |
494 | #define LINUX_S_IXGRP 00010 | |
495 | ||
496 | #define LINUX_S_IRWXO 00007 | |
497 | #define LINUX_S_IROTH 00004 | |
498 | #define LINUX_S_IWOTH 00002 | |
499 | #define LINUX_S_IXOTH 00001 | |
500 | ||
50e1e10f TT |
501 | #define LINUX_S_ISLNK(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFLNK) |
502 | #define LINUX_S_ISREG(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFREG) | |
503 | #define LINUX_S_ISDIR(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFDIR) | |
504 | #define LINUX_S_ISCHR(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFCHR) | |
505 | #define LINUX_S_ISBLK(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFBLK) | |
506 | #define LINUX_S_ISFIFO(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFIFO) | |
507 | #define LINUX_S_ISSOCK(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFSOCK) | |
508 | ||
819157db TT |
509 | /* |
510 | * ext2 size of an inode | |
511 | */ | |
512 | #define EXT2_I_SIZE(i) ((i)->i_size | ((__u64) (i)->i_size_high << 32)) | |
513 | ||
19c78dc0 TT |
514 | /* |
515 | * ext2_icount_t abstraction | |
516 | */ | |
517 | #define EXT2_ICOUNT_OPT_INCREMENT 0x01 | |
518 | ||
519 | typedef struct ext2_icount *ext2_icount_t; | |
520 | ||
30fab293 TT |
521 | /* |
522 | * Flags for ext2fs_bmap | |
523 | */ | |
1d667534 TT |
524 | #define BMAP_ALLOC 0x0001 |
525 | #define BMAP_SET 0x0002 | |
30fab293 | 526 | |
cc9bf5d2 TT |
527 | /* |
528 | * Returned flags from ext2fs_bmap | |
529 | */ | |
530 | #define BMAP_RET_UNINIT 0x0001 | |
531 | ||
72ed1264 TT |
532 | /* |
533 | * Flags for imager.c functions | |
534 | */ | |
535 | #define IMAGER_FLAG_INODEMAP 1 | |
536 | #define IMAGER_FLAG_SPARSEWRITE 2 | |
537 | ||
f3db3566 TT |
538 | /* |
539 | * For checking structure magic numbers... | |
540 | */ | |
3839e657 | 541 | |
f3db3566 TT |
542 | #define EXT2_CHECK_MAGIC(struct, code) \ |
543 | if ((struct)->magic != (code)) return (code) | |
1e3472c5 TT |
544 | |
545 | ||
546 | /* | |
e5b38a5f | 547 | * For ext2 compression support |
1e3472c5 | 548 | */ |
5d38ef1d | 549 | #define EXT2FS_COMPRESSED_BLKADDR ((blk_t) -1) |
5a63dd28 TT |
550 | #define HOLE_BLKADDR(_b) ((_b) == 0 || (_b) == EXT2FS_COMPRESSED_BLKADDR) |
551 | ||
521e3685 | 552 | /* |
426d734f | 553 | * Features supported by this version of the library |
521e3685 | 554 | */ |
3a5f8eaa TT |
555 | #define EXT2_LIB_FEATURE_COMPAT_SUPP (EXT2_FEATURE_COMPAT_DIR_PREALLOC|\ |
556 | EXT2_FEATURE_COMPAT_IMAGIC_INODES|\ | |
342d847d | 557 | EXT3_FEATURE_COMPAT_HAS_JOURNAL|\ |
d323f8fb | 558 | EXT2_FEATURE_COMPAT_RESIZE_INODE|\ |
52783e0c | 559 | EXT2_FEATURE_COMPAT_DIR_INDEX|\ |
342d847d | 560 | EXT2_FEATURE_COMPAT_EXT_ATTR) |
2fe1efe2 | 561 | |
5a63dd28 TT |
562 | /* This #ifdef is temporary until compression is fully supported */ |
563 | #ifdef ENABLE_COMPRESSION | |
e589f678 TT |
564 | #ifndef I_KNOW_THAT_COMPRESSION_IS_EXPERIMENTAL |
565 | /* If the below warning bugs you, then have | |
566 | `CPPFLAGS=-DI_KNOW_THAT_COMPRESSION_IS_EXPERIMENTAL' in your | |
567 | environment at configure time. */ | |
cdaf1fa7 | 568 | #warning "Compression support is experimental" |
e589f678 | 569 | #endif |
5a63dd28 | 570 | #define EXT2_LIB_FEATURE_INCOMPAT_SUPP (EXT2_FEATURE_INCOMPAT_FILETYPE|\ |
ab146766 | 571 | EXT2_FEATURE_INCOMPAT_COMPRESSION|\ |
a112847b | 572 | EXT3_FEATURE_INCOMPAT_JOURNAL_DEV|\ |
c046ac7f | 573 | EXT2_FEATURE_INCOMPAT_META_BG|\ |
c2d4300b | 574 | EXT3_FEATURE_INCOMPAT_RECOVER|\ |
15d482ba | 575 | EXT3_FEATURE_INCOMPAT_EXTENTS|\ |
02d6f47e | 576 | EXT4_FEATURE_INCOMPAT_FLEX_BG|\ |
0f5eba75 | 577 | EXT4_FEATURE_INCOMPAT_MMP|\ |
02d6f47e | 578 | EXT4_FEATURE_INCOMPAT_64BIT) |
5a63dd28 | 579 | #else |
ab146766 | 580 | #define EXT2_LIB_FEATURE_INCOMPAT_SUPP (EXT2_FEATURE_INCOMPAT_FILETYPE|\ |
a112847b | 581 | EXT3_FEATURE_INCOMPAT_JOURNAL_DEV|\ |
c046ac7f | 582 | EXT2_FEATURE_INCOMPAT_META_BG|\ |
c2d4300b | 583 | EXT3_FEATURE_INCOMPAT_RECOVER|\ |
15d482ba | 584 | EXT3_FEATURE_INCOMPAT_EXTENTS|\ |
02d6f47e | 585 | EXT4_FEATURE_INCOMPAT_FLEX_BG|\ |
0f5eba75 | 586 | EXT4_FEATURE_INCOMPAT_MMP|\ |
02d6f47e | 587 | EXT4_FEATURE_INCOMPAT_64BIT) |
5a63dd28 | 588 | #endif |
7becb206 | 589 | #ifdef CONFIG_QUOTA |
674a4ee1 | 590 | #define EXT2_LIB_FEATURE_RO_COMPAT_SUPP (EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER|\ |
1ca1059f | 591 | EXT4_FEATURE_RO_COMPAT_HUGE_FILE|\ |
a7c9cb7d | 592 | EXT2_FEATURE_RO_COMPAT_LARGE_FILE|\ |
d4f34d41 | 593 | EXT4_FEATURE_RO_COMPAT_DIR_NLINK|\ |
2be8fe43 | 594 | EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE|\ |
44fe08f1 | 595 | EXT4_FEATURE_RO_COMPAT_GDT_CSUM|\ |
624e4a64 AK |
596 | EXT4_FEATURE_RO_COMPAT_BIGALLOC|\ |
597 | EXT4_FEATURE_RO_COMPAT_QUOTA) | |
7becb206 TT |
598 | #else |
599 | #define EXT2_LIB_FEATURE_RO_COMPAT_SUPP (EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER|\ | |
600 | EXT4_FEATURE_RO_COMPAT_HUGE_FILE|\ | |
601 | EXT2_FEATURE_RO_COMPAT_LARGE_FILE|\ | |
602 | EXT4_FEATURE_RO_COMPAT_DIR_NLINK|\ | |
603 | EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE|\ | |
604 | EXT4_FEATURE_RO_COMPAT_GDT_CSUM|\ | |
605 | EXT4_FEATURE_RO_COMPAT_BIGALLOC) | |
606 | #endif | |
cf8272e1 TT |
607 | |
608 | /* | |
609 | * These features are only allowed if EXT2_FLAG_SOFTSUPP_FEATURES is passed | |
610 | * to ext2fs_openfs() | |
611 | */ | |
1ca1059f | 612 | #define EXT2_LIB_SOFTSUPP_INCOMPAT (0) |
412376ef | 613 | #define EXT2_LIB_SOFTSUPP_RO_COMPAT (EXT4_FEATURE_RO_COMPAT_BIGALLOC) |
cf8272e1 | 614 | |
1da5ef70 TT |
615 | |
616 | /* Translate a block number to a cluster number */ | |
617 | #define EXT2FS_CLUSTER_RATIO(fs) (1 << (fs)->cluster_ratio_bits) | |
618 | #define EXT2FS_CLUSTER_MASK(fs) (EXT2FS_CLUSTER_RATIO(fs) - 1) | |
619 | #define EXT2FS_B2C(fs, blk) ((blk) >> (fs)->cluster_ratio_bits) | |
620 | /* Translate a cluster number to a block number */ | |
621 | #define EXT2FS_C2B(fs, cluster) ((cluster) << (fs)->cluster_ratio_bits) | |
622 | /* Translate # of blks to # of clusters */ | |
623 | #define EXT2FS_NUM_B2C(fs, blks) (((blks) + EXT2FS_CLUSTER_MASK(fs)) >> \ | |
624 | (fs)->cluster_ratio_bits) | |
625 | ||
a9f46078 | 626 | #if defined(HAVE_FSTAT64) && !defined(__OSX_AVAILABLE_BUT_DEPRECATED) |
c859cb1d LC |
627 | typedef struct stat64 ext2fs_struct_stat; |
628 | #else | |
629 | typedef struct stat ext2fs_struct_stat; | |
630 | #endif | |
631 | ||
9d9a53e6 RJ |
632 | /* |
633 | * For ext2fs_close2() and ext2fs_flush2(), this flag allows you to | |
634 | * avoid the fsync call. | |
635 | */ | |
636 | #define EXT2_FLAG_FLUSH_NO_SYNC 1 | |
637 | ||
3839e657 TT |
638 | /* |
639 | * function prototypes | |
640 | */ | |
641 | ||
642 | /* alloc.c */ | |
31dbecd4 TT |
643 | extern errcode_t ext2fs_new_inode(ext2_filsys fs, ext2_ino_t dir, int mode, |
644 | ext2fs_inode_bitmap map, ext2_ino_t *ret); | |
3839e657 | 645 | extern errcode_t ext2fs_new_block(ext2_filsys fs, blk_t goal, |
f3db3566 | 646 | ext2fs_block_bitmap map, blk_t *ret); |
8a5e1812 JS |
647 | extern errcode_t ext2fs_new_block2(ext2_filsys fs, blk64_t goal, |
648 | ext2fs_block_bitmap map, blk64_t *ret); | |
3839e657 | 649 | extern errcode_t ext2fs_get_free_blocks(ext2_filsys fs, blk_t start, |
f3db3566 TT |
650 | blk_t finish, int num, |
651 | ext2fs_block_bitmap map, | |
3839e657 | 652 | blk_t *ret); |
8a5e1812 JS |
653 | extern errcode_t ext2fs_get_free_blocks2(ext2_filsys fs, blk64_t start, |
654 | blk64_t finish, int num, | |
655 | ext2fs_block_bitmap map, | |
656 | blk64_t *ret); | |
30fab293 TT |
657 | extern errcode_t ext2fs_alloc_block(ext2_filsys fs, blk_t goal, |
658 | char *block_buf, blk_t *ret); | |
8a5e1812 JS |
659 | extern errcode_t ext2fs_alloc_block2(ext2_filsys fs, blk64_t goal, |
660 | char *block_buf, blk64_t *ret); | |
efc6f628 | 661 | extern void ext2fs_set_alloc_block_callback(ext2_filsys fs, |
f5c562e2 TT |
662 | errcode_t (*func)(ext2_filsys fs, |
663 | blk64_t goal, | |
664 | blk64_t *ret), | |
665 | errcode_t (**old)(ext2_filsys fs, | |
666 | blk64_t goal, | |
667 | blk64_t *ret)); | |
3839e657 | 668 | |
ef344e13 | 669 | /* alloc_sb.c */ |
efc6f628 | 670 | extern int ext2fs_reserve_super_and_bgd(ext2_filsys fs, |
ef344e13 TT |
671 | dgrp_t group, |
672 | ext2fs_block_bitmap bmap); | |
efc6f628 | 673 | extern void ext2fs_set_block_alloc_stats_callback(ext2_filsys fs, |
f5c562e2 TT |
674 | void (*func)(ext2_filsys fs, |
675 | blk64_t blk, | |
676 | int inuse), | |
677 | void (**old)(ext2_filsys fs, | |
678 | blk64_t blk, | |
679 | int inuse)); | |
ef344e13 | 680 | |
8bd0c959 TT |
681 | /* alloc_stats.c */ |
682 | void ext2fs_inode_alloc_stats(ext2_filsys fs, ext2_ino_t ino, int inuse); | |
7f961d42 TT |
683 | void ext2fs_inode_alloc_stats2(ext2_filsys fs, ext2_ino_t ino, |
684 | int inuse, int isdir); | |
8bd0c959 | 685 | void ext2fs_block_alloc_stats(ext2_filsys fs, blk_t blk, int inuse); |
e8328e31 | 686 | void ext2fs_block_alloc_stats2(ext2_filsys fs, blk64_t blk, int inuse); |
8bd0c959 | 687 | |
1e1da29f TT |
688 | /* alloc_tables.c */ |
689 | extern errcode_t ext2fs_allocate_tables(ext2_filsys fs); | |
2eb374c9 | 690 | extern errcode_t ext2fs_allocate_group_table(ext2_filsys fs, dgrp_t group, |
1e1da29f | 691 | ext2fs_block_bitmap bmap); |
19c78dc0 | 692 | |
3839e657 | 693 | /* badblocks.c */ |
b7a00563 TT |
694 | extern errcode_t ext2fs_u32_list_create(ext2_u32_list *ret, int size); |
695 | extern errcode_t ext2fs_u32_list_add(ext2_u32_list bb, __u32 blk); | |
54434927 | 696 | extern int ext2fs_u32_list_find(ext2_u32_list bb, __u32 blk); |
b7a00563 TT |
697 | extern int ext2fs_u32_list_test(ext2_u32_list bb, blk_t blk); |
698 | extern errcode_t ext2fs_u32_list_iterate_begin(ext2_u32_list bb, | |
699 | ext2_u32_iterate *ret); | |
700 | extern int ext2fs_u32_list_iterate(ext2_u32_iterate iter, blk_t *blk); | |
701 | extern void ext2fs_u32_list_iterate_end(ext2_u32_iterate iter); | |
702 | extern errcode_t ext2fs_u32_copy(ext2_u32_list src, ext2_u32_list *dest); | |
703 | extern int ext2fs_u32_list_equal(ext2_u32_list bb1, ext2_u32_list bb2); | |
704 | ||
19c78dc0 TT |
705 | extern errcode_t ext2fs_badblocks_list_create(ext2_badblocks_list *ret, |
706 | int size); | |
19c78dc0 TT |
707 | extern errcode_t ext2fs_badblocks_list_add(ext2_badblocks_list bb, |
708 | blk_t blk); | |
709 | extern int ext2fs_badblocks_list_test(ext2_badblocks_list bb, | |
710 | blk_t blk); | |
7d7bdd57 TT |
711 | extern int ext2fs_u32_list_del(ext2_u32_list bb, __u32 blk); |
712 | extern void ext2fs_badblocks_list_del(ext2_u32_list bb, __u32 blk); | |
19c78dc0 TT |
713 | extern errcode_t |
714 | ext2fs_badblocks_list_iterate_begin(ext2_badblocks_list bb, | |
715 | ext2_badblocks_iterate *ret); | |
716 | extern int ext2fs_badblocks_list_iterate(ext2_badblocks_iterate iter, | |
717 | blk_t *blk); | |
718 | extern void ext2fs_badblocks_list_iterate_end(ext2_badblocks_iterate iter); | |
a29f4d30 TT |
719 | extern errcode_t ext2fs_badblocks_copy(ext2_badblocks_list src, |
720 | ext2_badblocks_list *dest); | |
57dca854 TT |
721 | extern int ext2fs_badblocks_equal(ext2_badblocks_list bb1, |
722 | ext2_badblocks_list bb2); | |
220c0040 | 723 | extern int ext2fs_u32_list_count(ext2_u32_list bb); |
19c78dc0 TT |
724 | |
725 | /* bb_compat */ | |
3839e657 | 726 | extern errcode_t badblocks_list_create(badblocks_list *ret, int size); |
3839e657 TT |
727 | extern errcode_t badblocks_list_add(badblocks_list bb, blk_t blk); |
728 | extern int badblocks_list_test(badblocks_list bb, blk_t blk); | |
729 | extern errcode_t badblocks_list_iterate_begin(badblocks_list bb, | |
730 | badblocks_iterate *ret); | |
731 | extern int badblocks_list_iterate(badblocks_iterate iter, blk_t *blk); | |
732 | extern void badblocks_list_iterate_end(badblocks_iterate iter); | |
a29f4d30 | 733 | extern void badblocks_list_free(badblocks_list bb); |
3839e657 TT |
734 | |
735 | /* bb_inode.c */ | |
736 | extern errcode_t ext2fs_update_bb_inode(ext2_filsys fs, | |
19c78dc0 | 737 | ext2_badblocks_list bb_list); |
3839e657 TT |
738 | |
739 | /* bitmaps.c */ | |
a0553c9d TT |
740 | extern void ext2fs_free_block_bitmap(ext2fs_block_bitmap bitmap); |
741 | extern void ext2fs_free_inode_bitmap(ext2fs_inode_bitmap bitmap); | |
f1f115a7 TT |
742 | extern errcode_t ext2fs_copy_bitmap(ext2fs_generic_bitmap src, |
743 | ext2fs_generic_bitmap *dest); | |
3839e657 TT |
744 | extern errcode_t ext2fs_write_inode_bitmap(ext2_filsys fs); |
745 | extern errcode_t ext2fs_write_block_bitmap (ext2_filsys fs); | |
746 | extern errcode_t ext2fs_read_inode_bitmap (ext2_filsys fs); | |
747 | extern errcode_t ext2fs_read_block_bitmap(ext2_filsys fs); | |
50e1e10f TT |
748 | extern errcode_t ext2fs_allocate_block_bitmap(ext2_filsys fs, |
749 | const char *descr, | |
750 | ext2fs_block_bitmap *ret); | |
94968e74 TT |
751 | extern errcode_t ext2fs_allocate_subcluster_bitmap(ext2_filsys fs, |
752 | const char *descr, | |
753 | ext2fs_block_bitmap *ret); | |
754 | extern int ext2fs_get_bitmap_granularity(ext2fs_block_bitmap bitmap); | |
50e1e10f TT |
755 | extern errcode_t ext2fs_allocate_inode_bitmap(ext2_filsys fs, |
756 | const char *descr, | |
757 | ext2fs_inode_bitmap *ret); | |
758 | extern errcode_t ext2fs_fudge_inode_bitmap_end(ext2fs_inode_bitmap bitmap, | |
31dbecd4 | 759 | ext2_ino_t end, ext2_ino_t *oend); |
50e1e10f TT |
760 | extern errcode_t ext2fs_fudge_block_bitmap_end(ext2fs_block_bitmap bitmap, |
761 | blk_t end, blk_t *oend); | |
8f82ef98 VAH |
762 | extern errcode_t ext2fs_fudge_block_bitmap_end2(ext2fs_block_bitmap bitmap, |
763 | blk64_t end, blk64_t *oend); | |
50e1e10f TT |
764 | extern void ext2fs_clear_inode_bitmap(ext2fs_inode_bitmap bitmap); |
765 | extern void ext2fs_clear_block_bitmap(ext2fs_block_bitmap bitmap); | |
3839e657 TT |
766 | extern errcode_t ext2fs_read_bitmaps(ext2_filsys fs); |
767 | extern errcode_t ext2fs_write_bitmaps(ext2_filsys fs); | |
50448d3d TT |
768 | extern errcode_t ext2fs_resize_inode_bitmap(__u32 new_end, __u32 new_real_end, |
769 | ext2fs_inode_bitmap bmap); | |
8f82ef98 VAH |
770 | extern errcode_t ext2fs_resize_inode_bitmap2(__u64 new_end, |
771 | __u64 new_real_end, | |
772 | ext2fs_inode_bitmap bmap); | |
50448d3d TT |
773 | extern errcode_t ext2fs_resize_block_bitmap(__u32 new_end, __u32 new_real_end, |
774 | ext2fs_block_bitmap bmap); | |
8f82ef98 VAH |
775 | extern errcode_t ext2fs_resize_block_bitmap2(__u64 new_end, |
776 | __u64 new_real_end, | |
777 | ext2fs_block_bitmap bmap); | |
50448d3d TT |
778 | extern errcode_t ext2fs_compare_block_bitmap(ext2fs_block_bitmap bm1, |
779 | ext2fs_block_bitmap bm2); | |
780 | extern errcode_t ext2fs_compare_inode_bitmap(ext2fs_inode_bitmap bm1, | |
781 | ext2fs_inode_bitmap bm2); | |
f1f115a7 TT |
782 | extern errcode_t ext2fs_set_inode_bitmap_range(ext2fs_inode_bitmap bmap, |
783 | ext2_ino_t start, unsigned int num, | |
784 | void *in); | |
8f82ef98 VAH |
785 | extern errcode_t ext2fs_set_inode_bitmap_range2(ext2fs_inode_bitmap bmap, |
786 | __u64 start, size_t num, | |
787 | void *in); | |
f1f115a7 TT |
788 | extern errcode_t ext2fs_get_inode_bitmap_range(ext2fs_inode_bitmap bmap, |
789 | ext2_ino_t start, unsigned int num, | |
790 | void *out); | |
8f82ef98 VAH |
791 | extern errcode_t ext2fs_get_inode_bitmap_range2(ext2fs_inode_bitmap bmap, |
792 | __u64 start, size_t num, | |
793 | void *out); | |
f1f115a7 TT |
794 | extern errcode_t ext2fs_set_block_bitmap_range(ext2fs_block_bitmap bmap, |
795 | blk_t start, unsigned int num, | |
796 | void *in); | |
8f82ef98 VAH |
797 | extern errcode_t ext2fs_set_block_bitmap_range2(ext2fs_block_bitmap bmap, |
798 | blk64_t start, size_t num, | |
799 | void *in); | |
f1f115a7 TT |
800 | extern errcode_t ext2fs_get_block_bitmap_range(ext2fs_block_bitmap bmap, |
801 | blk_t start, unsigned int num, | |
802 | void *out); | |
8f82ef98 VAH |
803 | extern errcode_t ext2fs_get_block_bitmap_range2(ext2fs_block_bitmap bmap, |
804 | blk64_t start, size_t num, | |
805 | void *out); | |
50448d3d | 806 | |
e3854b3b JS |
807 | /* blknum.c */ |
808 | extern dgrp_t ext2fs_group_of_blk2(ext2_filsys fs, blk64_t); | |
809 | extern blk64_t ext2fs_group_first_block2(ext2_filsys fs, dgrp_t group); | |
810 | extern blk64_t ext2fs_group_last_block2(ext2_filsys fs, dgrp_t group); | |
98f45471 | 811 | extern int ext2fs_group_blocks_count(ext2_filsys fs, dgrp_t group); |
e3854b3b JS |
812 | extern blk64_t ext2fs_inode_data_blocks2(ext2_filsys fs, |
813 | struct ext2_inode *inode); | |
814 | extern blk64_t ext2fs_inode_i_blocks(ext2_filsys fs, | |
815 | struct ext2_inode *inode); | |
816 | extern blk64_t ext2fs_blocks_count(struct ext2_super_block *super); | |
817 | extern void ext2fs_blocks_count_set(struct ext2_super_block *super, | |
818 | blk64_t blk); | |
819 | extern void ext2fs_blocks_count_add(struct ext2_super_block *super, | |
820 | blk64_t blk); | |
821 | extern blk64_t ext2fs_r_blocks_count(struct ext2_super_block *super); | |
822 | extern void ext2fs_r_blocks_count_set(struct ext2_super_block *super, | |
823 | blk64_t blk); | |
824 | extern void ext2fs_r_blocks_count_add(struct ext2_super_block *super, | |
825 | blk64_t blk); | |
826 | extern blk64_t ext2fs_free_blocks_count(struct ext2_super_block *super); | |
827 | extern void ext2fs_free_blocks_count_set(struct ext2_super_block *super, | |
828 | blk64_t blk); | |
829 | extern void ext2fs_free_blocks_count_add(struct ext2_super_block *super, | |
830 | blk64_t blk); | |
831 | /* Block group descriptor accessor functions */ | |
832 | extern struct ext2_group_desc *ext2fs_group_desc(ext2_filsys fs, | |
efe0b401 | 833 | struct opaque_ext2_group_desc *gdp, |
e3854b3b JS |
834 | dgrp_t group); |
835 | extern blk64_t ext2fs_block_bitmap_loc(ext2_filsys fs, dgrp_t group); | |
836 | extern void ext2fs_block_bitmap_loc_set(ext2_filsys fs, dgrp_t group, | |
837 | blk64_t blk); | |
838 | extern blk64_t ext2fs_inode_bitmap_loc(ext2_filsys fs, dgrp_t group); | |
839 | extern void ext2fs_inode_bitmap_loc_set(ext2_filsys fs, dgrp_t group, | |
840 | blk64_t blk); | |
841 | extern blk64_t ext2fs_inode_table_loc(ext2_filsys fs, dgrp_t group); | |
842 | extern void ext2fs_inode_table_loc_set(ext2_filsys fs, dgrp_t group, | |
843 | blk64_t blk); | |
d62d218f | 844 | extern __u32 ext2fs_bg_free_blocks_count(ext2_filsys fs, dgrp_t group); |
e3854b3b | 845 | extern void ext2fs_bg_free_blocks_count_set(ext2_filsys fs, dgrp_t group, |
d62d218f ND |
846 | __u32 n); |
847 | extern __u32 ext2fs_bg_free_inodes_count(ext2_filsys fs, dgrp_t group); | |
e3854b3b | 848 | extern void ext2fs_bg_free_inodes_count_set(ext2_filsys fs, dgrp_t group, |
d62d218f ND |
849 | __u32 n); |
850 | extern __u32 ext2fs_bg_used_dirs_count(ext2_filsys fs, dgrp_t group); | |
e3854b3b | 851 | extern void ext2fs_bg_used_dirs_count_set(ext2_filsys fs, dgrp_t group, |
d62d218f ND |
852 | __u32 n); |
853 | extern __u32 ext2fs_bg_itable_unused(ext2_filsys fs, dgrp_t group); | |
e3854b3b | 854 | extern void ext2fs_bg_itable_unused_set(ext2_filsys fs, dgrp_t group, |
d62d218f | 855 | __u32 n); |
e3854b3b | 856 | extern __u16 ext2fs_bg_flags(ext2_filsys fs, dgrp_t group); |
e633b58a | 857 | extern void ext2fs_bg_flags_zap(ext2_filsys fs, dgrp_t group); |
cd65a24e | 858 | extern int ext2fs_bg_flags_test(ext2_filsys fs, dgrp_t group, __u16 bg_flag); |
e633b58a ES |
859 | extern void ext2fs_bg_flags_set(ext2_filsys fs, dgrp_t group, __u16 bg_flags); |
860 | extern void ext2fs_bg_flags_clear(ext2_filsys fs, dgrp_t group, __u16 bg_flags); | |
e3854b3b JS |
861 | extern __u16 ext2fs_bg_checksum(ext2_filsys fs, dgrp_t group); |
862 | extern void ext2fs_bg_checksum_set(ext2_filsys fs, dgrp_t group, __u16 checksum); | |
0c80c44b TT |
863 | extern blk64_t ext2fs_file_acl_block(ext2_filsys fs, |
864 | const struct ext2_inode *inode); | |
865 | extern void ext2fs_file_acl_block_set(ext2_filsys fs, | |
866 | struct ext2_inode *inode, blk64_t blk); | |
3839e657 TT |
867 | |
868 | /* block.c */ | |
869 | extern errcode_t ext2fs_block_iterate(ext2_filsys fs, | |
31dbecd4 | 870 | ext2_ino_t ino, |
3839e657 TT |
871 | int flags, |
872 | char *block_buf, | |
873 | int (*func)(ext2_filsys fs, | |
874 | blk_t *blocknr, | |
875 | int blockcnt, | |
b5abe6fa TT |
876 | void *priv_data), |
877 | void *priv_data); | |
19c78dc0 | 878 | errcode_t ext2fs_block_iterate2(ext2_filsys fs, |
31dbecd4 | 879 | ext2_ino_t ino, |
674a4ee1 TT |
880 | int flags, |
881 | char *block_buf, | |
882 | int (*func)(ext2_filsys fs, | |
883 | blk_t *blocknr, | |
03673dbb | 884 | e2_blkcnt_t blockcnt, |
674a4ee1 TT |
885 | blk_t ref_blk, |
886 | int ref_offset, | |
887 | void *priv_data), | |
888 | void *priv_data); | |
272631e4 TT |
889 | errcode_t ext2fs_block_iterate3(ext2_filsys fs, |
890 | ext2_ino_t ino, | |
891 | int flags, | |
892 | char *block_buf, | |
893 | int (*func)(ext2_filsys fs, | |
894 | blk64_t *blocknr, | |
895 | e2_blkcnt_t blockcnt, | |
896 | blk64_t ref_blk, | |
897 | int ref_offset, | |
898 | void *priv_data), | |
899 | void *priv_data); | |
19c78dc0 | 900 | |
30fab293 | 901 | /* bmap.c */ |
31dbecd4 | 902 | extern errcode_t ext2fs_bmap(ext2_filsys fs, ext2_ino_t ino, |
efc6f628 | 903 | struct ext2_inode *inode, |
30fab293 TT |
904 | char *block_buf, int bmap_flags, |
905 | blk_t block, blk_t *phys_blk); | |
efc6f628 | 906 | extern errcode_t ext2fs_bmap2(ext2_filsys fs, ext2_ino_t ino, |
cc9bf5d2 TT |
907 | struct ext2_inode *inode, |
908 | char *block_buf, int bmap_flags, blk64_t block, | |
909 | int *ret_flags, blk64_t *phys_blk); | |
30fab293 | 910 | |
4a31c48b | 911 | #if 0 |
1e1da29f TT |
912 | /* bmove.c */ |
913 | extern errcode_t ext2fs_move_blocks(ext2_filsys fs, | |
914 | ext2fs_block_bitmap reserve, | |
9941fb73 | 915 | ext2fs_block_bitmap alloc_map, |
1e1da29f | 916 | int flags); |
4a31c48b | 917 | #endif |
1e1da29f | 918 | |
f3db3566 TT |
919 | /* check_desc.c */ |
920 | extern errcode_t ext2fs_check_desc(ext2_filsys fs); | |
921 | ||
3839e657 TT |
922 | /* closefs.c */ |
923 | extern errcode_t ext2fs_close(ext2_filsys fs); | |
9d9a53e6 | 924 | extern errcode_t ext2fs_close2(ext2_filsys fs, int flags); |
3839e657 | 925 | extern errcode_t ext2fs_flush(ext2_filsys fs); |
9d9a53e6 | 926 | extern errcode_t ext2fs_flush2(ext2_filsys fs, int flags); |
1b4cd9c7 | 927 | extern int ext2fs_bg_has_super(ext2_filsys fs, int group_block); |
71300f35 JS |
928 | extern errcode_t ext2fs_super_and_bgd_loc2(ext2_filsys fs, |
929 | dgrp_t group, | |
930 | blk64_t *ret_super_blk, | |
931 | blk64_t *ret_old_desc_blk, | |
932 | blk64_t *ret_new_desc_blk, | |
933 | blk_t *ret_used_blks); | |
efc6f628 | 934 | extern int ext2fs_super_and_bgd_loc(ext2_filsys fs, |
ef344e13 TT |
935 | dgrp_t group, |
936 | blk_t *ret_super_blk, | |
937 | blk_t *ret_old_desc_blk, | |
938 | blk_t *ret_new_desc_blk, | |
939 | int *ret_meta_bg); | |
1b4cd9c7 | 940 | extern void ext2fs_update_dynamic_rev(ext2_filsys fs); |
3839e657 | 941 | |
db8bbf27 | 942 | /* crc32c.c */ |
a7a63675 DW |
943 | extern __u32 ext2fs_crc32c_be(__u32 crc, unsigned char const *p, size_t len); |
944 | extern __u32 ext2fs_crc32c_le(__u32 crc, unsigned char const *p, size_t len); | |
db8bbf27 | 945 | |
ca2634a4 JS |
946 | /* csum.c */ |
947 | extern void ext2fs_group_desc_csum_set(ext2_filsys fs, dgrp_t group); | |
948 | extern int ext2fs_group_desc_csum_verify(ext2_filsys fs, dgrp_t group); | |
f628acea | 949 | extern errcode_t ext2fs_set_gdt_csum(ext2_filsys fs); |
ca2634a4 | 950 | |
19c78dc0 TT |
951 | /* dblist.c */ |
952 | ||
31dbecd4 | 953 | extern errcode_t ext2fs_get_num_dirs(ext2_filsys fs, ext2_ino_t *ret_num_dirs); |
a29f4d30 | 954 | extern errcode_t ext2fs_init_dblist(ext2_filsys fs, ext2_dblist *ret_dblist); |
31dbecd4 | 955 | extern errcode_t ext2fs_add_dir_block(ext2_dblist dblist, ext2_ino_t ino, |
a29f4d30 | 956 | blk_t blk, int blockcnt); |
ab13b5a9 TT |
957 | extern errcode_t ext2fs_add_dir_block2(ext2_dblist dblist, ext2_ino_t ino, |
958 | blk64_t blk, e2_blkcnt_t blockcnt); | |
ea1959f0 TT |
959 | extern void ext2fs_dblist_sort(ext2_dblist dblist, |
960 | EXT2_QSORT_TYPE (*sortfunc)(const void *, | |
961 | const void *)); | |
ab13b5a9 TT |
962 | extern void ext2fs_dblist_sort2(ext2_dblist dblist, |
963 | EXT2_QSORT_TYPE (*sortfunc)(const void *, | |
964 | const void *)); | |
a29f4d30 TT |
965 | extern errcode_t ext2fs_dblist_iterate(ext2_dblist dblist, |
966 | int (*func)(ext2_filsys fs, struct ext2_db_entry *db_info, | |
b5abe6fa TT |
967 | void *priv_data), |
968 | void *priv_data); | |
ab13b5a9 TT |
969 | extern errcode_t ext2fs_dblist_iterate2(ext2_dblist dblist, |
970 | int (*func)(ext2_filsys fs, struct ext2_db_entry2 *db_info, | |
971 | void *priv_data), | |
972 | void *priv_data); | |
31dbecd4 | 973 | extern errcode_t ext2fs_set_dir_block(ext2_dblist dblist, ext2_ino_t ino, |
a29f4d30 | 974 | blk_t blk, int blockcnt); |
ab13b5a9 TT |
975 | extern errcode_t ext2fs_set_dir_block2(ext2_dblist dblist, ext2_ino_t ino, |
976 | blk64_t blk, e2_blkcnt_t blockcnt); | |
a29f4d30 TT |
977 | extern errcode_t ext2fs_copy_dblist(ext2_dblist src, |
978 | ext2_dblist *dest); | |
549860c5 | 979 | extern int ext2fs_dblist_count(ext2_dblist dblist); |
ab13b5a9 | 980 | extern blk64_t ext2fs_dblist_count2(ext2_dblist dblist); |
efc6f628 | 981 | extern errcode_t ext2fs_dblist_get_last(ext2_dblist dblist, |
52b1dd5e | 982 | struct ext2_db_entry **entry); |
ab13b5a9 TT |
983 | extern errcode_t ext2fs_dblist_get_last2(ext2_dblist dblist, |
984 | struct ext2_db_entry2 **entry); | |
52b1dd5e | 985 | extern errcode_t ext2fs_dblist_drop_last(ext2_dblist dblist); |
19c78dc0 TT |
986 | |
987 | /* dblist_dir.c */ | |
988 | extern errcode_t | |
989 | ext2fs_dblist_dir_iterate(ext2_dblist dblist, | |
990 | int flags, | |
991 | char *block_buf, | |
31dbecd4 | 992 | int (*func)(ext2_ino_t dir, |
19c78dc0 TT |
993 | int entry, |
994 | struct ext2_dir_entry *dirent, | |
995 | int offset, | |
996 | int blocksize, | |
997 | char *buf, | |
b5abe6fa TT |
998 | void *priv_data), |
999 | void *priv_data); | |
50e1e10f TT |
1000 | |
1001 | /* dirblock.c */ | |
1002 | extern errcode_t ext2fs_read_dir_block(ext2_filsys fs, blk_t block, | |
1003 | void *buf); | |
f9190c8a TT |
1004 | extern errcode_t ext2fs_read_dir_block2(ext2_filsys fs, blk_t block, |
1005 | void *buf, int flags); | |
57e2467d JS |
1006 | extern errcode_t ext2fs_read_dir_block3(ext2_filsys fs, blk64_t block, |
1007 | void *buf, int flags); | |
50e1e10f TT |
1008 | extern errcode_t ext2fs_write_dir_block(ext2_filsys fs, blk_t block, |
1009 | void *buf); | |
f9190c8a TT |
1010 | extern errcode_t ext2fs_write_dir_block2(ext2_filsys fs, blk_t block, |
1011 | void *buf, int flags); | |
57e2467d JS |
1012 | extern errcode_t ext2fs_write_dir_block3(ext2_filsys fs, blk64_t block, |
1013 | void *buf, int flags); | |
50e1e10f | 1014 | |
52783e0c TT |
1015 | /* dirhash.c */ |
1016 | extern errcode_t ext2fs_dirhash(int version, const char *name, int len, | |
b33278c4 | 1017 | const __u32 *seed, |
503f9e7f TT |
1018 | ext2_dirhash_t *ret_hash, |
1019 | ext2_dirhash_t *ret_minor_hash); | |
52783e0c TT |
1020 | |
1021 | ||
19c78dc0 | 1022 | /* dir_iterate.c */ |
8a480350 TT |
1023 | extern errcode_t ext2fs_get_rec_len(ext2_filsys fs, |
1024 | struct ext2_dir_entry *dirent, | |
1025 | unsigned int *rec_len); | |
1026 | extern errcode_t ext2fs_set_rec_len(ext2_filsys fs, | |
1027 | unsigned int len, | |
1028 | struct ext2_dir_entry *dirent); | |
efc6f628 | 1029 | extern errcode_t ext2fs_dir_iterate(ext2_filsys fs, |
31dbecd4 | 1030 | ext2_ino_t dir, |
19c78dc0 TT |
1031 | int flags, |
1032 | char *block_buf, | |
1033 | int (*func)(struct ext2_dir_entry *dirent, | |
1034 | int offset, | |
1035 | int blocksize, | |
1036 | char *buf, | |
b5abe6fa TT |
1037 | void *priv_data), |
1038 | void *priv_data); | |
efc6f628 | 1039 | extern errcode_t ext2fs_dir_iterate2(ext2_filsys fs, |
8bd0c959 TT |
1040 | ext2_ino_t dir, |
1041 | int flags, | |
1042 | char *block_buf, | |
1043 | int (*func)(ext2_ino_t dir, | |
1044 | int entry, | |
1045 | struct ext2_dir_entry *dirent, | |
1046 | int offset, | |
1047 | int blocksize, | |
1048 | char *buf, | |
1049 | void *priv_data), | |
1050 | void *priv_data); | |
19c78dc0 | 1051 | |
a29f4d30 TT |
1052 | /* dupfs.c */ |
1053 | extern errcode_t ext2fs_dup_handle(ext2_filsys src, ext2_filsys *dest); | |
19c78dc0 | 1054 | |
3839e657 | 1055 | /* expanddir.c */ |
31dbecd4 | 1056 | extern errcode_t ext2fs_expand_dir(ext2_filsys fs, ext2_ino_t dir); |
3839e657 | 1057 | |
342d847d | 1058 | /* ext_attr.c */ |
fefaef39 AD |
1059 | extern __u32 ext2fs_ext_attr_hash_entry(struct ext2_ext_attr_entry *entry, |
1060 | void *data); | |
342d847d | 1061 | extern errcode_t ext2fs_read_ext_attr(ext2_filsys fs, blk_t block, void *buf); |
b91f14b8 JS |
1062 | extern errcode_t ext2fs_read_ext_attr2(ext2_filsys fs, blk64_t block, |
1063 | void *buf); | |
0684a4f3 TT |
1064 | extern errcode_t ext2fs_write_ext_attr(ext2_filsys fs, blk_t block, |
1065 | void *buf); | |
b91f14b8 JS |
1066 | extern errcode_t ext2fs_write_ext_attr2(ext2_filsys fs, blk64_t block, |
1067 | void *buf); | |
0684a4f3 TT |
1068 | extern errcode_t ext2fs_adjust_ea_refcount(ext2_filsys fs, blk_t blk, |
1069 | char *block_buf, | |
1070 | int adjust, __u32 *newcount); | |
b91f14b8 JS |
1071 | extern errcode_t ext2fs_adjust_ea_refcount2(ext2_filsys fs, blk64_t blk, |
1072 | char *block_buf, | |
1073 | int adjust, __u32 *newcount); | |
0684a4f3 | 1074 | |
3eb07f64 TT |
1075 | /* extent.c */ |
1076 | extern errcode_t ext2fs_extent_header_verify(void *ptr, int size); | |
1077 | extern errcode_t ext2fs_extent_open(ext2_filsys fs, ext2_ino_t ino, | |
1078 | ext2_extent_handle_t *handle); | |
84b239ae | 1079 | extern errcode_t ext2fs_extent_open2(ext2_filsys fs, ext2_ino_t ino, |
1080 | struct ext2_inode *inode, | |
1081 | ext2_extent_handle_t *ret_handle); | |
2d328bb7 | 1082 | extern void ext2fs_extent_free(ext2_extent_handle_t handle); |
3eb07f64 TT |
1083 | extern errcode_t ext2fs_extent_get(ext2_extent_handle_t handle, |
1084 | int flags, struct ext2fs_extent *extent); | |
1085 | extern errcode_t ext2fs_extent_replace(ext2_extent_handle_t handle, int flags, | |
1086 | struct ext2fs_extent *extent); | |
1087 | extern errcode_t ext2fs_extent_insert(ext2_extent_handle_t handle, int flags, | |
1088 | struct ext2fs_extent *extent); | |
f4e9963c ES |
1089 | extern errcode_t ext2fs_extent_set_bmap(ext2_extent_handle_t handle, |
1090 | blk64_t logical, blk64_t physical, | |
1091 | int flags); | |
3eb07f64 TT |
1092 | extern errcode_t ext2fs_extent_delete(ext2_extent_handle_t handle, int flags); |
1093 | extern errcode_t ext2fs_extent_get_info(ext2_extent_handle_t handle, | |
1094 | struct ext2_extent_info *info); | |
1095 | extern errcode_t ext2fs_extent_goto(ext2_extent_handle_t handle, | |
1096 | blk64_t blk); | |
1097 | ||
30fab293 | 1098 | /* fileio.c */ |
a435ec34 TT |
1099 | extern errcode_t ext2fs_file_open2(ext2_filsys fs, ext2_ino_t ino, |
1100 | struct ext2_inode *inode, | |
1101 | int flags, ext2_file_t *ret); | |
31dbecd4 | 1102 | extern errcode_t ext2fs_file_open(ext2_filsys fs, ext2_ino_t ino, |
30fab293 | 1103 | int flags, ext2_file_t *ret); |
79a90bda | 1104 | extern ext2_filsys ext2fs_file_get_fs(ext2_file_t file); |
6dc058bd | 1105 | struct ext2_inode *ext2fs_file_get_inode(ext2_file_t file); |
30fab293 | 1106 | extern errcode_t ext2fs_file_close(ext2_file_t file); |
f12e285f | 1107 | extern errcode_t ext2fs_file_flush(ext2_file_t file); |
30fab293 | 1108 | extern errcode_t ext2fs_file_read(ext2_file_t file, void *buf, |
79a90bda | 1109 | unsigned int wanted, unsigned int *got); |
f12e285f | 1110 | extern errcode_t ext2fs_file_write(ext2_file_t file, const void *buf, |
79a90bda | 1111 | unsigned int nbytes, unsigned int *written); |
819157db TT |
1112 | extern errcode_t ext2fs_file_llseek(ext2_file_t file, __u64 offset, |
1113 | int whence, __u64 *ret_pos); | |
674a4ee1 TT |
1114 | extern errcode_t ext2fs_file_lseek(ext2_file_t file, ext2_off_t offset, |
1115 | int whence, ext2_off_t *ret_pos); | |
819157db | 1116 | errcode_t ext2fs_file_get_lsize(ext2_file_t file, __u64 *ret_size); |
79a90bda TT |
1117 | extern ext2_off_t ext2fs_file_get_size(ext2_file_t file); |
1118 | extern errcode_t ext2fs_file_set_size(ext2_file_t file, ext2_off_t size); | |
27a0e958 | 1119 | extern errcode_t ext2fs_file_set_size2(ext2_file_t file, ext2_off64_t size); |
30fab293 | 1120 | |
de23aa1d TT |
1121 | /* finddev.c */ |
1122 | extern char *ext2fs_find_block_device(dev_t device); | |
1123 | ||
4d0f3e17 TT |
1124 | /* flushb.c */ |
1125 | extern errcode_t ext2fs_sync_device(int fd, int flushb); | |
1126 | ||
3839e657 TT |
1127 | /* freefs.c */ |
1128 | extern void ext2fs_free(ext2_filsys fs); | |
a29f4d30 | 1129 | extern void ext2fs_free_dblist(ext2_dblist dblist); |
b7a00563 TT |
1130 | extern void ext2fs_badblocks_list_free(ext2_badblocks_list bb); |
1131 | extern void ext2fs_u32_list_free(ext2_u32_list bb); | |
50e1e10f | 1132 | |
a0553c9d TT |
1133 | /* gen_bitmap.c */ |
1134 | extern void ext2fs_free_generic_bitmap(ext2fs_inode_bitmap bitmap); | |
efc6f628 TT |
1135 | extern errcode_t ext2fs_make_generic_bitmap(errcode_t magic, ext2_filsys fs, |
1136 | __u32 start, __u32 end, | |
a0553c9d TT |
1137 | __u32 real_end, |
1138 | const char *descr, char *init_map, | |
1139 | ext2fs_generic_bitmap *ret); | |
1140 | extern errcode_t ext2fs_allocate_generic_bitmap(__u32 start, | |
1141 | __u32 end, | |
1142 | __u32 real_end, | |
1143 | const char *descr, | |
1144 | ext2fs_generic_bitmap *ret); | |
1145 | extern errcode_t ext2fs_copy_generic_bitmap(ext2fs_generic_bitmap src, | |
1146 | ext2fs_generic_bitmap *dest); | |
1147 | extern void ext2fs_clear_generic_bitmap(ext2fs_generic_bitmap bitmap); | |
1148 | extern errcode_t ext2fs_fudge_generic_bitmap_end(ext2fs_inode_bitmap bitmap, | |
efc6f628 | 1149 | errcode_t magic, |
a0553c9d | 1150 | errcode_t neq, |
efc6f628 | 1151 | ext2_ino_t end, |
a0553c9d TT |
1152 | ext2_ino_t *oend); |
1153 | extern void ext2fs_set_generic_bitmap_padding(ext2fs_generic_bitmap map); | |
50448d3d TT |
1154 | extern errcode_t ext2fs_resize_generic_bitmap(errcode_t magic, |
1155 | __u32 new_end, | |
1156 | __u32 new_real_end, | |
1157 | ext2fs_generic_bitmap bmap); | |
1158 | extern errcode_t ext2fs_compare_generic_bitmap(errcode_t magic, errcode_t neq, | |
1159 | ext2fs_generic_bitmap bm1, | |
1160 | ext2fs_generic_bitmap bm2); | |
f1f115a7 TT |
1161 | extern errcode_t ext2fs_get_generic_bitmap_range(ext2fs_generic_bitmap bmap, |
1162 | errcode_t magic, | |
1163 | __u32 start, __u32 num, | |
1164 | void *out); | |
1165 | extern errcode_t ext2fs_set_generic_bitmap_range(ext2fs_generic_bitmap bmap, | |
1166 | errcode_t magic, | |
1167 | __u32 start, __u32 num, | |
1168 | void *in); | |
a0553c9d | 1169 | |
8f82ef98 | 1170 | /* gen_bitmap64.c */ |
9288e3be LC |
1171 | |
1172 | /* Generate and print bitmap usage statistics */ | |
1173 | #define BMAP_STATS | |
1174 | ||
8f82ef98 VAH |
1175 | void ext2fs_free_generic_bmap(ext2fs_generic_bitmap bmap); |
1176 | errcode_t ext2fs_alloc_generic_bmap(ext2_filsys fs, errcode_t magic, | |
1177 | int type, __u64 start, __u64 end, | |
1178 | __u64 real_end, | |
1179 | const char *descr, | |
1180 | ext2fs_generic_bitmap *ret); | |
1181 | errcode_t ext2fs_copy_generic_bmap(ext2fs_generic_bitmap src, | |
1182 | ext2fs_generic_bitmap *dest); | |
1183 | void ext2fs_clear_generic_bmap(ext2fs_generic_bitmap bitmap); | |
1184 | errcode_t ext2fs_fudge_generic_bmap_end(ext2fs_generic_bitmap bitmap, | |
1185 | errcode_t neq, | |
1186 | __u64 end, __u64 *oend); | |
1187 | void ext2fs_set_generic_bmap_padding(ext2fs_generic_bitmap bmap); | |
1188 | errcode_t ext2fs_resize_generic_bmap(ext2fs_generic_bitmap bmap, | |
1189 | __u64 new_end, | |
1190 | __u64 new_real_end); | |
1191 | errcode_t ext2fs_compare_generic_bmap(errcode_t neq, | |
1192 | ext2fs_generic_bitmap bm1, | |
1193 | ext2fs_generic_bitmap bm2); | |
1194 | errcode_t ext2fs_get_generic_bmap_range(ext2fs_generic_bitmap bmap, | |
1195 | __u64 start, unsigned int num, | |
1196 | void *out); | |
1197 | errcode_t ext2fs_set_generic_bmap_range(ext2fs_generic_bitmap bmap, | |
1198 | __u64 start, unsigned int num, | |
1199 | void *in); | |
94968e74 TT |
1200 | errcode_t ext2fs_convert_subcluster_bitmap(ext2_filsys fs, |
1201 | ext2fs_block_bitmap *bitmap); | |
8f82ef98 | 1202 | |
50e1e10f TT |
1203 | /* getsize.c */ |
1204 | extern errcode_t ext2fs_get_device_size(const char *file, int blocksize, | |
1205 | blk_t *retblocks); | |
beab8de4 JS |
1206 | extern errcode_t ext2fs_get_device_size2(const char *file, int blocksize, |
1207 | blk64_t *retblocks); | |
3839e657 | 1208 | |
93d5c387 TT |
1209 | /* getsectsize.c */ |
1210 | errcode_t ext2fs_get_device_sectsize(const char *file, int *sectsize); | |
bb1158b9 | 1211 | errcode_t ext2fs_get_device_phys_sectsize(const char *file, int *sectsize); |
93d5c387 | 1212 | |
1ca1059f TT |
1213 | /* i_block.c */ |
1214 | errcode_t ext2fs_iblk_add_blocks(ext2_filsys fs, struct ext2_inode *inode, | |
1215 | blk64_t num_blocks); | |
1216 | errcode_t ext2fs_iblk_sub_blocks(ext2_filsys fs, struct ext2_inode *inode, | |
1217 | blk64_t num_blocks); | |
1218 | errcode_t ext2fs_iblk_set(ext2_filsys fs, struct ext2_inode *inode, blk64_t b); | |
1219 | ||
72ed1264 TT |
1220 | /* imager.c */ |
1221 | extern errcode_t ext2fs_image_inode_write(ext2_filsys fs, int fd, int flags); | |
1222 | extern errcode_t ext2fs_image_inode_read(ext2_filsys fs, int fd, int flags); | |
1223 | extern errcode_t ext2fs_image_super_write(ext2_filsys fs, int fd, int flags); | |
1224 | extern errcode_t ext2fs_image_super_read(ext2_filsys fs, int fd, int flags); | |
1225 | extern errcode_t ext2fs_image_bitmap_write(ext2_filsys fs, int fd, int flags); | |
1226 | extern errcode_t ext2fs_image_bitmap_read(ext2_filsys fs, int fd, int flags); | |
1227 | ||
dc8ce346 TT |
1228 | /* ind_block.c */ |
1229 | errcode_t ext2fs_read_ind_block(ext2_filsys fs, blk_t blk, void *buf); | |
1230 | errcode_t ext2fs_write_ind_block(ext2_filsys fs, blk_t blk, void *buf); | |
1231 | ||
3839e657 TT |
1232 | /* initialize.c */ |
1233 | extern errcode_t ext2fs_initialize(const char *name, int flags, | |
1234 | struct ext2_super_block *param, | |
1235 | io_manager manager, ext2_filsys *ret_fs); | |
1236 | ||
f12e285f TT |
1237 | /* icount.c */ |
1238 | extern void ext2fs_free_icount(ext2_icount_t icount); | |
1b9d8cb7 TT |
1239 | extern errcode_t ext2fs_create_icount_tdb(ext2_filsys fs, char *tdb_dir, |
1240 | int flags, ext2_icount_t *ret); | |
efc6f628 | 1241 | extern errcode_t ext2fs_create_icount2(ext2_filsys fs, int flags, |
54434927 | 1242 | unsigned int size, |
f12e285f | 1243 | ext2_icount_t hint, ext2_icount_t *ret); |
efc6f628 | 1244 | extern errcode_t ext2fs_create_icount(ext2_filsys fs, int flags, |
54434927 | 1245 | unsigned int size, |
f12e285f TT |
1246 | ext2_icount_t *ret); |
1247 | extern errcode_t ext2fs_icount_fetch(ext2_icount_t icount, ext2_ino_t ino, | |
1248 | __u16 *ret); | |
1249 | extern errcode_t ext2fs_icount_increment(ext2_icount_t icount, ext2_ino_t ino, | |
1250 | __u16 *ret); | |
1251 | extern errcode_t ext2fs_icount_decrement(ext2_icount_t icount, ext2_ino_t ino, | |
1252 | __u16 *ret); | |
1253 | extern errcode_t ext2fs_icount_store(ext2_icount_t icount, ext2_ino_t ino, | |
1254 | __u16 count); | |
1255 | extern ext2_ino_t ext2fs_get_icount_size(ext2_icount_t icount); | |
1256 | errcode_t ext2fs_icount_validate(ext2_icount_t icount, FILE *); | |
1257 | ||
3839e657 | 1258 | /* inode.c */ |
72ed1264 | 1259 | extern errcode_t ext2fs_flush_icache(ext2_filsys fs); |
efc6f628 | 1260 | extern errcode_t ext2fs_get_next_inode_full(ext2_inode_scan scan, |
7331196a | 1261 | ext2_ino_t *ino, |
efc6f628 | 1262 | struct ext2_inode *inode, |
7331196a | 1263 | int bufsize); |
3839e657 TT |
1264 | extern errcode_t ext2fs_open_inode_scan(ext2_filsys fs, int buffer_blocks, |
1265 | ext2_inode_scan *ret_scan); | |
1266 | extern void ext2fs_close_inode_scan(ext2_inode_scan scan); | |
31dbecd4 | 1267 | extern errcode_t ext2fs_get_next_inode(ext2_inode_scan scan, ext2_ino_t *ino, |
3839e657 | 1268 | struct ext2_inode *inode); |
19c78dc0 TT |
1269 | extern errcode_t ext2fs_inode_scan_goto_blockgroup(ext2_inode_scan scan, |
1270 | int group); | |
1271 | extern void ext2fs_set_inode_callback | |
1272 | (ext2_inode_scan scan, | |
1273 | errcode_t (*done_group)(ext2_filsys fs, | |
1274 | ext2_inode_scan scan, | |
1275 | dgrp_t group, | |
b5abe6fa | 1276 | void * priv_data), |
19c78dc0 TT |
1277 | void *done_group_data); |
1278 | extern int ext2fs_inode_scan_flags(ext2_inode_scan scan, int set_flags, | |
1279 | int clear_flags); | |
7331196a | 1280 | extern errcode_t ext2fs_read_inode_full(ext2_filsys fs, ext2_ino_t ino, |
efc6f628 | 1281 | struct ext2_inode * inode, |
7331196a | 1282 | int bufsize); |
31dbecd4 | 1283 | extern errcode_t ext2fs_read_inode (ext2_filsys fs, ext2_ino_t ino, |
3839e657 | 1284 | struct ext2_inode * inode); |
7331196a | 1285 | extern errcode_t ext2fs_write_inode_full(ext2_filsys fs, ext2_ino_t ino, |
efc6f628 | 1286 | struct ext2_inode * inode, |
7331196a | 1287 | int bufsize); |
31dbecd4 | 1288 | extern errcode_t ext2fs_write_inode(ext2_filsys fs, ext2_ino_t ino, |
3839e657 | 1289 | struct ext2_inode * inode); |
030970ed TT |
1290 | extern errcode_t ext2fs_write_new_inode(ext2_filsys fs, ext2_ino_t ino, |
1291 | struct ext2_inode * inode); | |
31dbecd4 TT |
1292 | extern errcode_t ext2fs_get_blocks(ext2_filsys fs, ext2_ino_t ino, blk_t *blocks); |
1293 | extern errcode_t ext2fs_check_directory(ext2_filsys fs, ext2_ino_t ino); | |
3839e657 | 1294 | |
f12e285f TT |
1295 | /* inode_io.c */ |
1296 | extern io_manager inode_io_manager; | |
efc6f628 | 1297 | extern errcode_t ext2fs_inode_io_intern(ext2_filsys fs, ext2_ino_t ino, |
546a1ff1 | 1298 | char **name); |
a435ec34 TT |
1299 | extern errcode_t ext2fs_inode_io_intern2(ext2_filsys fs, ext2_ino_t ino, |
1300 | struct ext2_inode *inode, | |
1301 | char **name); | |
efc6f628 | 1302 | |
50e1e10f TT |
1303 | /* ismounted.c */ |
1304 | extern errcode_t ext2fs_check_if_mounted(const char *file, int *mount_flags); | |
43ec8734 TT |
1305 | extern errcode_t ext2fs_check_mount_point(const char *device, int *mount_flags, |
1306 | char *mtpt, int mtlen); | |
50e1e10f | 1307 | |
3adb9374 TT |
1308 | /* punch.c */ |
1309 | extern errcode_t ext2fs_punch(ext2_filsys fs, ext2_ino_t ino, | |
1310 | struct ext2_inode *inode, | |
1311 | char *block_buf, blk64_t start, | |
1312 | blk64_t end); | |
1313 | ||
3839e657 | 1314 | /* namei.c */ |
31dbecd4 TT |
1315 | extern errcode_t ext2fs_lookup(ext2_filsys fs, ext2_ino_t dir, const char *name, |
1316 | int namelen, char *buf, ext2_ino_t *inode); | |
1317 | extern errcode_t ext2fs_namei(ext2_filsys fs, ext2_ino_t root, ext2_ino_t cwd, | |
1318 | const char *name, ext2_ino_t *inode); | |
1319 | errcode_t ext2fs_namei_follow(ext2_filsys fs, ext2_ino_t root, ext2_ino_t cwd, | |
1320 | const char *name, ext2_ino_t *inode); | |
1321 | extern errcode_t ext2fs_follow_link(ext2_filsys fs, ext2_ino_t root, ext2_ino_t cwd, | |
1322 | ext2_ino_t inode, ext2_ino_t *res_inode); | |
1e3472c5 TT |
1323 | |
1324 | /* native.c */ | |
1325 | int ext2fs_native_flag(void); | |
3839e657 TT |
1326 | |
1327 | /* newdir.c */ | |
31dbecd4 TT |
1328 | extern errcode_t ext2fs_new_dir_block(ext2_filsys fs, ext2_ino_t dir_ino, |
1329 | ext2_ino_t parent_ino, char **block); | |
3839e657 TT |
1330 | |
1331 | /* mkdir.c */ | |
31dbecd4 | 1332 | extern errcode_t ext2fs_mkdir(ext2_filsys fs, ext2_ino_t parent, ext2_ino_t inum, |
3839e657 TT |
1333 | const char *name); |
1334 | ||
d3cd93ca | 1335 | /* mkjournal.c */ |
c8608504 TT |
1336 | extern errcode_t ext2fs_zero_blocks(ext2_filsys fs, blk_t blk, int num, |
1337 | blk_t *ret_blk, int *ret_count); | |
73d0c4cc | 1338 | extern errcode_t ext2fs_zero_blocks2(ext2_filsys fs, blk64_t blk, int num, |
931b58e1 | 1339 | blk64_t *ret_blk, int *ret_count); |
a112847b | 1340 | extern errcode_t ext2fs_create_journal_superblock(ext2_filsys fs, |
931b58e1 | 1341 | __u32 num_blocks, int flags, |
a112847b TT |
1342 | char **ret_jsb); |
1343 | extern errcode_t ext2fs_add_journal_device(ext2_filsys fs, | |
1344 | ext2_filsys journal_dev); | |
931b58e1 | 1345 | extern errcode_t ext2fs_add_journal_inode(ext2_filsys fs, blk_t num_blocks, |
31a17b36 | 1346 | int flags); |
931b58e1 | 1347 | extern int ext2fs_default_journal_size(__u64 num_blocks); |
d3cd93ca | 1348 | |
3839e657 TT |
1349 | /* openfs.c */ |
1350 | extern errcode_t ext2fs_open(const char *name, int flags, int superblock, | |
54434927 | 1351 | unsigned int block_size, io_manager manager, |
3839e657 | 1352 | ext2_filsys *ret_fs); |
efc6f628 TT |
1353 | extern errcode_t ext2fs_open2(const char *name, const char *io_options, |
1354 | int flags, int superblock, | |
2e8ca9a2 TT |
1355 | unsigned int block_size, io_manager manager, |
1356 | ext2_filsys *ret_fs); | |
4f8d6ab2 JS |
1357 | extern blk64_t ext2fs_descriptor_block_loc2(ext2_filsys fs, |
1358 | blk64_t group_block, dgrp_t i); | |
efc6f628 | 1359 | extern blk_t ext2fs_descriptor_block_loc(ext2_filsys fs, blk_t group_block, |
c046ac7f | 1360 | dgrp_t i); |
1ad54a94 TT |
1361 | errcode_t ext2fs_get_data_io(ext2_filsys fs, io_channel *old_io); |
1362 | errcode_t ext2fs_set_data_io(ext2_filsys fs, io_channel new_io); | |
1363 | errcode_t ext2fs_rewrite_to_io(ext2_filsys fs, io_channel new_io); | |
3839e657 TT |
1364 | |
1365 | /* get_pathname.c */ | |
31dbecd4 | 1366 | extern errcode_t ext2fs_get_pathname(ext2_filsys fs, ext2_ino_t dir, ext2_ino_t ino, |
3839e657 TT |
1367 | char **name); |
1368 | ||
1369 | /* link.c */ | |
31dbecd4 TT |
1370 | errcode_t ext2fs_link(ext2_filsys fs, ext2_ino_t dir, const char *name, |
1371 | ext2_ino_t ino, int flags); | |
1372 | errcode_t ext2fs_unlink(ext2_filsys fs, ext2_ino_t dir, const char *name, | |
1373 | ext2_ino_t ino, int flags); | |
3839e657 | 1374 | |
0f5eba75 AD |
1375 | /* mmp.c */ |
1376 | errcode_t ext2fs_mmp_read(ext2_filsys fs, blk64_t mmp_blk, void *buf); | |
1377 | errcode_t ext2fs_mmp_write(ext2_filsys fs, blk64_t mmp_blk, void *buf); | |
1378 | errcode_t ext2fs_mmp_clear(ext2_filsys fs); | |
1379 | errcode_t ext2fs_mmp_init(ext2_filsys fs); | |
1380 | errcode_t ext2fs_mmp_start(ext2_filsys fs); | |
1381 | errcode_t ext2fs_mmp_update(ext2_filsys fs); | |
1382 | errcode_t ext2fs_mmp_stop(ext2_filsys fs); | |
edbfd75d | 1383 | unsigned ext2fs_mmp_new_seq(void); |
0f5eba75 | 1384 | |
3839e657 | 1385 | /* read_bb.c */ |
19c78dc0 TT |
1386 | extern errcode_t ext2fs_read_bb_inode(ext2_filsys fs, |
1387 | ext2_badblocks_list *bb_list); | |
3839e657 TT |
1388 | |
1389 | /* read_bb_file.c */ | |
efc6f628 | 1390 | extern errcode_t ext2fs_read_bb_FILE2(ext2_filsys fs, FILE *f, |
57dca854 | 1391 | ext2_badblocks_list *bb_list, |
50cd7e06 | 1392 | void *priv_data, |
57dca854 TT |
1393 | void (*invalid)(ext2_filsys fs, |
1394 | blk_t blk, | |
1395 | char *badstr, | |
50cd7e06 | 1396 | void *priv_data)); |
efc6f628 | 1397 | extern errcode_t ext2fs_read_bb_FILE(ext2_filsys fs, FILE *f, |
19c78dc0 | 1398 | ext2_badblocks_list *bb_list, |
3839e657 TT |
1399 | void (*invalid)(ext2_filsys fs, |
1400 | blk_t blk)); | |
1401 | ||
d323f8fb TT |
1402 | /* res_gdt.c */ |
1403 | extern errcode_t ext2fs_create_resize_inode(ext2_filsys fs); | |
1404 | ||
50e1e10f | 1405 | /* swapfs.c */ |
efc6f628 | 1406 | extern void ext2fs_swap_ext_attr(char *to, char *from, int bufsize, |
7331196a | 1407 | int has_header); |
fefaef39 AD |
1408 | extern void ext2fs_swap_ext_attr_header(struct ext2_ext_attr_header *to_header, |
1409 | struct ext2_ext_attr_header *from_hdr); | |
1410 | extern void ext2fs_swap_ext_attr_entry(struct ext2_ext_attr_entry *to_entry, | |
1411 | struct ext2_ext_attr_entry *from_entry); | |
50e1e10f TT |
1412 | extern void ext2fs_swap_super(struct ext2_super_block * super); |
1413 | extern void ext2fs_swap_group_desc(struct ext2_group_desc *gdp); | |
cf828f1a | 1414 | extern void ext2fs_swap_group_desc2(ext2_filsys, struct ext2_group_desc *gdp); |
7331196a TT |
1415 | extern void ext2fs_swap_inode_full(ext2_filsys fs, struct ext2_inode_large *t, |
1416 | struct ext2_inode_large *f, int hostorder, | |
1417 | int bufsize); | |
1e3472c5 TT |
1418 | extern void ext2fs_swap_inode(ext2_filsys fs,struct ext2_inode *t, |
1419 | struct ext2_inode *f, int hostorder); | |
0f5eba75 | 1420 | extern void ext2fs_swap_mmp(struct mmp_struct *mmp); |
1e3472c5 | 1421 | |
19c78dc0 | 1422 | /* valid_blk.c */ |
521e3685 | 1423 | extern int ext2fs_inode_has_valid_blocks(struct ext2_inode *inode); |
0c80c44b TT |
1424 | extern int ext2fs_inode_has_valid_blocks2(ext2_filsys fs, |
1425 | struct ext2_inode *inode); | |
521e3685 TT |
1426 | |
1427 | /* version.c */ | |
1428 | extern int ext2fs_parse_version_string(const char *ver_string); | |
1429 | extern int ext2fs_get_library_version(const char **ver_string, | |
1430 | const char **date_string); | |
50e1e10f | 1431 | |
31dbecd4 TT |
1432 | /* write_bb_file.c */ |
1433 | extern errcode_t ext2fs_write_bb_FILE(ext2_badblocks_list bb_list, | |
1434 | unsigned int flags, | |
1435 | FILE *f); | |
1436 | ||
1437 | ||
3839e657 | 1438 | /* inline functions */ |
c4e3d3f3 | 1439 | extern errcode_t ext2fs_get_mem(unsigned long size, void *ptr); |
023a1df0 TT |
1440 | extern errcode_t ext2fs_get_memalign(unsigned long size, |
1441 | unsigned long align, void *ptr); | |
d32c915a TT |
1442 | extern errcode_t ext2fs_get_memzero(unsigned long size, void *ptr); |
1443 | extern errcode_t ext2fs_get_array(unsigned long count, | |
1444 | unsigned long size, void *ptr); | |
1445 | extern errcode_t ext2fs_get_arrayzero(unsigned long count, | |
1446 | unsigned long size, void *ptr); | |
c4e3d3f3 | 1447 | extern errcode_t ext2fs_free_mem(void *ptr); |
76f875da | 1448 | extern errcode_t ext2fs_resize_mem(unsigned long old_size, |
c4e3d3f3 | 1449 | unsigned long size, void *ptr); |
3839e657 TT |
1450 | extern void ext2fs_mark_super_dirty(ext2_filsys fs); |
1451 | extern void ext2fs_mark_changed(ext2_filsys fs); | |
1452 | extern int ext2fs_test_changed(ext2_filsys fs); | |
1453 | extern void ext2fs_mark_valid(ext2_filsys fs); | |
1454 | extern void ext2fs_unmark_valid(ext2_filsys fs); | |
1455 | extern int ext2fs_test_valid(ext2_filsys fs); | |
1456 | extern void ext2fs_mark_ib_dirty(ext2_filsys fs); | |
1457 | extern void ext2fs_mark_bb_dirty(ext2_filsys fs); | |
1458 | extern int ext2fs_test_ib_dirty(ext2_filsys fs); | |
1459 | extern int ext2fs_test_bb_dirty(ext2_filsys fs); | |
1460 | extern int ext2fs_group_of_blk(ext2_filsys fs, blk_t blk); | |
31dbecd4 | 1461 | extern int ext2fs_group_of_ino(ext2_filsys fs, ext2_ino_t ino); |
abf23439 ES |
1462 | extern blk_t ext2fs_group_first_block(ext2_filsys fs, dgrp_t group); |
1463 | extern blk_t ext2fs_group_last_block(ext2_filsys fs, dgrp_t group); | |
0684a4f3 TT |
1464 | extern blk_t ext2fs_inode_data_blocks(ext2_filsys fs, |
1465 | struct ext2_inode *inode); | |
69022e02 | 1466 | extern unsigned int ext2fs_div_ceil(unsigned int a, unsigned int b); |
743011fb | 1467 | extern __u64 ext2fs_div64_ceil(__u64 a, __u64 b); |
c4012e5a | 1468 | extern int ext2fs_open_file(const char *pathname, int flags, mode_t mode); |
c859cb1d | 1469 | extern int ext2fs_stat(const char *path, ext2fs_struct_stat *buf); |
6b56f3d9 | 1470 | extern int ext2fs_fstat(int fd, ext2fs_struct_stat *buf); |
3839e657 TT |
1471 | |
1472 | /* | |
1473 | * The actual inlined functions definitions themselves... | |
1474 | * | |
1475 | * If NO_INLINE_FUNCS is defined, then we won't try to do inline | |
1476 | * functions at all! | |
1477 | */ | |
1478 | #if (defined(INCLUDE_INLINE_FUNCS) || !defined(NO_INLINE_FUNCS)) | |
1479 | #ifdef INCLUDE_INLINE_FUNCS | |
1480 | #define _INLINE_ extern | |
1481 | #else | |
76f875da | 1482 | #ifdef __GNUC__ |
3839e657 | 1483 | #define _INLINE_ extern __inline__ |
76f875da TT |
1484 | #else /* For Watcom C */ |
1485 | #define _INLINE_ extern inline | |
1486 | #endif | |
3839e657 TT |
1487 | #endif |
1488 | ||
7b4e4534 | 1489 | #ifndef EXT2_CUSTOM_MEMORY_ROUTINES |
68a7f959 | 1490 | #include <string.h> |
7b4e4534 TT |
1491 | /* |
1492 | * Allocate memory | |
1493 | */ | |
c4e3d3f3 | 1494 | _INLINE_ errcode_t ext2fs_get_mem(unsigned long size, void *ptr) |
7b4e4534 | 1495 | { |
2694f319 | 1496 | void *pp; |
c4e3d3f3 | 1497 | |
2694f319 TT |
1498 | pp = malloc(size); |
1499 | if (!pp) | |
291c9049 | 1500 | return EXT2_ET_NO_MEMORY; |
2694f319 | 1501 | memcpy(ptr, &pp, sizeof (pp)); |
7b4e4534 TT |
1502 | return 0; |
1503 | } | |
e5aace90 | 1504 | |
ffec46fe LC |
1505 | _INLINE_ errcode_t ext2fs_get_memzero(unsigned long size, void *ptr) |
1506 | { | |
1507 | void *pp; | |
1508 | ||
1509 | pp = malloc(size); | |
1510 | if (!pp) | |
1511 | return EXT2_ET_NO_MEMORY; | |
1512 | memset(pp, 0, size); | |
1513 | memcpy(ptr, &pp, sizeof(pp)); | |
1514 | return 0; | |
1515 | } | |
1516 | ||
ee01079a TT |
1517 | _INLINE_ errcode_t ext2fs_get_array(unsigned long count, unsigned long size, void *ptr) |
1518 | { | |
1519 | if (count && (-1UL)/count<size) | |
ffec46fe | 1520 | return EXT2_ET_NO_MEMORY; |
ee01079a TT |
1521 | return ext2fs_get_mem(count*size, ptr); |
1522 | } | |
7b4e4534 | 1523 | |
ffec46fe LC |
1524 | _INLINE_ errcode_t ext2fs_get_arrayzero(unsigned long count, |
1525 | unsigned long size, void *ptr) | |
1526 | { | |
1527 | void *pp; | |
1528 | ||
1529 | if (count && (-1UL)/count<size) | |
1530 | return EXT2_ET_NO_MEMORY; | |
1531 | pp = calloc(count, size); | |
1532 | if (!pp) | |
1533 | return EXT2_ET_NO_MEMORY; | |
1534 | memcpy(ptr, &pp, sizeof(pp)); | |
1535 | return 0; | |
1536 | } | |
1537 | ||
7b4e4534 TT |
1538 | /* |
1539 | * Free memory | |
1540 | */ | |
c4e3d3f3 | 1541 | _INLINE_ errcode_t ext2fs_free_mem(void *ptr) |
7b4e4534 | 1542 | { |
2694f319 | 1543 | void *p; |
c4e3d3f3 | 1544 | |
2694f319 TT |
1545 | memcpy(&p, ptr, sizeof(p)); |
1546 | free(p); | |
1547 | p = 0; | |
1548 | memcpy(ptr, &p, sizeof(p)); | |
7b4e4534 TT |
1549 | return 0; |
1550 | } | |
efc6f628 | 1551 | |
7b4e4534 TT |
1552 | /* |
1553 | * Resize memory | |
1554 | */ | |
e47fd841 | 1555 | _INLINE_ errcode_t ext2fs_resize_mem(unsigned long EXT2FS_ATTR((unused)) old_size, |
c4e3d3f3 | 1556 | unsigned long size, void *ptr) |
7b4e4534 TT |
1557 | { |
1558 | void *p; | |
1559 | ||
39c191f5 ST |
1560 | /* Use "memcpy" for pointer assignments here to avoid problems |
1561 | * with C99 strict type aliasing rules. */ | |
2694f319 | 1562 | memcpy(&p, ptr, sizeof(p)); |
39c191f5 | 1563 | p = realloc(p, size); |
7b4e4534 | 1564 | if (!p) |
291c9049 | 1565 | return EXT2_ET_NO_MEMORY; |
2694f319 | 1566 | memcpy(ptr, &p, sizeof(p)); |
7b4e4534 TT |
1567 | return 0; |
1568 | } | |
1569 | #endif /* Custom memory routines */ | |
1570 | ||
3839e657 TT |
1571 | /* |
1572 | * Mark a filesystem superblock as dirty | |
1573 | */ | |
1574 | _INLINE_ void ext2fs_mark_super_dirty(ext2_filsys fs) | |
1575 | { | |
1576 | fs->flags |= EXT2_FLAG_DIRTY | EXT2_FLAG_CHANGED; | |
1577 | } | |
1578 | ||
1579 | /* | |
1580 | * Mark a filesystem as changed | |
1581 | */ | |
1582 | _INLINE_ void ext2fs_mark_changed(ext2_filsys fs) | |
1583 | { | |
1584 | fs->flags |= EXT2_FLAG_CHANGED; | |
1585 | } | |
1586 | ||
1587 | /* | |
1588 | * Check to see if a filesystem has changed | |
1589 | */ | |
1590 | _INLINE_ int ext2fs_test_changed(ext2_filsys fs) | |
1591 | { | |
1592 | return (fs->flags & EXT2_FLAG_CHANGED); | |
1593 | } | |
1594 | ||
1595 | /* | |
1596 | * Mark a filesystem as valid | |
1597 | */ | |
1598 | _INLINE_ void ext2fs_mark_valid(ext2_filsys fs) | |
1599 | { | |
1600 | fs->flags |= EXT2_FLAG_VALID; | |
1601 | } | |
1602 | ||
1603 | /* | |
1604 | * Mark a filesystem as NOT valid | |
1605 | */ | |
1606 | _INLINE_ void ext2fs_unmark_valid(ext2_filsys fs) | |
1607 | { | |
1608 | fs->flags &= ~EXT2_FLAG_VALID; | |
1609 | } | |
1610 | ||
1611 | /* | |
1612 | * Check to see if a filesystem is valid | |
1613 | */ | |
1614 | _INLINE_ int ext2fs_test_valid(ext2_filsys fs) | |
1615 | { | |
1616 | return (fs->flags & EXT2_FLAG_VALID); | |
1617 | } | |
1618 | ||
1619 | /* | |
1620 | * Mark the inode bitmap as dirty | |
1621 | */ | |
1622 | _INLINE_ void ext2fs_mark_ib_dirty(ext2_filsys fs) | |
1623 | { | |
1624 | fs->flags |= EXT2_FLAG_IB_DIRTY | EXT2_FLAG_CHANGED; | |
1625 | } | |
1626 | ||
1627 | /* | |
1628 | * Mark the block bitmap as dirty | |
1629 | */ | |
1630 | _INLINE_ void ext2fs_mark_bb_dirty(ext2_filsys fs) | |
1631 | { | |
1632 | fs->flags |= EXT2_FLAG_BB_DIRTY | EXT2_FLAG_CHANGED; | |
1633 | } | |
1634 | ||
1635 | /* | |
1636 | * Check to see if a filesystem's inode bitmap is dirty | |
1637 | */ | |
1638 | _INLINE_ int ext2fs_test_ib_dirty(ext2_filsys fs) | |
1639 | { | |
1640 | return (fs->flags & EXT2_FLAG_IB_DIRTY); | |
1641 | } | |
1642 | ||
1643 | /* | |
1644 | * Check to see if a filesystem's block bitmap is dirty | |
1645 | */ | |
1646 | _INLINE_ int ext2fs_test_bb_dirty(ext2_filsys fs) | |
1647 | { | |
1648 | return (fs->flags & EXT2_FLAG_BB_DIRTY); | |
1649 | } | |
1650 | ||
1651 | /* | |
1652 | * Return the group # of a block | |
1653 | */ | |
1654 | _INLINE_ int ext2fs_group_of_blk(ext2_filsys fs, blk_t blk) | |
1655 | { | |
e3854b3b | 1656 | return ext2fs_group_of_blk2(fs, blk); |
3839e657 | 1657 | } |
3839e657 TT |
1658 | /* |
1659 | * Return the group # of an inode number | |
1660 | */ | |
31dbecd4 | 1661 | _INLINE_ int ext2fs_group_of_ino(ext2_filsys fs, ext2_ino_t ino) |
3839e657 TT |
1662 | { |
1663 | return (ino - 1) / fs->super->s_inodes_per_group; | |
1664 | } | |
0684a4f3 | 1665 | |
abf23439 ES |
1666 | /* |
1667 | * Return the first block (inclusive) in a group | |
1668 | */ | |
1669 | _INLINE_ blk_t ext2fs_group_first_block(ext2_filsys fs, dgrp_t group) | |
1670 | { | |
e3854b3b | 1671 | return ext2fs_group_first_block2(fs, group); |
abf23439 ES |
1672 | } |
1673 | ||
1674 | /* | |
1675 | * Return the last block (inclusive) in a group | |
1676 | */ | |
1677 | _INLINE_ blk_t ext2fs_group_last_block(ext2_filsys fs, dgrp_t group) | |
1678 | { | |
e3854b3b | 1679 | return ext2fs_group_last_block2(fs, group); |
abf23439 ES |
1680 | } |
1681 | ||
0684a4f3 TT |
1682 | _INLINE_ blk_t ext2fs_inode_data_blocks(ext2_filsys fs, |
1683 | struct ext2_inode *inode) | |
1684 | { | |
e3854b3b | 1685 | return ext2fs_inode_data_blocks2(fs, inode); |
0684a4f3 | 1686 | } |
69022e02 TT |
1687 | |
1688 | /* | |
1689 | * This is an efficient, overflow safe way of calculating ceil((1.0 * a) / b) | |
1690 | */ | |
1691 | _INLINE_ unsigned int ext2fs_div_ceil(unsigned int a, unsigned int b) | |
1692 | { | |
1693 | if (!a) | |
1694 | return 0; | |
1695 | return ((a - 1) / b) + 1; | |
1696 | } | |
743011fb JS |
1697 | |
1698 | _INLINE_ __u64 ext2fs_div64_ceil(__u64 a, __u64 b) | |
1699 | { | |
1700 | if (!a) | |
1701 | return 0; | |
1702 | return ((a - 1) / b) + 1; | |
1703 | } | |
1704 | ||
c4012e5a | 1705 | _INLINE_ int ext2fs_open_file(const char *pathname, int flags, mode_t mode) |
c859cb1d LC |
1706 | { |
1707 | va_list args; | |
c859cb1d LC |
1708 | |
1709 | if (mode) | |
6b56f3d9 | 1710 | #if defined(HAVE_OPEN64) && !defined(__OSX_AVAILABLE_BUT_DEPRECATED) |
c859cb1d LC |
1711 | return open64(pathname, flags, mode); |
1712 | else | |
1713 | return open64(pathname, flags); | |
1714 | #else | |
1715 | return open(pathname, flags, mode); | |
1716 | else | |
1717 | return open(pathname, flags); | |
1718 | #endif | |
1719 | } | |
1720 | ||
1721 | _INLINE_ int ext2fs_stat(const char *path, ext2fs_struct_stat *buf) | |
1722 | { | |
a9f46078 | 1723 | #if defined(HAVE_FSTAT64) && !defined(__OSX_AVAILABLE_BUT_DEPRECATED) |
c859cb1d LC |
1724 | return stat64(path, buf); |
1725 | #else | |
6b56f3d9 AD |
1726 | return stat(path, buf); |
1727 | #endif | |
1728 | } | |
1729 | ||
1730 | _INLINE_ int ext2fs_fstat(int fd, ext2fs_struct_stat *buf) | |
1731 | { | |
a9f46078 | 1732 | #if defined(HAVE_FSTAT64) && !defined(__OSX_AVAILABLE_BUT_DEPRECATED) |
6b56f3d9 AD |
1733 | return fstat64(fd, buf); |
1734 | #else | |
1735 | return fstat(fd, buf); | |
c859cb1d LC |
1736 | #endif |
1737 | } | |
1738 | ||
3839e657 TT |
1739 | #undef _INLINE_ |
1740 | #endif | |
1741 | ||
fa7ef717 TT |
1742 | #ifdef __cplusplus |
1743 | } | |
1744 | #endif | |
1745 | ||
9abd2ce9 | 1746 | #endif /* _EXT2FS_EXT2FS_H */ |