1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
|
#+build linux, darwin, netbsd, openbsd, freebsd, haiku
package posix
import "core:c"
when ODIN_OS == .Darwin {
foreign import lib "system:System.framework"
} else {
foreign import lib "system:c"
}
// sys/stat.h - data returned by the stat() function
foreign lib {
/*
Equivalent to either stat or lstat (based on the SYMLINK_NOFOLLOW bit in flags)
but resolves relative paths based on the given fd.
[[ More; https://pubs.opengroup.org/onlinepubs/9699919799/functions/fstatat.html ]]
*/
@(link_name="fstatat" + INODE_SUFFIX)
fstatat :: proc(fd: FD, path: cstring, buf: ^stat_t, flag: AT_Flags) -> result ---
/*
Obtain information about a "file" at the given path.
Follows symbolic links.
[[ More; https://pubs.opengroup.org/onlinepubs/9699919799/functions/fstatat.html ]]
*/
@(link_name=LSTAT)
stat :: proc(path: cstring, buf: ^stat_t) -> result ---
/*
Obtain information about an open file.
Follows symbol links.
[[ More; https://pubs.opengroup.org/onlinepubs/9699919799/functions/fstat.html ]]
*/
@(link_name=LFSTAT)
fstat :: proc(fildes: FD, buf: ^stat_t) -> result ---
/*
Obtain information about a "file" at the given path.
Does not follow symlinks (will stat the symlink itself).
[[ More; https://pubs.opengroup.org/onlinepubs/9699919799/functions/fstatat.html ]]
*/
@(link_name=LLSTAT)
lstat :: proc(path: cstring, buf: ^stat_t) -> result ---
/*
Change the mode of a file.
[[ More; https://pubs.opengroup.org/onlinepubs/9699919799/functions/chmod.html ]]
*/
chmod :: proc(path: cstring, mode: mode_t) -> result ---
/*
Equivalent to chmod but takes an open file descriptor.
[[ More; https://pubs.opengroup.org/onlinepubs/9699919799/functions/fchmod.html ]]
*/
fchmod :: proc(fd: FD, mode: mode_t) -> result ---
/*
Equivalent to chmod but follows (or doesn't) symlinks based on the flag and resolves
relative paths from the given fd.
[[ More; https://pubs.opengroup.org/onlinepubs/9699919799/functions/chmod.html ]]
*/
fchmodat :: proc(fd: FD, path: cstring, mode: mode_t, flag: AT_Flags) -> result ---
/*
Make a directory.
[[ More; https://pubs.opengroup.org/onlinepubs/9699919799/functions/mkdir.html ]]
*/
mkdir :: proc(path: cstring, mode: mode_t) -> result ---
/*
Equivalent to mkdir but relative paths are relative to fd.
[[ More; https://pubs.opengroup.org/onlinepubs/9699919799/functions/mkdir.html ]]
*/
mkdirat :: proc(fd: FD, path: cstring, mode: mode_t) -> result ---
/*
Make a FIFO special file.
[[ More; https://pubs.opengroup.org/onlinepubs/9699919799/functions/mkfifo.html ]]
*/
mkfifo :: proc(path: cstring, mode: mode_t) -> result ---
/*
Equivalent to mkfifo but relative paths are relative to fd.
[[ More; https://pubs.opengroup.org/onlinepubs/9699919799/functions/mkfifo.html ]]
*/
mkfifoat :: proc(fd: FD, path: cstring, mode: mode_t) -> result ---
/*
Make directory, special file, or regular file.
[[ More; https://pubs.opengroup.org/onlinepubs/9699919799/functions/mknodat.html ]]
*/
@(link_name=LMKNOD)
mknod :: proc(path: cstring, mode: mode_t, dev: dev_t) -> result ---
/*
Equivalent to mknod but relative paths are relative to fd.
[[ More; https://pubs.opengroup.org/onlinepubs/9699919799/functions/mknodat.html ]]
*/
mknodat :: proc(fd: FD, path: cstring, mode: mode_t, dev: dev_t) -> result ---
/*
Sets the file access and modification time of the given file descriptor.
[[ More; https://pubs.opengroup.org/onlinepubs/9699919799/functions/futimens.html ]]
*/
futimens :: proc(fd: FD, times: ^[2]timespec) -> result ---
/*
Equivalent to futimens.
Relative directories are based on fd.
Symlinks may or may not be followed based on the flags.
[[ More; https://pubs.opengroup.org/onlinepubs/9699919799/functions/futimens.html ]]
*/
utimensat :: proc(fd: FD, path: cstring, times: ^[2]timespec, flag: AT_Flags) -> result ---
/*
Set and get the file mode creation flags.
Makes the file mode permissions bits in cmask the new default for the process.
Returns: the previous value
[[ More; https://pubs.opengroup.org/onlinepubs/9699919799/functions/umask.html ]]
*/
umask :: proc(cmask: mode_t) -> mode_t ---
}
// Read, write, execute user.
S_IRWXU :: mode_t{ .IRUSR, .IWUSR, .IXUSR }
// Read, write, execute group.
S_IRWXG :: mode_t{ .IRGRP, .IWGRP, .IXGRP }
// Read, write, execute other.
S_IRWXO :: mode_t{ .IROTH, .IWOTH, .IXOTH }
Mode_Bits :: enum c.int {
// File type:
IFCHR = log2(_S_IFCHR), /* Character special */
IFIFO = log2(_S_IFIFO), /* FIFO special */
IFREG = log2(_S_IFREG), /* Regular */
IFDIR = log2(_S_IFDIR), /* Directory */
// Permissions:
IRUSR = log2(_S_IRUSR), /* R for owner */
IWUSR = log2(_S_IWUSR), /* W for owner */
IXUSR = log2(_S_IXUSR), /* X for owner */
IRGRP = log2(_S_IRGRP), /* R for group */
IWGRP = log2(_S_IWGRP), /* W for group */
IXGRP = log2(_S_IXGRP), /* X for group */
IROTH = log2(_S_IROTH), /* R for other */
IWOTH = log2(_S_IWOTH), /* W for other */
IXOTH = log2(_S_IXOTH), /* X for other */
ISUID = log2(_S_ISUID), /* Set user ID on execution */
ISGID = log2(_S_ISGID), /* Set group ID on execution */
ISVXT = log2(_S_ISVTX), /* On directories, restricted deletion flag */
}
mode_t :: bit_set[Mode_Bits; _mode_t]
#assert(size_of(mode_t) == size_of(_mode_t))
S_IFMT :: mode_t{ .IFCHR, .IFREG, .IFDIR, .IFIFO }
S_IFSOCK :: mode_t{ .IFREG, .IFDIR }
S_IFLNK :: mode_t{ .IFREG, .IFCHR }
S_IFBLK :: mode_t{ .IFDIR, .IFCHR }
S_IFIFO :: mode_t{ .IFIFO }
S_IFCHR :: mode_t{ .IFCHR }
S_IFDIR :: mode_t{ .IFDIR }
S_IFREG :: mode_t{ .IFREG }
#assert(_S_IFMT == _S_IFCHR|_S_IFREG|_S_IFDIR|_S_IFIFO)
#assert(_S_IFSOCK == _S_IFREG|_S_IFDIR)
#assert(_S_IFLNK == _S_IFREG|_S_IFCHR)
#assert(_S_IFBLK == _S_IFDIR|_S_IFCHR)
// Test for a block special file.
S_ISBLK :: #force_inline proc "contextless" (m: mode_t) -> bool {
return (m & S_IFMT) == S_IFBLK
}
// Test for a character special file.
S_ISCHR :: #force_inline proc "contextless" (m: mode_t) -> bool {
return (m & S_IFMT) == S_IFCHR
}
// Test for a pipe or FIFO special file.
S_ISFIFO :: #force_inline proc "contextless" (m: mode_t) -> bool {
return (m & S_IFMT) == S_IFIFO
}
// Test for a regular file.
S_ISREG :: #force_inline proc "contextless" (m: mode_t) -> bool {
return (m & S_IFMT) == S_IFREG
}
// Test for a directory.
S_ISDIR :: #force_inline proc "contextless" (m: mode_t) -> bool {
return (m & S_IFMT) == S_IFDIR
}
// Test for a symbolic link.
S_ISLNK :: #force_inline proc "contextless" (m: mode_t) -> bool {
return (m & S_IFMT) == S_IFLNK
}
// Test for a socket.
S_ISSOCK :: #force_inline proc "contextless" (m: mode_t) -> bool {
return (m & S_IFMT) == S_IFSOCK
}
_S_IRWXU :: 0o000700
_S_IRUSR :: 0o000400
_S_IWUSR :: 0o000200
_S_IXUSR :: 0o000100
_S_IRWXG :: 0o000070
_S_IRGRP :: 0o000040
_S_IWGRP :: 0o000020
_S_IXGRP :: 0o000010
_S_IRWXO :: 0o000007
_S_IROTH :: 0o000004
_S_IWOTH :: 0o000002
_S_IXOTH :: 0o000001
_S_ISUID :: 0o004000
_S_ISGID :: 0o002000
_S_ISVTX :: 0o001000
_S_IFBLK :: 0o060000
_S_IFCHR :: 0o020000
_S_IFIFO :: 0o010000
_S_IFREG :: 0o100000
_S_IFDIR :: 0o040000
_S_IFLNK :: 0o120000
_S_IFSOCK :: 0o140000
_S_IFMT :: 0o170000
when ODIN_OS == .NetBSD {
@(private) LSTAT :: "__stat50"
@(private) LFSTAT :: "__fstat50"
@(private) LLSTAT :: "__lstat50"
@(private) LMKNOD :: "__mknod50"
} else {
@(private) LSTAT :: "stat" + INODE_SUFFIX
@(private) LFSTAT :: "fstat" + INODE_SUFFIX
@(private) LLSTAT :: "lstat" + INODE_SUFFIX
@(private) LMKNOD :: "mknod"
}
when ODIN_OS == .Darwin {
dev_t :: distinct c.int32_t
nlink_t :: distinct c.uint16_t
_mode_t :: distinct c.uint16_t
blkcnt_t :: distinct c.int64_t
blksize_t :: distinct c.int32_t
ino_t :: distinct c.uint64_t
stat_t :: struct {
st_dev: dev_t, /* [PSX] ID of device containing file */
st_mode: mode_t, /* [PSX] mode of file */
st_nlink: nlink_t, /* [PSX] number of hard links */
st_ino: ino_t, /* [PSX] file serial number */
st_uid: uid_t, /* [PSX] user ID of the file */
st_gid: gid_t, /* [PSX] group ID of the file */
st_rdev: dev_t, /* [PSX] device ID */
st_atim: timespec, /* [PSX] time of last access */
st_mtim: timespec, /* [PSX] time of last data modification */
st_ctim: timespec, /* [PSX] time of last status change */
st_birthtimespec: timespec, /* time of file creation(birth) */
st_size: off_t, /* [PSX] file size, in bytes */
st_blocks: blkcnt_t, /* [PSX] blocks allocated for file */
st_blksize: blksize_t, /* [PSX] optimal blocksize for I/O */
st_flags: c.uint32_t, /* user defined flags for file */
st_gen: c.uint32_t, /* file generation number */
st_lspare: c.int32_t, /* RESERVED */
st_qspare: [2]c.int64_t, /* RESERVED */
}
UTIME_NOW :: -1
UTIME_OMIT :: -2
} else when ODIN_OS == .FreeBSD {
dev_t :: distinct c.uint64_t
nlink_t :: distinct c.uint64_t
_mode_t :: distinct c.uint16_t
blkcnt_t :: distinct c.int64_t
blksize_t :: distinct c.int32_t
ino_t :: distinct c.uint64_t
when ODIN_ARCH == .i386 {
stat_t :: struct {
st_dev: dev_t, /* [PSX] ID of device containing file */
st_ino: ino_t, /* [PSX] file serial number */
st_nlink: nlink_t, /* [PSX] number of hard links */
st_mode: mode_t, /* [PSX] mode of file */
st_padding0: c.int16_t,
st_uid: uid_t, /* [PSX] user ID of the file */
st_gid: gid_t, /* [PSX] group ID of the file */
st_padding1: c.int32_t,
st_rdev: dev_t, /* [PSX] device ID */
st_atim_ext: c.int32_t,
st_atim: timespec, /* [PSX] time of last access */
st_mtim_ext: c.int32_t,
st_mtim: timespec, /* [PSX] time of last data modification */
st_ctim_ext: c.int32_t,
st_ctim: timespec, /* [PSX] time of last status change */
st_birthtimespec: timespec, /* time of file creation(birth) */
st_size: off_t, /* [PSX] file size, in bytes */
st_blocks: blkcnt_t, /* [PSX] blocks allocated for file */
st_blksize: blksize_t, /* [PSX] optimal blocksize for I/O */
st_flags: c.uint32_t, /* user defined flags for file */
st_gen: c.uint64_t,
st_spare: [10]c.uint64_t,
}
} else {
stat_t :: struct {
st_dev: dev_t, /* [PSX] ID of device containing file */
st_ino: ino_t, /* [PSX] file serial number */
st_nlink: nlink_t, /* [PSX] number of hard links */
st_mode: mode_t, /* [PSX] mode of file */
st_padding0: c.int16_t,
st_uid: uid_t, /* [PSX] user ID of the file */
st_gid: gid_t, /* [PSX] group ID of the file */
st_padding1: c.int32_t,
st_rdev: dev_t, /* [PSX] device ID */
st_atim: timespec, /* [PSX] time of last access */
st_mtim: timespec, /* [PSX] time of last data modification */
st_ctim: timespec, /* [PSX] time of last status change */
st_birthtimespec: timespec, /* time of file creation(birth) */
st_size: off_t, /* [PSX] file size, in bytes */
st_blocks: blkcnt_t, /* [PSX] blocks allocated for file */
st_blksize: blksize_t, /* [PSX] optimal blocksize for I/O */
st_flags: c.uint32_t, /* user defined flags for file */
st_gen: c.uint64_t,
st_spare: [10]c.uint64_t,
}
}
UTIME_NOW :: -1
UTIME_OMIT :: -2
} else when ODIN_OS == .NetBSD {
dev_t :: distinct c.uint64_t
nlink_t :: distinct c.uint32_t
_mode_t :: distinct c.uint32_t
blkcnt_t :: distinct c.int64_t
blksize_t :: distinct c.int32_t
ino_t :: distinct c.uint64_t
stat_t :: struct {
st_dev: dev_t, /* [PSX] ID of device containing file */
st_mode: mode_t, /* [PSX] mode of file */
st_ino: ino_t, /* [PSX] file serial number */
st_nlink: nlink_t, /* [PSX] number of hard links */
st_uid: uid_t, /* [PSX] user ID of the file */
st_gid: gid_t, /* [PSX] group ID of the file */
st_rdev: dev_t, /* [PSX] device ID */
st_atim: timespec, /* [PSX] time of last access */
st_mtim: timespec, /* [PSX] time of last data modification */
st_ctim: timespec, /* [PSX] time of last status change */
st_birthtimespec: timespec, /* time of file creation(birth) */
st_size: off_t, /* [PSX] file size, in bytes */
st_blocks: blkcnt_t, /* [PSX] blocks allocated for file */
st_blksize: blksize_t, /* [PSX] optimal blocksize for I/O */
st_flags: c.uint32_t, /* user defined flags for file */
st_gen: c.uint64_t,
st_spare: [2]c.uint32_t,
}
UTIME_NOW :: (1 << 30) - 1
UTIME_OMIT :: (1 << 30) - 2
} else when ODIN_OS == .OpenBSD {
dev_t :: distinct c.int32_t
nlink_t :: distinct c.uint32_t
_mode_t :: distinct c.uint32_t
blkcnt_t :: distinct c.int64_t
blksize_t :: distinct c.int32_t
ino_t :: distinct c.uint64_t
stat_t :: struct {
st_mode: mode_t, /* [PSX] mode of file */
st_dev: dev_t, /* [PSX] ID of device containing file */
st_ino: ino_t, /* [PSX] file serial number */
st_nlink: nlink_t, /* [PSX] number of hard links */
st_uid: uid_t, /* [PSX] user ID of the file */
st_gid: gid_t, /* [PSX] group ID of the file */
st_rdev: dev_t, /* [PSX] device ID */
st_atim: timespec, /* [PSX] time of last access */
st_mtim: timespec, /* [PSX] time of last data modification */
st_ctim: timespec, /* [PSX] time of last status change */
st_size: off_t, /* [PSX] file size, in bytes */
st_blocks: blkcnt_t, /* [PSX] blocks allocated for file */
st_blksize: blksize_t, /* [PSX] optimal blocksize for I/O */
st_flags: c.uint32_t, /* user defined flags for file */
st_gen: c.int32_t,
st_birthtimespec: timespec,
}
UTIME_NOW :: -2
UTIME_OMIT :: -1
} else when ODIN_OS == .Haiku {
dev_t :: distinct c.int32_t
nlink_t :: distinct c.int32_t
_mode_t :: distinct c.uint32_t
blkcnt_t :: distinct c.int64_t
blksize_t :: distinct c.int32_t
ino_t :: distinct c.int64_t
stat_t :: struct {
st_dev: dev_t, /* [PSX] ID of device containing file */
st_ino: ino_t, /* [PSX] file serial number */
st_mode: mode_t, /* [PSX] mode of file */
st_nlink: nlink_t, /* [PSX] number of hard links */
st_uid: uid_t, /* [PSX] user ID of the file */
st_gid: gid_t, /* [PSX] group ID of the file */
st_size: off_t, /* [PSX] file size, in bytes */
st_rdev: dev_t, /* [PSX] device ID */
st_blksize: blksize_t, /* [PSX] optimal blocksize for I/O */
st_atim: timespec, /* [PSX] time of last access */
st_mtim: timespec, /* [PSX] time of last data modification */
st_ctim: timespec, /* [PSX] time of last status change */
st_crtim: timespec, /* [PSX] time of last status change */
st_type: c.uint32_t,
st_blocks: blkcnt_t, /* [PSX] blocks allocated for file */
}
UTIME_NOW :: 1000000000
UTIME_OMIT :: 1000000001
} else when ODIN_OS == .Linux {
dev_t :: distinct u64
_mode_t :: distinct c.uint
blkcnt_t :: distinct i64
when ODIN_ARCH == .arm64 || ODIN_ARCH == .riscv64 {
nlink_t :: distinct c.uint
blksize_t :: distinct c.int
} else {
nlink_t :: distinct c.size_t
blksize_t :: distinct c.long
}
ino_t :: distinct u64
when ODIN_ARCH == .amd64 {
stat_t :: struct {
st_dev: dev_t, /* [PSX] ID of device containing file */
st_ino: ino_t, /* [PSX] file serial number */
st_nlink: nlink_t, /* [PSX] number of hard links */
st_mode: mode_t, /* [PSX] mode of file */
st_uid: uid_t, /* [PSX] user ID of the file */
st_gid: gid_t, /* [PSX] group ID of the file */
_pad0: c.uint,
st_rdev: dev_t, /* [PSX] device ID */
st_size: off_t, /* [PSX] file size, in bytes */
st_blksize: blksize_t, /* [PSX] optimal blocksize for I/O */
st_blocks: blkcnt_t, /* [PSX] blocks allocated for file */
st_atim: timespec, /* [PSX] time of last access */
st_mtim: timespec, /* [PSX] time of last data modification */
st_ctim: timespec, /* [PSX] time of last status change */
__unused: [3]c.long,
}
} else {
stat_t :: struct {
st_dev: dev_t, /* [PSX] ID of device containing file */
st_ino: ino_t, /* [PSX] file serial number */
st_mode: mode_t, /* [PSX] mode of file */
st_nlink: nlink_t, /* [PSX] number of hard links */
st_uid: uid_t, /* [PSX] user ID of the file */
st_gid: gid_t, /* [PSX] group ID of the file */
st_rdev: dev_t, /* [PSX] device ID */
__pad: c.ulonglong,
st_size: off_t, /* [PSX] file size, in bytes */
st_blksize: blksize_t, /* [PSX] optimal blocksize for I/O */
__pad2: c.int,
st_blocks: blkcnt_t, /* [PSX] blocks allocated for file */
st_atim: timespec, /* [PSX] time of last access */
st_mtim: timespec, /* [PSX] time of last data modification */
st_ctim: timespec, /* [PSX] time of last status change */
__unused: [2]c.uint,
}
}
}
|
