source: code/trunk/vendor/modernc.org/libc/libc_freebsd_arm.go@ 823

Last change on this file since 823 was 822, checked in by yakumo.izuru, 22 months ago

Prefer immortal.run over runit and rc.d, use vendored modules
for convenience.

Signed-off-by: Izuru Yakumo <yakumo.izuru@…>
File size: 17.3 KB
Line 
1// Copyright 2021 The Libc Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style
3// license that can be found in the LICENSE file.
4
5package libc // import "modernc.org/libc"
6
7import (
8 "strings"
9 "syscall"
10 "unsafe"
11
12 "golang.org/x/sys/unix"
13 "modernc.org/libc/fcntl"
14 "modernc.org/libc/fts"
15 "modernc.org/libc/sys/types"
16 "modernc.org/libc/time"
17 "modernc.org/libc/utime"
18)
19
20type (
21 long = int32
22 ulong = uint32
23)
24
25// int sigaction(int signum, const struct sigaction *act, struct sigaction *oldact);
26func Xsigaction(t *TLS, signum int32, act, oldact uintptr) int32 {
27 if _, _, err := unix.Syscall(unix.SYS_SIGACTION, uintptr(signum), act, oldact); err != 0 {
28 t.setErrno(err)
29 return -1
30 }
31
32 return 0
33}
34
35// FILE *fopen64(const char *pathname, const char *mode);
36func Xfopen64(t *TLS, pathname, mode uintptr) uintptr {
37 m := strings.ReplaceAll(GoString(mode), "b", "")
38 var flags int
39 switch m {
40 case "r":
41 flags = fcntl.O_RDONLY
42 case "r+":
43 flags = fcntl.O_RDWR
44 case "w":
45 flags = fcntl.O_WRONLY | fcntl.O_CREAT | fcntl.O_TRUNC
46 case "w+":
47 flags = fcntl.O_RDWR | fcntl.O_CREAT | fcntl.O_TRUNC
48 case "a":
49 flags = fcntl.O_WRONLY | fcntl.O_CREAT | fcntl.O_APPEND
50 case "a+":
51 flags = fcntl.O_RDWR | fcntl.O_CREAT | fcntl.O_APPEND
52 default:
53 panic(m)
54 }
55 fd, err := unix.Open(GoString(pathname), int(flags), 0666)
56 if err != nil {
57 if dmesgs {
58 dmesg("%v: %q %q: %v FAIL", origin(1), GoString(pathname), GoString(mode), err)
59 }
60 t.setErrno(err)
61 return 0
62 }
63
64 if dmesgs {
65 dmesg("%v: %q %q: fd %v", origin(1), GoString(pathname), GoString(mode), fd)
66 }
67 if p := newFile(t, int32(fd)); p != 0 {
68 return p
69 }
70
71 panic("OOM")
72}
73
74// int lstat(const char *pathname, struct stat *statbuf);
75func Xlstat64(t *TLS, pathname, statbuf uintptr) int32 {
76 if err := unix.Lstat(GoString(pathname), (*unix.Stat_t)(unsafe.Pointer(statbuf))); err != nil {
77 if dmesgs {
78 dmesg("%v: %q: %v FAIL", origin(1), GoString(pathname), err)
79 }
80 t.setErrno(err)
81 return -1
82 }
83
84 if dmesgs {
85 dmesg("%v: %q: ok", origin(1), GoString(pathname))
86 }
87 return 0
88}
89
90// int stat(const char *pathname, struct stat *statbuf);
91func Xstat64(t *TLS, pathname, statbuf uintptr) int32 {
92 if err := unix.Stat(GoString(pathname), (*unix.Stat_t)(unsafe.Pointer(statbuf))); err != nil {
93 if dmesgs {
94 dmesg("%v: %q: %v FAIL", origin(1), GoString(pathname), err)
95 }
96 t.setErrno(err)
97 return -1
98 }
99
100 if dmesgs {
101 dmesg("%v: %q: ok", origin(1), GoString(pathname))
102 }
103 return 0
104}
105
106// int mkdir(const char *path, mode_t mode);
107func Xmkdir(t *TLS, path uintptr, mode types.Mode_t) int32 {
108 if err := unix.Mkdir(GoString(path), uint32(mode)); err != nil {
109 if dmesgs {
110 dmesg("%v: %q: %v FAIL", origin(1), GoString(path), err)
111 }
112 t.setErrno(err)
113 return -1
114 }
115
116 if dmesgs {
117 dmesg("%v: %q: ok", origin(1), GoString(path))
118 }
119 return 0
120}
121
122// int access(const char *pathname, int mode);
123func Xaccess(t *TLS, pathname uintptr, mode int32) int32 {
124 if err := unix.Access(GoString(pathname), uint32(mode)); err != nil {
125 if dmesgs {
126 dmesg("%v: %q %#o: %v FAIL", origin(1), GoString(pathname), mode, err)
127 }
128 t.setErrno(err)
129 return -1
130 }
131
132 if dmesgs {
133 dmesg("%v: %q %#o: ok", origin(1), GoString(pathname), mode)
134 }
135 return 0
136}
137
138// int unlink(const char *pathname);
139func Xunlink(t *TLS, pathname uintptr) int32 {
140 if err := unix.Unlink(GoString(pathname)); err != nil {
141 if dmesgs {
142 dmesg("%v: %q: %v", origin(1), GoString(pathname), err)
143 }
144 t.setErrno(err)
145 return -1
146 }
147
148 if dmesgs {
149 dmesg("%v: ok", origin(1))
150 }
151 return 0
152}
153
154// ssize_t readlink(const char *restrict path, char *restrict buf, size_t bufsize);
155func Xreadlink(t *TLS, path, buf uintptr, bufsize types.Size_t) types.Ssize_t {
156 var n int
157 var err error
158 switch {
159 case buf == 0 || bufsize == 0:
160 n, err = unix.Readlink(GoString(path), nil)
161 default:
162 n, err = unix.Readlink(GoString(path), (*RawMem)(unsafe.Pointer(buf))[:bufsize:bufsize])
163 }
164 if err != nil {
165 if dmesgs {
166 dmesg("%v: %v FAIL", err)
167 }
168 t.setErrno(err)
169 return -1
170 }
171
172 if dmesgs {
173 dmesg("%v: ok")
174 }
175 return types.Ssize_t(n)
176}
177
178// int symlink(const char *target, const char *linkpath);
179func Xsymlink(t *TLS, target, linkpath uintptr) int32 {
180 if err := unix.Symlink(GoString(target), GoString(linkpath)); err != nil {
181 if dmesgs {
182 dmesg("%v: %v FAIL", origin(1), err)
183 }
184 t.setErrno(err)
185 return -1
186 }
187
188 if dmesgs {
189 dmesg("%v: ok", origin(1))
190 }
191 return 0
192}
193
194// int chmod(const char *pathname, mode_t mode)
195func Xchmod(t *TLS, pathname uintptr, mode types.Mode_t) int32 {
196 if err := unix.Chmod(GoString(pathname), uint32(mode)); err != nil {
197 if dmesgs {
198 dmesg("%v: %q %#o: %v FAIL", origin(1), GoString(pathname), mode, err)
199 }
200 t.setErrno(err)
201 return -1
202 }
203
204 if dmesgs {
205 dmesg("%v: %q %#o: ok", origin(1), GoString(pathname), mode)
206 }
207 return 0
208}
209
210// time_t time(time_t *tloc);
211func Xtime(t *TLS, tloc uintptr) time.Time_t {
212 panic(todo(""))
213 // n := time.Now().UTC().Unix()
214 // if tloc != 0 {
215 // *(*types.Time_t)(unsafe.Pointer(tloc)) = types.Time_t(n)
216 // }
217 // return types.Time_t(n)
218}
219
220// int utimes(const char *filename, const struct timeval times[2]);
221func Xutimes(t *TLS, filename, times uintptr) int32 {
222 var a []unix.Timeval
223 if times != 0 {
224 a = make([]unix.Timeval, 2)
225 a[0] = *(*unix.Timeval)(unsafe.Pointer(times))
226 a[1] = *(*unix.Timeval)(unsafe.Pointer(times + unsafe.Sizeof(unix.Timeval{})))
227 }
228 if err := unix.Utimes(GoString(filename), a); err != nil {
229 if dmesgs {
230 dmesg("%v: %v FAIL", origin(1), err)
231 }
232 t.setErrno(err)
233 return -1
234 }
235
236 if dmesgs {
237 dmesg("%v: ok", origin(1))
238 }
239 return 0
240}
241
242// int fstat(int fd, struct stat *statbuf);
243func Xfstat64(t *TLS, fd int32, statbuf uintptr) int32 {
244 if err := unix.Fstat(int(fd), (*unix.Stat_t)(unsafe.Pointer(statbuf))); err != nil {
245 if dmesgs {
246 dmesg("%v: fd %d: %v FAIL", origin(1), fd, err)
247 }
248 t.setErrno(err)
249 return -1
250 }
251
252 if dmesgs {
253 dmesg("%v: fd %d: ok", origin(1), fd)
254 }
255 return 0
256}
257
258// off64_t lseek64(int fd, off64_t offset, int whence);
259func Xlseek64(t *TLS, fd int32, offset types.Off_t, whence int32) types.Off_t {
260 n, err := unix.Seek(int(fd), int64(offset), int(whence))
261 if err != nil {
262 if dmesgs {
263 dmesg("%v: %v FAIL", origin(1), err)
264 }
265 t.setErrno(err)
266 return -1
267 }
268
269 if dmesgs {
270 dmesg("%v: ok", origin(1))
271 }
272 return types.Off_t(n)
273}
274
275func Xfcntl64(t *TLS, fd, cmd int32, args uintptr) int32 {
276 var arg uintptr
277 if args != 0 {
278 arg = *(*uintptr)(unsafe.Pointer(args))
279 }
280 n, _, err := unix.Syscall(unix.SYS_FCNTL, uintptr(fd), uintptr(cmd), arg)
281 if err != 0 {
282 if dmesgs {
283 dmesg("%v: fd %v cmd %v", origin(1), fcntlCmdStr(fd), cmd)
284 }
285 t.setErrno(err)
286 return -1
287 }
288
289 if dmesgs {
290 dmesg("%v: %d %s %#x: %d", origin(1), fd, fcntlCmdStr(cmd), arg, n)
291 }
292 return int32(n)
293}
294
295// int rename(const char *oldpath, const char *newpath);
296func Xrename(t *TLS, oldpath, newpath uintptr) int32 {
297 if err := unix.Rename(GoString(oldpath), GoString(newpath)); err != nil {
298 if dmesgs {
299 dmesg("%v: %v FAIL", origin(1), err)
300 }
301 t.setErrno(err)
302 return -1
303 }
304
305 if dmesgs {
306 dmesg("%v: ok", origin(1))
307 }
308 return 0
309}
310
311// int mknod(const char *pathname, mode_t mode, dev_t dev);
312func Xmknod(t *TLS, pathname uintptr, mode types.Mode_t, dev types.Dev_t) int32 {
313 panic(todo(""))
314 // if _, _, err := unix.Syscall(unix.SYS_MKNOD, pathname, uintptr(mode), uintptr(dev)); err != 0 {
315 // t.setErrno(err)
316 // return -1
317 // }
318
319 // return 0
320}
321
322// int utime(const char *filename, const struct utimbuf *times);
323func Xutime(t *TLS, filename, times uintptr) int32 {
324 var a []unix.Timeval
325 if times != 0 {
326 a = make([]unix.Timeval, 2)
327 a[0].Sec = (*utime.Utimbuf)(unsafe.Pointer(times)).Factime
328 a[1].Sec = (*utime.Utimbuf)(unsafe.Pointer(times)).Fmodtime
329 }
330 if err := unix.Utimes(GoString(filename), a); err != nil {
331 if dmesgs {
332 dmesg("%v: %v FAIL", origin(1), err)
333 }
334 t.setErrno(err)
335 return -1
336 }
337
338 if dmesgs {
339 dmesg("%v: ok", origin(1))
340 }
341 return 0
342}
343
344// int chown(const char *pathname, uid_t owner, gid_t group);
345func Xchown(t *TLS, pathname uintptr, owner types.Uid_t, group types.Gid_t) int32 {
346 if _, _, err := unix.Syscall(unix.SYS_CHOWN, pathname, uintptr(owner), uintptr(group)); err != 0 {
347 t.setErrno(err)
348 return -1
349 }
350
351 return 0
352}
353
354// int link(const char *oldpath, const char *newpath);
355func Xlink(t *TLS, oldpath, newpath uintptr) int32 {
356 panic(todo(""))
357 // if _, _, err := unix.Syscall(unix.SYS_LINK, oldpath, newpath, 0); err != 0 {
358 // t.setErrno(err)
359 // return -1
360 // }
361
362 // return 0
363}
364
365// int dup2(int oldfd, int newfd);
366func Xdup2(t *TLS, oldfd, newfd int32) int32 {
367 panic(todo(""))
368 // n, _, err := unix.Syscall(unix.SYS_DUP2, uintptr(oldfd), uintptr(newfd), 0)
369 // if err != 0 {
370 // t.setErrno(err)
371 // return -1
372 // }
373
374 // return int32(n)
375}
376
377// unsigned int alarm(unsigned int seconds);
378func Xalarm(t *TLS, seconds uint32) uint32 {
379 panic(todo(""))
380 // n, _, err := unix.Syscall(unix.SYS_ALARM, uintptr(seconds), 0, 0)
381 // if err != 0 {
382 // panic(todo(""))
383 // }
384
385 // return uint32(n)
386}
387
388func Xgetnameinfo(tls *TLS, sa1 uintptr, sl socklen_t, node uintptr, nodelen size_t, serv uintptr, servlen size_t, flags int32) int32 { /* getnameinfo.c:125:5: */
389 panic(todo(""))
390 //TODO bp := tls.Alloc(347)
391 //TODO defer tls.Free(347)
392
393 //TODO // var ptr [78]int8 at bp, 78
394
395 //TODO // var buf [256]int8 at bp+78, 256
396
397 //TODO // var num [13]int8 at bp+334, 13
398
399 //TODO var af int32 = int32((*sockaddr)(unsafe.Pointer(sa1)).sa_family)
400 //TODO var a uintptr
401 //TODO var scopeid uint32
402
403 //TODO switch af {
404 //TODO case 2:
405 //TODO a = (sa1 + 4 /* &.sin_addr */)
406 //TODO if (uint64(sl) < uint64(unsafe.Sizeof(sockaddr_in{}))) {
407 //TODO return -6
408 //TODO }
409 //TODO mkptr4(tls, bp /* &ptr[0] */, a)
410 //TODO scopeid = uint32(0)
411 //TODO break
412 //TODO case 10:
413 //TODO a = (sa1 + 8 /* &.sin6_addr */)
414 //TODO if (uint64(sl) < uint64(unsafe.Sizeof(sockaddr_in6{}))) {
415 //TODO return -6
416 //TODO }
417 //TODO if Xmemcmp(tls, a, ts+88 /* "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff" */, uint64(12)) != 0 {
418 //TODO mkptr6(tls, bp /* &ptr[0] */, a)
419 //TODO } else {
420 //TODO mkptr4(tls, bp /* &ptr[0] */, (a + uintptr(12)))
421 //TODO }
422 //TODO scopeid = (*sockaddr_in6)(unsafe.Pointer(sa1)).sin6_scope_id
423 //TODO break
424 //TODO default:
425 //TODO return -6
426 //TODO }
427
428 //TODO if (node != 0) && (nodelen != 0) {
429 //TODO *(*int8)(unsafe.Pointer(bp + 78 /* &buf[0] */)) = int8(0)
430 //TODO if !((flags & 0x01) != 0) {
431 //TODO reverse_hosts(tls, bp+78 /* &buf[0] */, a, scopeid, af)
432 //TODO }
433 //TODO if !(int32(*(*int8)(unsafe.Pointer(bp + 78 /* buf */))) != 0) && !((flags & 0x01) != 0) {
434 //TODO Xabort(tls) //TODO-
435 //TODO // unsigned char query[18+PTR_MAX], reply[512];
436 //TODO // int qlen = __res_mkquery(0, ptr, 1, RR_PTR,
437 //TODO // 0, 0, 0, query, sizeof query);
438 //TODO // query[3] = 0; /* don't need AD flag */
439 //TODO // int rlen = __res_send(query, qlen, reply, sizeof reply);
440 //TODO // buf[0] = 0;
441 //TODO // if (rlen > 0)
442 //TODO // __dns_parse(reply, rlen, dns_parse_callback, buf);
443 //TODO }
444 //TODO if !(int32(*(*int8)(unsafe.Pointer(bp + 78 /* buf */))) != 0) {
445 //TODO if (flags & 0x08) != 0 {
446 //TODO return -2
447 //TODO }
448 //TODO Xinet_ntop(tls, af, a, bp+78 /* &buf[0] */, uint32(unsafe.Sizeof([256]int8{})))
449 //TODO if scopeid != 0 {
450 //TODO Xabort(tls) //TODO-
451 //TODO // char *p = 0, tmp[IF_NAMESIZE+1];
452 //TODO // if (!(flags & NI_NUMERICSCOPE) &&
453 //TODO // (IN6_IS_ADDR_LINKLOCAL(a) ||
454 //TODO // IN6_IS_ADDR_MC_LINKLOCAL(a)))
455 //TODO // p = if_indextoname(scopeid, tmp+1);
456 //TODO // if (!p)
457 //TODO // p = itoa(num, scopeid);
458 //TODO // *--p = '%';
459 //TODO // strcat(buf, p);
460 //TODO }
461 //TODO }
462 //TODO if Xstrlen(tls, bp+78 /* &buf[0] */) >= size_t(nodelen) {
463 //TODO return -12
464 //TODO }
465 //TODO Xstrcpy(tls, node, bp+78 /* &buf[0] */)
466 //TODO }
467
468 //TODO if (serv != 0) && (servlen != 0) {
469 //TODO var p uintptr = bp + 78 /* buf */
470 //TODO var port int32 = int32(Xntohs(tls, (*sockaddr_in)(unsafe.Pointer(sa1)).sin_port))
471 //TODO *(*int8)(unsafe.Pointer(bp + 78 /* &buf[0] */)) = int8(0)
472 //TODO if !((flags & 0x02) != 0) {
473 //TODO reverse_services(tls, bp+78 /* &buf[0] */, port, (flags & 0x10))
474 //TODO }
475 //TODO if !(int32(*(*int8)(unsafe.Pointer(p))) != 0) {
476 //TODO p = itoa(tls, bp+334 /* &num[0] */, uint32(port))
477 //TODO }
478 //TODO if Xstrlen(tls, p) >= size_t(servlen) {
479 //TODO return -12
480 //TODO }
481 //TODO Xstrcpy(tls, serv, p)
482 //TODO }
483
484 //TODO return 0
485}
486
487func Xgethostbyaddr_r(tls *TLS, a uintptr, l socklen_t, af int32, h uintptr, buf uintptr, buflen size_t, res uintptr, err uintptr) int32 { /* gethostbyaddr_r.c:10:5: */
488 panic(todo(""))
489 //TODO bp := tls.Alloc(28)
490 //TODO defer tls.Free(28)
491
492 //TODO //TODO union {
493 //TODO //TODO struct sockaddr_in sin;
494 //TODO //TODO struct sockaddr_in6 sin6;
495 //TODO //TODO } sa = { .sin.sin_family = af };
496 //TODO *(*struct {
497 //TODO sin sockaddr_in
498 //TODO _ [12]byte
499 //TODO })(unsafe.Pointer(bp /* sa1 */)) = struct {
500 //TODO sin sockaddr_in
501 //TODO _ [12]byte
502 //TODO }{} //TODO-
503 //TODO (*sockaddr_in)(unsafe.Pointer(bp /* &sa1 */)).sin_family = sa_family_t(af) //TODO-
504 //TODO var sl socklen_t
505 //TODO if af == 10 {
506 //TODO sl = uint32(unsafe.Sizeof(sockaddr_in6{}))
507 //TODO } else {
508 //TODO sl = uint32(unsafe.Sizeof(sockaddr_in{}))
509 //TODO }
510 //TODO var i int32
511
512 //TODO *(*uintptr)(unsafe.Pointer(res)) = uintptr(0)
513
514 //TODO // Load address argument into sockaddr structure
515 //TODO if (af == 10) && (l == socklen_t(16)) {
516 //TODO Xmemcpy(tls, (bp /* &sa1 */ /* &.sin6 */ + 8 /* &.sin6_addr */), a, uint64(16))
517 //TODO } else if (af == 2) && (l == socklen_t(4)) {
518 //TODO Xmemcpy(tls, (bp /* &sa1 */ /* &.sin */ + 4 /* &.sin_addr */), a, uint64(4))
519 //TODO } else {
520 //TODO *(*int32)(unsafe.Pointer(err)) = 3
521 //TODO return 22
522 //TODO }
523
524 //TODO // Align buffer and check for space for pointers and ip address
525 //TODO i = (int32(uintptr_t(buf) & (uint64(unsafe.Sizeof(uintptr(0))) - uint64(1))))
526 //TODO if !(i != 0) {
527 //TODO i = int32(unsafe.Sizeof(uintptr(0)))
528 //TODO }
529 //TODO if buflen <= (((uint64(5) * uint64(unsafe.Sizeof(uintptr(0)))) - uint64(i)) + uint64(l)) {
530 //TODO return 34
531 //TODO }
532 //TODO buf += (uintptr(uint64(unsafe.Sizeof(uintptr(0))) - uint64(i)))
533 //TODO buflen = buflen - (((uint64(5) * uint64(unsafe.Sizeof(uintptr(0)))) - uint64(i)) + uint64(l))
534
535 //TODO (*hostent)(unsafe.Pointer(h)).h_addr_list = buf
536 //TODO buf += (uintptr(uint64(2) * uint64(unsafe.Sizeof(uintptr(0)))))
537 //TODO (*hostent)(unsafe.Pointer(h)).h_aliases = buf
538 //TODO buf += (uintptr(uint64(2) * uint64(unsafe.Sizeof(uintptr(0)))))
539
540 //TODO *(*uintptr)(unsafe.Pointer((*hostent)(unsafe.Pointer(h)).h_addr_list)) = buf
541 //TODO Xmemcpy(tls, *(*uintptr)(unsafe.Pointer((*hostent)(unsafe.Pointer(h)).h_addr_list)), a, uint64(l))
542 //TODO buf += uintptr(l)
543 //TODO *(*uintptr)(unsafe.Pointer((*hostent)(unsafe.Pointer(h)).h_addr_list + 1*8)) = uintptr(0)
544 //TODO *(*uintptr)(unsafe.Pointer((*hostent)(unsafe.Pointer(h)).h_aliases)) = buf
545 //TODO *(*uintptr)(unsafe.Pointer((*hostent)(unsafe.Pointer(h)).h_aliases + 1*8)) = uintptr(0)
546
547 //TODO switch Xgetnameinfo(tls, bp /* &sa1 */, sl, buf, uint32(buflen), uintptr(0), uint32(0), 0) {
548 //TODO case -3:
549 //TODO *(*int32)(unsafe.Pointer(err)) = 2
550 //TODO return 11
551 //TODO case -12:
552 //TODO return 34
553 //TODO default:
554 //TODO fallthrough
555 //TODO case -10:
556 //TODO fallthrough
557 //TODO case -11:
558 //TODO fallthrough
559 //TODO case -4:
560 //TODO *(*int32)(unsafe.Pointer(err)) = 3
561 //TODO return *(*int32)(unsafe.Pointer(X___errno_location(tls)))
562 //TODO case 0:
563 //TODO break
564 //TODO }
565
566 //TODO (*hostent)(unsafe.Pointer(h)).h_addrtype = af
567 //TODO (*hostent)(unsafe.Pointer(h)).h_length = int32(l)
568 //TODO (*hostent)(unsafe.Pointer(h)).h_name = *(*uintptr)(unsafe.Pointer((*hostent)(unsafe.Pointer(h)).h_aliases))
569 //TODO *(*uintptr)(unsafe.Pointer(res)) = h
570 //TODO return 0
571}
572
573// int getrlimit(int resource, struct rlimit *rlim);
574func Xgetrlimit64(t *TLS, resource int32, rlim uintptr) int32 {
575 if _, _, err := unix.Syscall(unix.SYS_GETRLIMIT, uintptr(resource), uintptr(rlim), 0); err != 0 {
576 t.setErrno(err)
577 return -1
578 }
579
580 return 0
581}
582
583func newFtsent(t *TLS, info int, path string, stat *unix.Stat_t, err syscall.Errno) (r *fts.FTSENT) {
584 var statp uintptr
585 if stat != nil {
586 statp = Xmalloc(t, types.Size_t(unsafe.Sizeof(unix.Stat_t{})))
587 if statp == 0 {
588 panic("OOM")
589 }
590
591 *(*unix.Stat_t)(unsafe.Pointer(statp)) = *stat
592 }
593 csp, errx := CString(path)
594 if errx != nil {
595 panic("OOM")
596 }
597
598 return &fts.FTSENT{
599 Ffts_info: int32(info),
600 Ffts_path: csp,
601 Ffts_pathlen: uint32(len(path)),
602 Ffts_statp: statp,
603 Ffts_errno: int32(err),
604 }
605}
606
607// DIR *opendir(const char *name);
608func Xopendir(t *TLS, name uintptr) uintptr {
609 p := Xmalloc(t, uint32(unsafe.Sizeof(darwinDir{})))
610 if p == 0 {
611 panic("OOM")
612 }
613
614 fd := int(Xopen(t, name, fcntl.O_RDONLY|fcntl.O_DIRECTORY|fcntl.O_CLOEXEC, 0))
615 if fd < 0 {
616 if dmesgs {
617 dmesg("%v: FAIL %v", origin(1), (*darwinDir)(unsafe.Pointer(p)).fd)
618 }
619 Xfree(t, p)
620 return 0
621 }
622
623 if dmesgs {
624 dmesg("%v: ok", origin(1))
625 }
626 (*darwinDir)(unsafe.Pointer(p)).fd = fd
627 (*darwinDir)(unsafe.Pointer(p)).h = 0
628 (*darwinDir)(unsafe.Pointer(p)).l = 0
629 (*darwinDir)(unsafe.Pointer(p)).eof = false
630 return p
631}
632
633// int chflags(const char *path, u_int flags);
634func Xchflags(t *TLS, path uintptr, flags uint32) int32 {
635 if err := unix.Chflags(GoString(path), int(flags)); err != nil {
636 if dmesgs {
637 dmesg("%v: %v FAIL", origin(1), err)
638 }
639 t.setErrno(err)
640 return -1
641 }
642
643 if dmesgs {
644 dmesg("%v: ok", origin(1))
645 }
646 return 0
647}
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