source: code/trunk/vendor/modernc.org/libc/libc_netbsd_arm.go@ 822

Last change on this file since 822 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: 17.0 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 panic(todo(""))
28 // if _, _, err := unix.Syscall(unix.SYS_SIGACTION, uintptr(signum), act, oldact); err != 0 {
29 // t.setErrno(err)
30 // return -1
31 // }
32
33 // return 0
34}
35
36// FILE *fopen64(const char *pathname, const char *mode);
37func Xfopen64(t *TLS, pathname, mode uintptr) uintptr {
38 m := strings.ReplaceAll(GoString(mode), "b", "")
39 var flags int
40 switch m {
41 case "r":
42 flags = fcntl.O_RDONLY
43 case "r+":
44 flags = fcntl.O_RDWR
45 case "w":
46 flags = fcntl.O_WRONLY | fcntl.O_CREAT | fcntl.O_TRUNC
47 case "w+":
48 flags = fcntl.O_RDWR | fcntl.O_CREAT | fcntl.O_TRUNC
49 case "a":
50 flags = fcntl.O_WRONLY | fcntl.O_CREAT | fcntl.O_APPEND
51 case "a+":
52 flags = fcntl.O_RDWR | fcntl.O_CREAT | fcntl.O_APPEND
53 default:
54 panic(m)
55 }
56 fd, err := unix.Open(GoString(pathname), int(flags), 0666)
57 if err != nil {
58 if dmesgs {
59 dmesg("%v: %q %q: %v FAIL", origin(1), GoString(pathname), GoString(mode), err)
60 }
61 t.setErrno(err)
62 return 0
63 }
64
65 if dmesgs {
66 dmesg("%v: %q %q: fd %v", origin(1), GoString(pathname), GoString(mode), fd)
67 }
68 if p := newFile(t, int32(fd)); p != 0 {
69 return p
70 }
71
72 panic("OOM")
73}
74
75// int lstat(const char *pathname, struct stat *statbuf);
76func Xlstat64(t *TLS, pathname, statbuf uintptr) int32 {
77 if err := unix.Lstat(GoString(pathname), (*unix.Stat_t)(unsafe.Pointer(statbuf))); err != nil {
78 if dmesgs {
79 dmesg("%v: %q: %v FAIL", origin(1), GoString(pathname), err)
80 }
81 t.setErrno(err)
82 return -1
83 }
84
85 if dmesgs {
86 dmesg("%v: %q: ok", origin(1), GoString(pathname))
87 }
88 return 0
89}
90
91// int stat(const char *pathname, struct stat *statbuf);
92func Xstat64(t *TLS, pathname, statbuf uintptr) int32 {
93 if err := unix.Stat(GoString(pathname), (*unix.Stat_t)(unsafe.Pointer(statbuf))); err != nil {
94 if dmesgs {
95 dmesg("%v: %q: %v FAIL", origin(1), GoString(pathname), err)
96 }
97 t.setErrno(err)
98 return -1
99 }
100
101 if dmesgs {
102 dmesg("%v: %q: ok", origin(1), GoString(pathname))
103 }
104 return 0
105}
106
107// int mkdir(const char *path, mode_t mode);
108func Xmkdir(t *TLS, path uintptr, mode types.Mode_t) int32 {
109 if err := unix.Mkdir(GoString(path), uint32(mode)); err != nil {
110 if dmesgs {
111 dmesg("%v: %q: %v FAIL", origin(1), GoString(path), err)
112 }
113 t.setErrno(err)
114 return -1
115 }
116
117 if dmesgs {
118 dmesg("%v: %q: ok", origin(1), GoString(path))
119 }
120 return 0
121}
122
123// int access(const char *pathname, int mode);
124func Xaccess(t *TLS, pathname uintptr, mode int32) int32 {
125 if err := unix.Access(GoString(pathname), uint32(mode)); err != nil {
126 if dmesgs {
127 dmesg("%v: %q %#o: %v FAIL", origin(1), GoString(pathname), mode, err)
128 }
129 t.setErrno(err)
130 return -1
131 }
132
133 if dmesgs {
134 dmesg("%v: %q %#o: ok", origin(1), GoString(pathname), mode)
135 }
136 return 0
137}
138
139// int unlink(const char *pathname);
140func Xunlink(t *TLS, pathname uintptr) int32 {
141 if err := unix.Unlink(GoString(pathname)); err != nil {
142 if dmesgs {
143 dmesg("%v: %q: %v", origin(1), GoString(pathname), err)
144 }
145 t.setErrno(err)
146 return -1
147 }
148
149 if dmesgs {
150 dmesg("%v: ok", origin(1))
151 }
152 return 0
153}
154
155// ssize_t readlink(const char *restrict path, char *restrict buf, size_t bufsize);
156func Xreadlink(t *TLS, path, buf uintptr, bufsize types.Size_t) types.Ssize_t {
157 var n int
158 var err error
159 switch {
160 case buf == 0 || bufsize == 0:
161 n, err = unix.Readlink(GoString(path), nil)
162 default:
163 n, err = unix.Readlink(GoString(path), (*RawMem)(unsafe.Pointer(buf))[:bufsize:bufsize])
164 }
165 if err != nil {
166 if dmesgs {
167 dmesg("%v: %v FAIL", err)
168 }
169 t.setErrno(err)
170 return -1
171 }
172
173 if dmesgs {
174 dmesg("%v: ok")
175 }
176 return types.Ssize_t(n)
177}
178
179// int symlink(const char *target, const char *linkpath);
180func Xsymlink(t *TLS, target, linkpath uintptr) int32 {
181 if err := unix.Symlink(GoString(target), GoString(linkpath)); err != nil {
182 if dmesgs {
183 dmesg("%v: %v FAIL", origin(1), err)
184 }
185 t.setErrno(err)
186 return -1
187 }
188
189 if dmesgs {
190 dmesg("%v: ok", origin(1))
191 }
192 return 0
193}
194
195// int chmod(const char *pathname, mode_t mode)
196func Xchmod(t *TLS, pathname uintptr, mode types.Mode_t) int32 {
197 if err := unix.Chmod(GoString(pathname), uint32(mode)); err != nil {
198 if dmesgs {
199 dmesg("%v: %q %#o: %v FAIL", origin(1), GoString(pathname), mode, err)
200 }
201 t.setErrno(err)
202 return -1
203 }
204
205 if dmesgs {
206 dmesg("%v: %q %#o: ok", origin(1), GoString(pathname), mode)
207 }
208 return 0
209}
210
211// time_t time(time_t *tloc);
212func Xtime(t *TLS, tloc uintptr) time.Time_t {
213 panic(todo(""))
214 // n := time.Now().UTC().Unix()
215 // if tloc != 0 {
216 // *(*types.Time_t)(unsafe.Pointer(tloc)) = types.Time_t(n)
217 // }
218 // return types.Time_t(n)
219}
220
221// int utimes(const char *filename, const struct timeval times[2]);
222func Xutimes(t *TLS, filename, times uintptr) int32 {
223 var a []unix.Timeval
224 if times != 0 {
225 a = make([]unix.Timeval, 2)
226 a[0] = *(*unix.Timeval)(unsafe.Pointer(times))
227 a[1] = *(*unix.Timeval)(unsafe.Pointer(times + unsafe.Sizeof(unix.Timeval{})))
228 }
229 if err := unix.Utimes(GoString(filename), a); err != nil {
230 if dmesgs {
231 dmesg("%v: %v FAIL", origin(1), err)
232 }
233 t.setErrno(err)
234 return -1
235 }
236
237 if dmesgs {
238 dmesg("%v: ok", origin(1))
239 }
240 return 0
241}
242
243// int fstat(int fd, struct stat *statbuf);
244func Xfstat64(t *TLS, fd int32, statbuf uintptr) int32 {
245 if err := unix.Fstat(int(fd), (*unix.Stat_t)(unsafe.Pointer(statbuf))); err != nil {
246 if dmesgs {
247 dmesg("%v: fd %d: %v FAIL", origin(1), fd, err)
248 }
249 t.setErrno(err)
250 return -1
251 }
252
253 if dmesgs {
254 dmesg("%v: fd %d: ok", origin(1), fd)
255 }
256 return 0
257}
258
259// off64_t lseek64(int fd, off64_t offset, int whence);
260func Xlseek64(t *TLS, fd int32, offset types.Off_t, whence int32) types.Off_t {
261 n, err := unix.Seek(int(fd), int64(offset), int(whence))
262 if err != nil {
263 if dmesgs {
264 dmesg("%v: %v FAIL", origin(1), err)
265 }
266 t.setErrno(err)
267 return -1
268 }
269
270 if dmesgs {
271 dmesg("%v: ok", origin(1))
272 }
273 return types.Off_t(n)
274}
275
276func Xfcntl64(t *TLS, fd, cmd int32, args uintptr) int32 {
277 var arg uintptr
278 if args != 0 {
279 arg = *(*uintptr)(unsafe.Pointer(args))
280 }
281 n, _, err := unix.Syscall(unix.SYS_FCNTL, uintptr(fd), uintptr(cmd), arg)
282 if err != 0 {
283 if dmesgs {
284 dmesg("%v: fd %v cmd %v", origin(1), fcntlCmdStr(fd), cmd)
285 }
286 t.setErrno(err)
287 return -1
288 }
289
290 if dmesgs {
291 dmesg("%v: %d %s %#x: %d", origin(1), fd, fcntlCmdStr(cmd), arg, n)
292 }
293 return int32(n)
294}
295
296// int rename(const char *oldpath, const char *newpath);
297func Xrename(t *TLS, oldpath, newpath uintptr) int32 {
298 if err := unix.Rename(GoString(oldpath), GoString(newpath)); err != nil {
299 if dmesgs {
300 dmesg("%v: %v FAIL", origin(1), err)
301 }
302 t.setErrno(err)
303 return -1
304 }
305
306 if dmesgs {
307 dmesg("%v: ok", origin(1))
308 }
309 return 0
310}
311
312// int mknod(const char *pathname, mode_t mode, dev_t dev);
313func Xmknod(t *TLS, pathname uintptr, mode types.Mode_t, dev types.Dev_t) int32 {
314 panic(todo(""))
315 // if _, _, err := unix.Syscall(unix.SYS_MKNOD, pathname, uintptr(mode), uintptr(dev)); err != 0 {
316 // t.setErrno(err)
317 // return -1
318 // }
319
320 // return 0
321}
322
323// int utime(const char *filename, const struct utimbuf *times);
324func Xutime(t *TLS, filename, times uintptr) int32 {
325 var a []unix.Timeval
326 if times != 0 {
327 a = make([]unix.Timeval, 2)
328 a[0].Sec = (*utime.Utimbuf)(unsafe.Pointer(times)).Factime
329 a[1].Sec = (*utime.Utimbuf)(unsafe.Pointer(times)).Fmodtime
330 }
331 if err := unix.Utimes(GoString(filename), a); err != nil {
332 if dmesgs {
333 dmesg("%v: %v FAIL", origin(1), err)
334 }
335 t.setErrno(err)
336 return -1
337 }
338
339 if dmesgs {
340 dmesg("%v: ok", origin(1))
341 }
342 return 0
343}
344
345// int chown(const char *pathname, uid_t owner, gid_t group);
346func Xchown(t *TLS, pathname uintptr, owner types.Uid_t, group types.Gid_t) int32 {
347 if _, _, err := unix.Syscall(unix.SYS_CHOWN, pathname, uintptr(owner), uintptr(group)); err != 0 {
348 t.setErrno(err)
349 return -1
350 }
351
352 return 0
353}
354
355// int link(const char *oldpath, const char *newpath);
356func Xlink(t *TLS, oldpath, newpath uintptr) int32 {
357 panic(todo(""))
358 // if _, _, err := unix.Syscall(unix.SYS_LINK, oldpath, newpath, 0); err != 0 {
359 // t.setErrno(err)
360 // return -1
361 // }
362
363 // return 0
364}
365
366// int dup2(int oldfd, int newfd);
367func Xdup2(t *TLS, oldfd, newfd int32) int32 {
368 panic(todo(""))
369 // n, _, err := unix.Syscall(unix.SYS_DUP2, uintptr(oldfd), uintptr(newfd), 0)
370 // if err != 0 {
371 // t.setErrno(err)
372 // return -1
373 // }
374
375 // return int32(n)
376}
377
378// unsigned int alarm(unsigned int seconds);
379func Xalarm(t *TLS, seconds uint32) uint32 {
380 panic(todo(""))
381 // n, _, err := unix.Syscall(unix.SYS_ALARM, uintptr(seconds), 0, 0)
382 // if err != 0 {
383 // panic(todo(""))
384 // }
385
386 // return uint32(n)
387}
388
389func 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: */
390 panic(todo(""))
391 //TODO bp := tls.Alloc(347)
392 //TODO defer tls.Free(347)
393
394 //TODO // var ptr [78]int8 at bp, 78
395
396 //TODO // var buf [256]int8 at bp+78, 256
397
398 //TODO // var num [13]int8 at bp+334, 13
399
400 //TODO var af int32 = int32((*sockaddr)(unsafe.Pointer(sa1)).sa_family)
401 //TODO var a uintptr
402 //TODO var scopeid uint32
403
404 //TODO switch af {
405 //TODO case 2:
406 //TODO a = (sa1 + 4 /* &.sin_addr */)
407 //TODO if (uint64(sl) < uint64(unsafe.Sizeof(sockaddr_in{}))) {
408 //TODO return -6
409 //TODO }
410 //TODO mkptr4(tls, bp /* &ptr[0] */, a)
411 //TODO scopeid = uint32(0)
412 //TODO break
413 //TODO case 10:
414 //TODO a = (sa1 + 8 /* &.sin6_addr */)
415 //TODO if (uint64(sl) < uint64(unsafe.Sizeof(sockaddr_in6{}))) {
416 //TODO return -6
417 //TODO }
418 //TODO if Xmemcmp(tls, a, ts+88 /* "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff" */, uint64(12)) != 0 {
419 //TODO mkptr6(tls, bp /* &ptr[0] */, a)
420 //TODO } else {
421 //TODO mkptr4(tls, bp /* &ptr[0] */, (a + uintptr(12)))
422 //TODO }
423 //TODO scopeid = (*sockaddr_in6)(unsafe.Pointer(sa1)).sin6_scope_id
424 //TODO break
425 //TODO default:
426 //TODO return -6
427 //TODO }
428
429 //TODO if (node != 0) && (nodelen != 0) {
430 //TODO *(*int8)(unsafe.Pointer(bp + 78 /* &buf[0] */)) = int8(0)
431 //TODO if !((flags & 0x01) != 0) {
432 //TODO reverse_hosts(tls, bp+78 /* &buf[0] */, a, scopeid, af)
433 //TODO }
434 //TODO if !(int32(*(*int8)(unsafe.Pointer(bp + 78 /* buf */))) != 0) && !((flags & 0x01) != 0) {
435 //TODO Xabort(tls) //TODO-
436 //TODO // unsigned char query[18+PTR_MAX], reply[512];
437 //TODO // int qlen = __res_mkquery(0, ptr, 1, RR_PTR,
438 //TODO // 0, 0, 0, query, sizeof query);
439 //TODO // query[3] = 0; /* don't need AD flag */
440 //TODO // int rlen = __res_send(query, qlen, reply, sizeof reply);
441 //TODO // buf[0] = 0;
442 //TODO // if (rlen > 0)
443 //TODO // __dns_parse(reply, rlen, dns_parse_callback, buf);
444 //TODO }
445 //TODO if !(int32(*(*int8)(unsafe.Pointer(bp + 78 /* buf */))) != 0) {
446 //TODO if (flags & 0x08) != 0 {
447 //TODO return -2
448 //TODO }
449 //TODO Xinet_ntop(tls, af, a, bp+78 /* &buf[0] */, uint32(unsafe.Sizeof([256]int8{})))
450 //TODO if scopeid != 0 {
451 //TODO Xabort(tls) //TODO-
452 //TODO // char *p = 0, tmp[IF_NAMESIZE+1];
453 //TODO // if (!(flags & NI_NUMERICSCOPE) &&
454 //TODO // (IN6_IS_ADDR_LINKLOCAL(a) ||
455 //TODO // IN6_IS_ADDR_MC_LINKLOCAL(a)))
456 //TODO // p = if_indextoname(scopeid, tmp+1);
457 //TODO // if (!p)
458 //TODO // p = itoa(num, scopeid);
459 //TODO // *--p = '%';
460 //TODO // strcat(buf, p);
461 //TODO }
462 //TODO }
463 //TODO if Xstrlen(tls, bp+78 /* &buf[0] */) >= size_t(nodelen) {
464 //TODO return -12
465 //TODO }
466 //TODO Xstrcpy(tls, node, bp+78 /* &buf[0] */)
467 //TODO }
468
469 //TODO if (serv != 0) && (servlen != 0) {
470 //TODO var p uintptr = bp + 78 /* buf */
471 //TODO var port int32 = int32(Xntohs(tls, (*sockaddr_in)(unsafe.Pointer(sa1)).sin_port))
472 //TODO *(*int8)(unsafe.Pointer(bp + 78 /* &buf[0] */)) = int8(0)
473 //TODO if !((flags & 0x02) != 0) {
474 //TODO reverse_services(tls, bp+78 /* &buf[0] */, port, (flags & 0x10))
475 //TODO }
476 //TODO if !(int32(*(*int8)(unsafe.Pointer(p))) != 0) {
477 //TODO p = itoa(tls, bp+334 /* &num[0] */, uint32(port))
478 //TODO }
479 //TODO if Xstrlen(tls, p) >= size_t(servlen) {
480 //TODO return -12
481 //TODO }
482 //TODO Xstrcpy(tls, serv, p)
483 //TODO }
484
485 //TODO return 0
486}
487
488func 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: */
489 panic(todo(""))
490 //TODO bp := tls.Alloc(28)
491 //TODO defer tls.Free(28)
492
493 //TODO //TODO union {
494 //TODO //TODO struct sockaddr_in sin;
495 //TODO //TODO struct sockaddr_in6 sin6;
496 //TODO //TODO } sa = { .sin.sin_family = af };
497 //TODO *(*struct {
498 //TODO sin sockaddr_in
499 //TODO _ [12]byte
500 //TODO })(unsafe.Pointer(bp /* sa1 */)) = struct {
501 //TODO sin sockaddr_in
502 //TODO _ [12]byte
503 //TODO }{} //TODO-
504 //TODO (*sockaddr_in)(unsafe.Pointer(bp /* &sa1 */)).sin_family = sa_family_t(af) //TODO-
505 //TODO var sl socklen_t
506 //TODO if af == 10 {
507 //TODO sl = uint32(unsafe.Sizeof(sockaddr_in6{}))
508 //TODO } else {
509 //TODO sl = uint32(unsafe.Sizeof(sockaddr_in{}))
510 //TODO }
511 //TODO var i int32
512
513 //TODO *(*uintptr)(unsafe.Pointer(res)) = uintptr(0)
514
515 //TODO // Load address argument into sockaddr structure
516 //TODO if (af == 10) && (l == socklen_t(16)) {
517 //TODO Xmemcpy(tls, (bp /* &sa1 */ /* &.sin6 */ + 8 /* &.sin6_addr */), a, uint64(16))
518 //TODO } else if (af == 2) && (l == socklen_t(4)) {
519 //TODO Xmemcpy(tls, (bp /* &sa1 */ /* &.sin */ + 4 /* &.sin_addr */), a, uint64(4))
520 //TODO } else {
521 //TODO *(*int32)(unsafe.Pointer(err)) = 3
522 //TODO return 22
523 //TODO }
524
525 //TODO // Align buffer and check for space for pointers and ip address
526 //TODO i = (int32(uintptr_t(buf) & (uint64(unsafe.Sizeof(uintptr(0))) - uint64(1))))
527 //TODO if !(i != 0) {
528 //TODO i = int32(unsafe.Sizeof(uintptr(0)))
529 //TODO }
530 //TODO if buflen <= (((uint64(5) * uint64(unsafe.Sizeof(uintptr(0)))) - uint64(i)) + uint64(l)) {
531 //TODO return 34
532 //TODO }
533 //TODO buf += (uintptr(uint64(unsafe.Sizeof(uintptr(0))) - uint64(i)))
534 //TODO buflen = buflen - (((uint64(5) * uint64(unsafe.Sizeof(uintptr(0)))) - uint64(i)) + uint64(l))
535
536 //TODO (*hostent)(unsafe.Pointer(h)).h_addr_list = buf
537 //TODO buf += (uintptr(uint64(2) * uint64(unsafe.Sizeof(uintptr(0)))))
538 //TODO (*hostent)(unsafe.Pointer(h)).h_aliases = buf
539 //TODO buf += (uintptr(uint64(2) * uint64(unsafe.Sizeof(uintptr(0)))))
540
541 //TODO *(*uintptr)(unsafe.Pointer((*hostent)(unsafe.Pointer(h)).h_addr_list)) = buf
542 //TODO Xmemcpy(tls, *(*uintptr)(unsafe.Pointer((*hostent)(unsafe.Pointer(h)).h_addr_list)), a, uint64(l))
543 //TODO buf += uintptr(l)
544 //TODO *(*uintptr)(unsafe.Pointer((*hostent)(unsafe.Pointer(h)).h_addr_list + 1*8)) = uintptr(0)
545 //TODO *(*uintptr)(unsafe.Pointer((*hostent)(unsafe.Pointer(h)).h_aliases)) = buf
546 //TODO *(*uintptr)(unsafe.Pointer((*hostent)(unsafe.Pointer(h)).h_aliases + 1*8)) = uintptr(0)
547
548 //TODO switch Xgetnameinfo(tls, bp /* &sa1 */, sl, buf, uint32(buflen), uintptr(0), uint32(0), 0) {
549 //TODO case -3:
550 //TODO *(*int32)(unsafe.Pointer(err)) = 2
551 //TODO return 11
552 //TODO case -12:
553 //TODO return 34
554 //TODO default:
555 //TODO fallthrough
556 //TODO case -10:
557 //TODO fallthrough
558 //TODO case -11:
559 //TODO fallthrough
560 //TODO case -4:
561 //TODO *(*int32)(unsafe.Pointer(err)) = 3
562 //TODO return *(*int32)(unsafe.Pointer(X___errno_location(tls)))
563 //TODO case 0:
564 //TODO break
565 //TODO }
566
567 //TODO (*hostent)(unsafe.Pointer(h)).h_addrtype = af
568 //TODO (*hostent)(unsafe.Pointer(h)).h_length = int32(l)
569 //TODO (*hostent)(unsafe.Pointer(h)).h_name = *(*uintptr)(unsafe.Pointer((*hostent)(unsafe.Pointer(h)).h_aliases))
570 //TODO *(*uintptr)(unsafe.Pointer(res)) = h
571 //TODO return 0
572}
573
574// int getrlimit(int resource, struct rlimit *rlim);
575func Xgetrlimit64(t *TLS, resource int32, rlim uintptr) int32 {
576 if _, _, err := unix.Syscall(unix.SYS_GETRLIMIT, uintptr(resource), uintptr(rlim), 0); err != 0 {
577 t.setErrno(err)
578 return -1
579 }
580
581 return 0
582}
583
584func newFtsent(t *TLS, info int, path string, stat *unix.Stat_t, err syscall.Errno) (r *fts.FTSENT) {
585 var statp uintptr
586 if stat != nil {
587 statp = Xmalloc(t, types.Size_t(unsafe.Sizeof(unix.Stat_t{})))
588 if statp == 0 {
589 panic("OOM")
590 }
591
592 *(*unix.Stat_t)(unsafe.Pointer(statp)) = *stat
593 }
594 csp, errx := CString(path)
595 if errx != nil {
596 panic("OOM")
597 }
598
599 return &fts.FTSENT{
600 Ffts_info: uint16(info),
601 Ffts_path: csp,
602 Ffts_pathlen: uint32(len(path)),
603 Ffts_statp: statp,
604 Ffts_errno: int32(err),
605 }
606}
607
608// DIR *opendir(const char *name);
609func Xopendir(t *TLS, name uintptr) uintptr {
610 p := Xmalloc(t, uint32(unsafe.Sizeof(darwinDir{})))
611 if p == 0 {
612 panic("OOM")
613 }
614
615 fd := int(Xopen(t, name, fcntl.O_RDONLY|fcntl.O_DIRECTORY|fcntl.O_CLOEXEC, 0))
616 if fd < 0 {
617 if dmesgs {
618 dmesg("%v: FAIL %v", origin(1), (*darwinDir)(unsafe.Pointer(p)).fd)
619 }
620 Xfree(t, p)
621 return 0
622 }
623
624 if dmesgs {
625 dmesg("%v: ok", origin(1))
626 }
627 (*darwinDir)(unsafe.Pointer(p)).fd = fd
628 (*darwinDir)(unsafe.Pointer(p)).h = 0
629 (*darwinDir)(unsafe.Pointer(p)).l = 0
630 (*darwinDir)(unsafe.Pointer(p)).eof = false
631 return p
632}
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