libc_netbsd_amd64.go 17 KB

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  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. package libc // import "modernc.org/libc"
  5. import (
  6. "strings"
  7. "syscall"
  8. "unsafe"
  9. "golang.org/x/sys/unix"
  10. "modernc.org/libc/fcntl"
  11. "modernc.org/libc/fts"
  12. "modernc.org/libc/sys/types"
  13. "modernc.org/libc/time"
  14. "modernc.org/libc/utime"
  15. )
  16. type (
  17. long = int64
  18. ulong = uint64
  19. )
  20. // int sigaction(int signum, const struct sigaction *act, struct sigaction *oldact);
  21. func Xsigaction(t *TLS, signum int32, act, oldact uintptr) int32 {
  22. panic(todo(""))
  23. // if _, _, err := unix.Syscall(unix.SYS_SIGACTION, uintptr(signum), act, oldact); err != 0 {
  24. // t.setErrno(err)
  25. // return -1
  26. // }
  27. // return 0
  28. }
  29. // FILE *fopen64(const char *pathname, const char *mode);
  30. func Xfopen64(t *TLS, pathname, mode uintptr) uintptr {
  31. m := strings.ReplaceAll(GoString(mode), "b", "")
  32. var flags int
  33. switch m {
  34. case "r":
  35. flags = fcntl.O_RDONLY
  36. case "r+":
  37. flags = fcntl.O_RDWR
  38. case "w":
  39. flags = fcntl.O_WRONLY | fcntl.O_CREAT | fcntl.O_TRUNC
  40. case "w+":
  41. flags = fcntl.O_RDWR | fcntl.O_CREAT | fcntl.O_TRUNC
  42. case "a":
  43. flags = fcntl.O_WRONLY | fcntl.O_CREAT | fcntl.O_APPEND
  44. case "a+":
  45. flags = fcntl.O_RDWR | fcntl.O_CREAT | fcntl.O_APPEND
  46. default:
  47. panic(m)
  48. }
  49. fd, err := unix.Open(GoString(pathname), int(flags), 0666)
  50. if err != nil {
  51. if dmesgs {
  52. dmesg("%v: %q %q: %v FAIL", origin(1), GoString(pathname), GoString(mode), err)
  53. }
  54. t.setErrno(err)
  55. return 0
  56. }
  57. if dmesgs {
  58. dmesg("%v: %q %q: fd %v", origin(1), GoString(pathname), GoString(mode), fd)
  59. }
  60. if p := newFile(t, int32(fd)); p != 0 {
  61. return p
  62. }
  63. panic("OOM")
  64. }
  65. // int lstat(const char *pathname, struct stat *statbuf);
  66. func Xlstat64(t *TLS, pathname, statbuf uintptr) int32 {
  67. if err := unix.Lstat(GoString(pathname), (*unix.Stat_t)(unsafe.Pointer(statbuf))); err != nil {
  68. if dmesgs {
  69. dmesg("%v: %q: %v FAIL", origin(1), GoString(pathname), err)
  70. }
  71. t.setErrno(err)
  72. return -1
  73. }
  74. if dmesgs {
  75. dmesg("%v: %q: ok", origin(1), GoString(pathname))
  76. }
  77. return 0
  78. }
  79. // int stat(const char *pathname, struct stat *statbuf);
  80. func Xstat64(t *TLS, pathname, statbuf uintptr) int32 {
  81. if err := unix.Stat(GoString(pathname), (*unix.Stat_t)(unsafe.Pointer(statbuf))); err != nil {
  82. if dmesgs {
  83. dmesg("%v: %q: %v FAIL", origin(1), GoString(pathname), err)
  84. }
  85. t.setErrno(err)
  86. return -1
  87. }
  88. if dmesgs {
  89. dmesg("%v: %q: ok", origin(1), GoString(pathname))
  90. }
  91. return 0
  92. }
  93. // int mkdir(const char *path, mode_t mode);
  94. func Xmkdir(t *TLS, path uintptr, mode types.Mode_t) int32 {
  95. if err := unix.Mkdir(GoString(path), uint32(mode)); err != nil {
  96. if dmesgs {
  97. dmesg("%v: %q: %v FAIL", origin(1), GoString(path), err)
  98. }
  99. t.setErrno(err)
  100. return -1
  101. }
  102. if dmesgs {
  103. dmesg("%v: %q: ok", origin(1), GoString(path))
  104. }
  105. return 0
  106. }
  107. // int access(const char *pathname, int mode);
  108. func Xaccess(t *TLS, pathname uintptr, mode int32) int32 {
  109. if err := unix.Access(GoString(pathname), uint32(mode)); err != nil {
  110. if dmesgs {
  111. dmesg("%v: %q %#o: %v FAIL", origin(1), GoString(pathname), mode, err)
  112. }
  113. t.setErrno(err)
  114. return -1
  115. }
  116. if dmesgs {
  117. dmesg("%v: %q %#o: ok", origin(1), GoString(pathname), mode)
  118. }
  119. return 0
  120. }
  121. // int unlink(const char *pathname);
  122. func Xunlink(t *TLS, pathname uintptr) int32 {
  123. if err := unix.Unlink(GoString(pathname)); err != nil {
  124. if dmesgs {
  125. dmesg("%v: %q: %v", origin(1), GoString(pathname), err)
  126. }
  127. t.setErrno(err)
  128. return -1
  129. }
  130. if dmesgs {
  131. dmesg("%v: ok", origin(1))
  132. }
  133. return 0
  134. }
  135. // ssize_t readlink(const char *restrict path, char *restrict buf, size_t bufsize);
  136. func Xreadlink(t *TLS, path, buf uintptr, bufsize types.Size_t) types.Ssize_t {
  137. var n int
  138. var err error
  139. switch {
  140. case buf == 0 || bufsize == 0:
  141. n, err = unix.Readlink(GoString(path), nil)
  142. default:
  143. n, err = unix.Readlink(GoString(path), (*RawMem)(unsafe.Pointer(buf))[:bufsize:bufsize])
  144. }
  145. if err != nil {
  146. if dmesgs {
  147. dmesg("%v: %v FAIL", err)
  148. }
  149. t.setErrno(err)
  150. return -1
  151. }
  152. if dmesgs {
  153. dmesg("%v: ok")
  154. }
  155. return types.Ssize_t(n)
  156. }
  157. // int symlink(const char *target, const char *linkpath);
  158. func Xsymlink(t *TLS, target, linkpath uintptr) int32 {
  159. if err := unix.Symlink(GoString(target), GoString(linkpath)); err != nil {
  160. if dmesgs {
  161. dmesg("%v: %v FAIL", origin(1), err)
  162. }
  163. t.setErrno(err)
  164. return -1
  165. }
  166. if dmesgs {
  167. dmesg("%v: ok", origin(1))
  168. }
  169. return 0
  170. }
  171. // int chmod(const char *pathname, mode_t mode)
  172. func Xchmod(t *TLS, pathname uintptr, mode types.Mode_t) int32 {
  173. if err := unix.Chmod(GoString(pathname), uint32(mode)); err != nil {
  174. if dmesgs {
  175. dmesg("%v: %q %#o: %v FAIL", origin(1), GoString(pathname), mode, err)
  176. }
  177. t.setErrno(err)
  178. return -1
  179. }
  180. if dmesgs {
  181. dmesg("%v: %q %#o: ok", origin(1), GoString(pathname), mode)
  182. }
  183. return 0
  184. }
  185. // time_t time(time_t *tloc);
  186. func Xtime(t *TLS, tloc uintptr) time.Time_t {
  187. panic(todo(""))
  188. // n := time.Now().UTC().Unix()
  189. // if tloc != 0 {
  190. // *(*types.Time_t)(unsafe.Pointer(tloc)) = types.Time_t(n)
  191. // }
  192. // return types.Time_t(n)
  193. }
  194. // int utimes(const char *filename, const struct timeval times[2]);
  195. func Xutimes(t *TLS, filename, times uintptr) int32 {
  196. var a []unix.Timeval
  197. if times != 0 {
  198. a = make([]unix.Timeval, 2)
  199. a[0] = *(*unix.Timeval)(unsafe.Pointer(times))
  200. a[1] = *(*unix.Timeval)(unsafe.Pointer(times + unsafe.Sizeof(unix.Timeval{})))
  201. }
  202. if err := unix.Utimes(GoString(filename), a); err != nil {
  203. if dmesgs {
  204. dmesg("%v: %v FAIL", origin(1), err)
  205. }
  206. t.setErrno(err)
  207. return -1
  208. }
  209. if dmesgs {
  210. dmesg("%v: ok", origin(1))
  211. }
  212. return 0
  213. }
  214. // int fstat(int fd, struct stat *statbuf);
  215. func Xfstat64(t *TLS, fd int32, statbuf uintptr) int32 {
  216. if err := unix.Fstat(int(fd), (*unix.Stat_t)(unsafe.Pointer(statbuf))); err != nil {
  217. if dmesgs {
  218. dmesg("%v: fd %d: %v FAIL", origin(1), fd, err)
  219. }
  220. t.setErrno(err)
  221. return -1
  222. }
  223. if dmesgs {
  224. dmesg("%v: fd %d: ok", origin(1), fd)
  225. }
  226. return 0
  227. }
  228. // off64_t lseek64(int fd, off64_t offset, int whence);
  229. func Xlseek64(t *TLS, fd int32, offset types.Off_t, whence int32) types.Off_t {
  230. n, err := unix.Seek(int(fd), int64(offset), int(whence))
  231. if err != nil {
  232. if dmesgs {
  233. dmesg("%v: %v FAIL", origin(1), err)
  234. }
  235. t.setErrno(err)
  236. return -1
  237. }
  238. if dmesgs {
  239. dmesg("%v: ok", origin(1))
  240. }
  241. return types.Off_t(n)
  242. }
  243. func Xfcntl64(t *TLS, fd, cmd int32, args uintptr) int32 {
  244. var arg uintptr
  245. if args != 0 {
  246. arg = *(*uintptr)(unsafe.Pointer(args))
  247. }
  248. n, _, err := unix.Syscall(unix.SYS_FCNTL, uintptr(fd), uintptr(cmd), arg)
  249. if err != 0 {
  250. if dmesgs {
  251. dmesg("%v: fd %v cmd %v", origin(1), fcntlCmdStr(fd), cmd)
  252. }
  253. t.setErrno(err)
  254. return -1
  255. }
  256. if dmesgs {
  257. dmesg("%v: %d %s %#x: %d", origin(1), fd, fcntlCmdStr(cmd), arg, n)
  258. }
  259. return int32(n)
  260. }
  261. // int rename(const char *oldpath, const char *newpath);
  262. func Xrename(t *TLS, oldpath, newpath uintptr) int32 {
  263. if err := unix.Rename(GoString(oldpath), GoString(newpath)); err != nil {
  264. if dmesgs {
  265. dmesg("%v: %v FAIL", origin(1), err)
  266. }
  267. t.setErrno(err)
  268. return -1
  269. }
  270. if dmesgs {
  271. dmesg("%v: ok", origin(1))
  272. }
  273. return 0
  274. }
  275. // int mknod(const char *pathname, mode_t mode, dev_t dev);
  276. func Xmknod(t *TLS, pathname uintptr, mode types.Mode_t, dev types.Dev_t) int32 {
  277. panic(todo(""))
  278. // if _, _, err := unix.Syscall(unix.SYS_MKNOD, pathname, uintptr(mode), uintptr(dev)); err != 0 {
  279. // t.setErrno(err)
  280. // return -1
  281. // }
  282. // return 0
  283. }
  284. // int utime(const char *filename, const struct utimbuf *times);
  285. func Xutime(t *TLS, filename, times uintptr) int32 {
  286. var a []unix.Timeval
  287. if times != 0 {
  288. a = make([]unix.Timeval, 2)
  289. a[0].Sec = (*utime.Utimbuf)(unsafe.Pointer(times)).Factime
  290. a[1].Sec = (*utime.Utimbuf)(unsafe.Pointer(times)).Fmodtime
  291. }
  292. if err := unix.Utimes(GoString(filename), a); err != nil {
  293. if dmesgs {
  294. dmesg("%v: %v FAIL", origin(1), err)
  295. }
  296. t.setErrno(err)
  297. return -1
  298. }
  299. if dmesgs {
  300. dmesg("%v: ok", origin(1))
  301. }
  302. return 0
  303. }
  304. // int chown(const char *pathname, uid_t owner, gid_t group);
  305. func Xchown(t *TLS, pathname uintptr, owner types.Uid_t, group types.Gid_t) int32 {
  306. if _, _, err := unix.Syscall(unix.SYS_CHOWN, pathname, uintptr(owner), uintptr(group)); err != 0 {
  307. t.setErrno(err)
  308. return -1
  309. }
  310. return 0
  311. }
  312. // int link(const char *oldpath, const char *newpath);
  313. func Xlink(t *TLS, oldpath, newpath uintptr) int32 {
  314. panic(todo(""))
  315. // if _, _, err := unix.Syscall(unix.SYS_LINK, oldpath, newpath, 0); err != 0 {
  316. // t.setErrno(err)
  317. // return -1
  318. // }
  319. // return 0
  320. }
  321. // int dup2(int oldfd, int newfd);
  322. func Xdup2(t *TLS, oldfd, newfd int32) int32 {
  323. panic(todo(""))
  324. // n, _, err := unix.Syscall(unix.SYS_DUP2, uintptr(oldfd), uintptr(newfd), 0)
  325. // if err != 0 {
  326. // t.setErrno(err)
  327. // return -1
  328. // }
  329. // return int32(n)
  330. }
  331. // unsigned int alarm(unsigned int seconds);
  332. func Xalarm(t *TLS, seconds uint32) uint32 {
  333. panic(todo(""))
  334. // n, _, err := unix.Syscall(unix.SYS_ALARM, uintptr(seconds), 0, 0)
  335. // if err != 0 {
  336. // panic(todo(""))
  337. // }
  338. // return uint32(n)
  339. }
  340. // int getnameinfo(const struct sockaddr * restrict sa, socklen_t salen, char * restrict host, socklen_t hostlen, char * restrict serv, socklen_t servlen, int flags);
  341. func Xgetnameinfo(tls *TLS, sa1 uintptr, sl socklen_t, node uintptr, nodelen socklen_t, serv uintptr, servlen socklen_t, flags int32) int32 { /* getnameinfo.c:125:5: */
  342. panic(todo(""))
  343. //TODO bp := tls.Alloc(347)
  344. //TODO defer tls.Free(347)
  345. //TODO // var ptr [78]int8 at bp, 78
  346. //TODO // var buf [256]int8 at bp+78, 256
  347. //TODO // var num [13]int8 at bp+334, 13
  348. //TODO var af int32 = int32((*sockaddr)(unsafe.Pointer(sa1)).sa_family)
  349. //TODO var a uintptr
  350. //TODO var scopeid uint32
  351. //TODO switch af {
  352. //TODO case 2:
  353. //TODO a = (sa1 + 4 /* &.sin_addr */)
  354. //TODO if (uint64(sl) < uint64(unsafe.Sizeof(sockaddr_in{}))) {
  355. //TODO return -6
  356. //TODO }
  357. //TODO mkptr4(tls, bp /* &ptr[0] */, a)
  358. //TODO scopeid = uint32(0)
  359. //TODO break
  360. //TODO case 10:
  361. //TODO a = (sa1 + 8 /* &.sin6_addr */)
  362. //TODO if (uint64(sl) < uint64(unsafe.Sizeof(sockaddr_in6{}))) {
  363. //TODO return -6
  364. //TODO }
  365. //TODO if Xmemcmp(tls, a, ts+88 /* "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff" */, uint64(12)) != 0 {
  366. //TODO mkptr6(tls, bp /* &ptr[0] */, a)
  367. //TODO } else {
  368. //TODO mkptr4(tls, bp /* &ptr[0] */, (a + uintptr(12)))
  369. //TODO }
  370. //TODO scopeid = (*sockaddr_in6)(unsafe.Pointer(sa1)).sin6_scope_id
  371. //TODO break
  372. //TODO default:
  373. //TODO return -6
  374. //TODO }
  375. //TODO if (node != 0) && (nodelen != 0) {
  376. //TODO *(*int8)(unsafe.Pointer(bp + 78 /* &buf[0] */)) = int8(0)
  377. //TODO if !((flags & 0x01) != 0) {
  378. //TODO reverse_hosts(tls, bp+78 /* &buf[0] */, a, scopeid, af)
  379. //TODO }
  380. //TODO if !(int32(*(*int8)(unsafe.Pointer(bp + 78 /* buf */))) != 0) && !((flags & 0x01) != 0) {
  381. //TODO Xabort(tls) //TODO-
  382. //TODO // unsigned char query[18+PTR_MAX], reply[512];
  383. //TODO // int qlen = __res_mkquery(0, ptr, 1, RR_PTR,
  384. //TODO // 0, 0, 0, query, sizeof query);
  385. //TODO // query[3] = 0; /* don't need AD flag */
  386. //TODO // int rlen = __res_send(query, qlen, reply, sizeof reply);
  387. //TODO // buf[0] = 0;
  388. //TODO // if (rlen > 0)
  389. //TODO // __dns_parse(reply, rlen, dns_parse_callback, buf);
  390. //TODO }
  391. //TODO if !(int32(*(*int8)(unsafe.Pointer(bp + 78 /* buf */))) != 0) {
  392. //TODO if (flags & 0x08) != 0 {
  393. //TODO return -2
  394. //TODO }
  395. //TODO Xinet_ntop(tls, af, a, bp+78 /* &buf[0] */, uint32(unsafe.Sizeof([256]int8{})))
  396. //TODO if scopeid != 0 {
  397. //TODO Xabort(tls) //TODO-
  398. //TODO // char *p = 0, tmp[IF_NAMESIZE+1];
  399. //TODO // if (!(flags & NI_NUMERICSCOPE) &&
  400. //TODO // (IN6_IS_ADDR_LINKLOCAL(a) ||
  401. //TODO // IN6_IS_ADDR_MC_LINKLOCAL(a)))
  402. //TODO // p = if_indextoname(scopeid, tmp+1);
  403. //TODO // if (!p)
  404. //TODO // p = itoa(num, scopeid);
  405. //TODO // *--p = '%';
  406. //TODO // strcat(buf, p);
  407. //TODO }
  408. //TODO }
  409. //TODO if Xstrlen(tls, bp+78 /* &buf[0] */) >= size_t(nodelen) {
  410. //TODO return -12
  411. //TODO }
  412. //TODO Xstrcpy(tls, node, bp+78 /* &buf[0] */)
  413. //TODO }
  414. //TODO if (serv != 0) && (servlen != 0) {
  415. //TODO var p uintptr = bp + 78 /* buf */
  416. //TODO var port int32 = int32(Xntohs(tls, (*sockaddr_in)(unsafe.Pointer(sa1)).sin_port))
  417. //TODO *(*int8)(unsafe.Pointer(bp + 78 /* &buf[0] */)) = int8(0)
  418. //TODO if !((flags & 0x02) != 0) {
  419. //TODO reverse_services(tls, bp+78 /* &buf[0] */, port, (flags & 0x10))
  420. //TODO }
  421. //TODO if !(int32(*(*int8)(unsafe.Pointer(p))) != 0) {
  422. //TODO p = itoa(tls, bp+334 /* &num[0] */, uint32(port))
  423. //TODO }
  424. //TODO if Xstrlen(tls, p) >= size_t(servlen) {
  425. //TODO return -12
  426. //TODO }
  427. //TODO Xstrcpy(tls, serv, p)
  428. //TODO }
  429. //TODO return 0
  430. }
  431. func 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: */
  432. panic(todo(""))
  433. //TODO bp := tls.Alloc(28)
  434. //TODO defer tls.Free(28)
  435. //TODO //TODO union {
  436. //TODO //TODO struct sockaddr_in sin;
  437. //TODO //TODO struct sockaddr_in6 sin6;
  438. //TODO //TODO } sa = { .sin.sin_family = af };
  439. //TODO *(*struct {
  440. //TODO sin sockaddr_in
  441. //TODO _ [12]byte
  442. //TODO })(unsafe.Pointer(bp /* sa1 */)) = struct {
  443. //TODO sin sockaddr_in
  444. //TODO _ [12]byte
  445. //TODO }{} //TODO-
  446. //TODO (*sockaddr_in)(unsafe.Pointer(bp /* &sa1 */)).sin_family = sa_family_t(af) //TODO-
  447. //TODO var sl socklen_t
  448. //TODO if af == 10 {
  449. //TODO sl = uint32(unsafe.Sizeof(sockaddr_in6{}))
  450. //TODO } else {
  451. //TODO sl = uint32(unsafe.Sizeof(sockaddr_in{}))
  452. //TODO }
  453. //TODO var i int32
  454. //TODO *(*uintptr)(unsafe.Pointer(res)) = uintptr(0)
  455. //TODO // Load address argument into sockaddr structure
  456. //TODO if (af == 10) && (l == socklen_t(16)) {
  457. //TODO Xmemcpy(tls, (bp /* &sa1 */ /* &.sin6 */ + 8 /* &.sin6_addr */), a, uint64(16))
  458. //TODO } else if (af == 2) && (l == socklen_t(4)) {
  459. //TODO Xmemcpy(tls, (bp /* &sa1 */ /* &.sin */ + 4 /* &.sin_addr */), a, uint64(4))
  460. //TODO } else {
  461. //TODO *(*int32)(unsafe.Pointer(err)) = 3
  462. //TODO return 22
  463. //TODO }
  464. //TODO // Align buffer and check for space for pointers and ip address
  465. //TODO i = (int32(uintptr_t(buf) & (uint64(unsafe.Sizeof(uintptr(0))) - uint64(1))))
  466. //TODO if !(i != 0) {
  467. //TODO i = int32(unsafe.Sizeof(uintptr(0)))
  468. //TODO }
  469. //TODO if buflen <= (((uint64(5) * uint64(unsafe.Sizeof(uintptr(0)))) - uint64(i)) + uint64(l)) {
  470. //TODO return 34
  471. //TODO }
  472. //TODO buf += (uintptr(uint64(unsafe.Sizeof(uintptr(0))) - uint64(i)))
  473. //TODO buflen = buflen - (((uint64(5) * uint64(unsafe.Sizeof(uintptr(0)))) - uint64(i)) + uint64(l))
  474. //TODO (*hostent)(unsafe.Pointer(h)).h_addr_list = buf
  475. //TODO buf += (uintptr(uint64(2) * uint64(unsafe.Sizeof(uintptr(0)))))
  476. //TODO (*hostent)(unsafe.Pointer(h)).h_aliases = buf
  477. //TODO buf += (uintptr(uint64(2) * uint64(unsafe.Sizeof(uintptr(0)))))
  478. //TODO *(*uintptr)(unsafe.Pointer((*hostent)(unsafe.Pointer(h)).h_addr_list)) = buf
  479. //TODO Xmemcpy(tls, *(*uintptr)(unsafe.Pointer((*hostent)(unsafe.Pointer(h)).h_addr_list)), a, uint64(l))
  480. //TODO buf += uintptr(l)
  481. //TODO *(*uintptr)(unsafe.Pointer((*hostent)(unsafe.Pointer(h)).h_addr_list + 1*8)) = uintptr(0)
  482. //TODO *(*uintptr)(unsafe.Pointer((*hostent)(unsafe.Pointer(h)).h_aliases)) = buf
  483. //TODO *(*uintptr)(unsafe.Pointer((*hostent)(unsafe.Pointer(h)).h_aliases + 1*8)) = uintptr(0)
  484. //TODO switch Xgetnameinfo(tls, bp /* &sa1 */, sl, buf, uint32(buflen), uintptr(0), uint32(0), 0) {
  485. //TODO case -3:
  486. //TODO *(*int32)(unsafe.Pointer(err)) = 2
  487. //TODO return 11
  488. //TODO case -12:
  489. //TODO return 34
  490. //TODO default:
  491. //TODO fallthrough
  492. //TODO case -10:
  493. //TODO fallthrough
  494. //TODO case -11:
  495. //TODO fallthrough
  496. //TODO case -4:
  497. //TODO *(*int32)(unsafe.Pointer(err)) = 3
  498. //TODO return *(*int32)(unsafe.Pointer(X___errno_location(tls)))
  499. //TODO case 0:
  500. //TODO break
  501. //TODO }
  502. //TODO (*hostent)(unsafe.Pointer(h)).h_addrtype = af
  503. //TODO (*hostent)(unsafe.Pointer(h)).h_length = int32(l)
  504. //TODO (*hostent)(unsafe.Pointer(h)).h_name = *(*uintptr)(unsafe.Pointer((*hostent)(unsafe.Pointer(h)).h_aliases))
  505. //TODO *(*uintptr)(unsafe.Pointer(res)) = h
  506. //TODO return 0
  507. }
  508. // int getrlimit(int resource, struct rlimit *rlim);
  509. func Xgetrlimit64(t *TLS, resource int32, rlim uintptr) int32 {
  510. if _, _, err := unix.Syscall(unix.SYS_GETRLIMIT, uintptr(resource), uintptr(rlim), 0); err != 0 {
  511. t.setErrno(err)
  512. return -1
  513. }
  514. return 0
  515. }
  516. func newFtsent(t *TLS, info int, path string, stat *unix.Stat_t, err syscall.Errno) (r *fts.FTSENT) {
  517. var statp uintptr
  518. if stat != nil {
  519. statp = Xmalloc(t, types.Size_t(unsafe.Sizeof(unix.Stat_t{})))
  520. if statp == 0 {
  521. panic("OOM")
  522. }
  523. *(*unix.Stat_t)(unsafe.Pointer(statp)) = *stat
  524. }
  525. csp, errx := CString(path)
  526. if errx != nil {
  527. panic("OOM")
  528. }
  529. return &fts.FTSENT{
  530. Ffts_info: uint16(info),
  531. Ffts_path: csp,
  532. Ffts_pathlen: uint32(len(path)),
  533. Ffts_statp: statp,
  534. Ffts_errno: int32(err),
  535. }
  536. }
  537. // DIR *opendir(const char *name);
  538. func Xopendir(t *TLS, name uintptr) uintptr {
  539. p := Xmalloc(t, uint64(unsafe.Sizeof(darwinDir{})))
  540. if p == 0 {
  541. panic("OOM")
  542. }
  543. fd := int(Xopen(t, name, fcntl.O_RDONLY|fcntl.O_DIRECTORY|fcntl.O_CLOEXEC, 0))
  544. if fd < 0 {
  545. if dmesgs {
  546. dmesg("%v: FAIL %v", origin(1), (*darwinDir)(unsafe.Pointer(p)).fd)
  547. }
  548. Xfree(t, p)
  549. return 0
  550. }
  551. if dmesgs {
  552. dmesg("%v: ok", origin(1))
  553. }
  554. (*darwinDir)(unsafe.Pointer(p)).fd = fd
  555. (*darwinDir)(unsafe.Pointer(p)).h = 0
  556. (*darwinDir)(unsafe.Pointer(p)).l = 0
  557. (*darwinDir)(unsafe.Pointer(p)).eof = false
  558. return p
  559. }