modernc.org/libc@v1.24.1/libc_openbsd_386.go (about)

     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  
     5  package libc // import "modernc.org/libc"
     6  
     7  import (
     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  
    20  type (
    21  	long  = int32
    22  	ulong = uint32
    23  )
    24  
    25  // int sigaction(int signum, const struct sigaction *act, struct sigaction *oldact);
    26  func 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);
    36  func 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);
    75  func 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);
    91  func 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);
   107  func 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);
   123  func 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);
   139  func 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);
   155  func 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);
   179  func 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)
   195  func 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);
   211  func 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]);
   221  func 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);
   243  func 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);
   259  func 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  
   275  func 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);
   296  func 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);
   312  func 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);
   323  func 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 = int64((*utime.Utimbuf)(unsafe.Pointer(times)).Factime)
   328  		a[1].Sec = int64((*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);
   345  func 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);
   355  func 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);
   366  func 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);
   378  func 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  
   388  func 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  
   487  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: */
   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);
   574  func 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  
   583  func 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:    uint16(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);
   608  func 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  }