Update dependencies

vendor/modernc.org/libc/libc_linux.go

@@ -6,6 +6,7 @@ package libc // import "modernc.org/libc"
 
 import (
 	"bufio"
+	"encoding/hex"
 	"fmt"
 	"os"
 	"os/exec"
@@ -41,6 +42,7 @@ import (
 
 var (
 	in6_addr_any in.In6_addr
+	_            = X__ctype_b_loc
 )
 
 type (
@@ -223,7 +225,7 @@ func Xopen64(t *TLS, pathname uintptr, flags int32, args uintptr) int32 {
 	//TODO- flags |= fcntl.O_LARGEFILE
 	var mode types.Mode_t
 	if args != 0 {
-		mode = *(*types.Mode_t)(unsafe.Pointer(args))
+		mode = (types.Mode_t)(VaUint32(&args))
 	}
 	fdcwd := fcntl.AT_FDCWD
 	n, _, err := unix.Syscall6(unix.SYS_OPENAT, uintptr(fdcwd), pathname, uintptr(flags|unix.O_LARGEFILE), uintptr(mode), 0, 0)
@@ -1964,3 +1966,30 @@ func Xctime_r(t *TLS, timep, buf uintptr) uintptr {
 	copy((*RawMem)(unsafe.Pointer(buf))[:26:26], s)
 	return buf
 }
+
+// ssize_t pwrite(int fd, const void *buf, size_t count, off_t offset);
+func Xpwrite(t *TLS, fd int32, buf uintptr, count types.Size_t, offset types.Off_t) types.Ssize_t {
+	var n int
+	var err error
+	switch {
+	case count == 0:
+		n, err = unix.Pwrite(int(fd), nil, int64(offset))
+	default:
+		n, err = unix.Pwrite(int(fd), (*RawMem)(unsafe.Pointer(buf))[:count:count], int64(offset))
+		if dmesgs {
+			dmesg("%v: fd %v, off %#x, count %#x\n%s", origin(1), fd, offset, count, hex.Dump((*RawMem)(unsafe.Pointer(buf))[:count:count]))
+		}
+	}
+	if err != nil {
+		if dmesgs {
+			dmesg("%v: %v FAIL", origin(1), err)
+		}
+		t.setErrno(err)
+		return -1
+	}
+
+	if dmesgs {
+		dmesg("%v: ok", origin(1))
+	}
+	return types.Ssize_t(n)
+}