func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
	return -1, ENOSYS
}

func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
	var bufptr *Statfs_t
	var bufsize uintptr
	if len(buf) > 0 {
		bufptr = &buf[0]
		bufsize = unsafe.Sizeof(Statfs_t{}) * uintptr(len(buf))
	}
	return getfsstat(bufptr, bufsize, flags)
}

/*
 * Exposed directly
 */

//sys	Fstatfs(fd int, stat *Statfs_t) (err error)
//sys	getfsstat(buf unsafe.Pointer, size uintptr, flags int) (n int, err error) = SYS_GETFSSTAT
//sys	Lstat(path string, stat *Stat_t) (err error)
//sys	ptrace1(request int, pid int, addr uintptr, data uintptr) (err error) = SYS_ptrace
//sys	Stat(path string, stat *Stat_t) (err error)

//sys	Fstat(fd int, stat *Stat_t) (err error) = SYS_FSTAT64
//sys	Fstatat(fd int, path string, stat *Stat_t, flags int) (err error) = SYS_FSTATAT64
//sys	Fstatfs(fd int, stat *Statfs_t) (err error) = SYS_FSTATFS64
//sys	getfsstat(buf unsafe.Pointer, size uintptr, flags int) (n int, err error) = SYS_GETFSSTAT64
//sys	Lstat(path string, stat *Stat_t) (err error) = SYS_LSTAT64

}

//sys	Fstat(fd int, stat *Stat_t) (err error) = SYS_fstat64
//sys	Fstatfs(fd int, stat *Statfs_t) (err error) = SYS_fstatfs64
//sysnb	Gettimeofday(tp *Timeval) (err error)
//sys	Lstat(path string, stat *Stat_t) (err error) = SYS_lstat64
//sys	Stat(path string, stat *Stat_t) (err error) = SYS_stat64
//sys	Statfs(path string, stat *Statfs_t) (err error) = SYS_statfs64

}

//sys	Fstat(fd int, stat *Stat_t) (err error)
//sys	Fstatfs(fd int, stat *Statfs_t) (err error)
//sysnb	Gettimeofday(tp *Timeval) (err error)
//sys	Lstat(path string, stat *Stat_t) (err error)
//sys	Stat(path string, stat *Stat_t) (err error)
//sys	Statfs(path string, stat *Statfs_t) (err error)
//sys	fstatat(fd int, path string, stat *Stat_t, flags int) (err error)

limitations under the License.
*/

package volume_test

import (
	"golang.org/x/sys/unix"
)

func getExpectedBlockSize(path string) int64 {
	statfs := &unix.Statfs_t{}
	err := unix.Statfs(path, statfs)
	if err != nil {
		return 0
	}

	return int64(statfs.Bsize)

	if err != nil {
		Close(nfd)
		nfd = 0
	}
	return
}

func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
	var (
		_p0     unsafe.Pointer
		bufsize uintptr
	)
	if len(buf) > 0 {
		_p0 = unsafe.Pointer(&buf[0])
		bufsize = unsafe.Sizeof(Statfs_t{}) * uintptr(len(buf))
	}
	r0, _, e1 := Syscall(SYS_GETFSSTAT, uintptr(_p0), bufsize, uintptr(flags))
	n = int(r0)

	sa, err = anyToSockaddr(&rsa)
	if err != nil {
		Close(nfd)
		nfd = 0
	}
	return
}

func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
	var _p0 unsafe.Pointer
	var bufsize uintptr
	if len(buf) > 0 {
		_p0 = unsafe.Pointer(&buf[0])
		bufsize = unsafe.Sizeof(Statfs_t{}) * uintptr(len(buf))
	}
	r0, _, e1 := Syscall(SYS_GETFSSTAT, uintptr(_p0), bufsize, uintptr(flags))
	n = int(r0)
	if e1 != 0 {

//sys	Fchown(fd int, uid int, gid int) (err error)
//sys	Fstat(fd int, stat *Stat_t) (err error)
//sys	Fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) = SYS_NEWFSTATAT
//sys	Fstatfs(fd int, buf *Statfs_t) (err error)
//sys	Ftruncate(fd int, length int64) (err error)
//sysnb	Getegid() (egid int)
//sysnb	Geteuid() (euid int)
//sysnb	Getgid() (gid int)
//sysnb	Getrlimit(resource int, rlim *Rlimit) (err error) = SYS_UGETRLIMIT

package disk

import (
	"errors"
	"fmt"
	"syscall"
)

// GetInfo returns total and free bytes available in a directory, e.g. `/`.
func GetInfo(path string, _ bool) (info Info, err error) {
	s := syscall.Statfs_t{}
	err = syscall.Statfs(path, &s)
	if err != nil {
		return Info{}, err
	}
	reservedBlocks := s.Bfree - s.Bavail
	info = Info{
		Total:  uint64(s.Bsize) * (s.Blocks - reservedBlocks),