mirror of
https://github.com/moby/moby.git
synced 2022-11-09 12:21:53 -05:00
Merge pull request #15125 from WeiZhang555/golint-stdcopy-system
fix golint warnings/errors on pkg/system and pkg/stdcopy
This commit is contained in:
commit
ecff4badcd
30 changed files with 131 additions and 89 deletions
|
@ -28,7 +28,7 @@ func copyOwnership(source, destination string) error {
|
|||
return err
|
||||
}
|
||||
|
||||
if err := os.Chown(destination, int(stat.Uid()), int(stat.Gid())); err != nil {
|
||||
if err := os.Chown(destination, int(stat.UID()), int(stat.Gid())); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
|
|
|
@ -26,7 +26,7 @@ func setPlatformServerConfig(serverConfig *apiserver.Config, daemonCfg *daemon.C
|
|||
// file.
|
||||
func currentUserIsOwner(f string) bool {
|
||||
if fileInfo, err := system.Stat(f); err == nil && fileInfo != nil {
|
||||
if int(fileInfo.Uid()) == os.Getuid() {
|
||||
if int(fileInfo.UID()) == os.Getuid() {
|
||||
return true
|
||||
}
|
||||
}
|
||||
|
|
|
@ -76,11 +76,13 @@ packages=(
|
|||
pkg/reexec
|
||||
pkg/signal
|
||||
pkg/sockets
|
||||
pkg/stdcopy
|
||||
pkg/streamformatter
|
||||
pkg/stringid
|
||||
pkg/stringutils
|
||||
pkg/sysinfo
|
||||
pkg/symlink
|
||||
pkg/sysinfo
|
||||
pkg/system
|
||||
pkg/tailfile
|
||||
pkg/tarsum
|
||||
pkg/term
|
||||
|
|
|
@ -173,7 +173,7 @@ func Changes(layers []string, rw string) ([]Change, error) {
|
|||
type FileInfo struct {
|
||||
parent *FileInfo
|
||||
name string
|
||||
stat *system.Stat_t
|
||||
stat *system.StatT
|
||||
children map[string]*FileInfo
|
||||
capability []byte
|
||||
added bool
|
||||
|
|
|
@ -8,10 +8,10 @@ import (
|
|||
"github.com/docker/docker/pkg/system"
|
||||
)
|
||||
|
||||
func statDifferent(oldStat *system.Stat_t, newStat *system.Stat_t) bool {
|
||||
func statDifferent(oldStat *system.StatT, newStat *system.StatT) bool {
|
||||
// Don't look at size for dirs, its not a good measure of change
|
||||
if oldStat.Mode() != newStat.Mode() ||
|
||||
oldStat.Uid() != newStat.Uid() ||
|
||||
oldStat.UID() != newStat.UID() ||
|
||||
oldStat.Gid() != newStat.Gid() ||
|
||||
oldStat.Rdev() != newStat.Rdev() ||
|
||||
// Don't look at size for dirs, its not a good measure of change
|
||||
|
|
|
@ -4,7 +4,7 @@ import (
|
|||
"github.com/docker/docker/pkg/system"
|
||||
)
|
||||
|
||||
func statDifferent(oldStat *system.Stat_t, newStat *system.Stat_t) bool {
|
||||
func statDifferent(oldStat *system.StatT, newStat *system.StatT) bool {
|
||||
|
||||
// Don't look at size for dirs, its not a good measure of change
|
||||
if oldStat.ModTime() != newStat.ModTime() ||
|
||||
|
|
|
@ -9,19 +9,24 @@ import (
|
|||
)
|
||||
|
||||
const (
|
||||
StdWriterPrefixLen = 8
|
||||
StdWriterFdIndex = 0
|
||||
StdWriterSizeIndex = 4
|
||||
stdWriterPrefixLen = 8
|
||||
stdWriterFdIndex = 0
|
||||
stdWriterSizeIndex = 4
|
||||
)
|
||||
|
||||
type StdType [StdWriterPrefixLen]byte
|
||||
// StdType prefixes type and length to standard stream.
|
||||
type StdType [stdWriterPrefixLen]byte
|
||||
|
||||
var (
|
||||
Stdin StdType = StdType{0: 0}
|
||||
Stdout StdType = StdType{0: 1}
|
||||
Stderr StdType = StdType{0: 2}
|
||||
// Stdin represents standard input stream type.
|
||||
Stdin = StdType{0: 0}
|
||||
// Stdout represents standard output stream type.
|
||||
Stdout = StdType{0: 1}
|
||||
// Stderr represents standard error steam type.
|
||||
Stderr = StdType{0: 2}
|
||||
)
|
||||
|
||||
// StdWriter is wrapper of io.Writer with extra customized info.
|
||||
type StdWriter struct {
|
||||
io.Writer
|
||||
prefix StdType
|
||||
|
@ -36,10 +41,10 @@ func (w *StdWriter) Write(buf []byte) (n int, err error) {
|
|||
binary.BigEndian.PutUint32(w.prefix[4:], uint32(len(buf)))
|
||||
n1, err = w.Writer.Write(w.prefix[:])
|
||||
if err != nil {
|
||||
n = n1 - StdWriterPrefixLen
|
||||
n = n1 - stdWriterPrefixLen
|
||||
} else {
|
||||
n2, err = w.Writer.Write(buf)
|
||||
n = n1 + n2 - StdWriterPrefixLen
|
||||
n = n1 + n2 - stdWriterPrefixLen
|
||||
}
|
||||
if n < 0 {
|
||||
n = 0
|
||||
|
@ -61,7 +66,7 @@ func NewStdWriter(w io.Writer, t StdType) *StdWriter {
|
|||
}
|
||||
}
|
||||
|
||||
var ErrInvalidStdHeader = errors.New("Unrecognized input header")
|
||||
var errInvalidStdHeader = errors.New("Unrecognized input header")
|
||||
|
||||
// StdCopy is a modified version of io.Copy.
|
||||
//
|
||||
|
@ -75,7 +80,7 @@ var ErrInvalidStdHeader = errors.New("Unrecognized input header")
|
|||
// `written` will hold the total number of bytes written to `dstout` and `dsterr`.
|
||||
func StdCopy(dstout, dsterr io.Writer, src io.Reader) (written int64, err error) {
|
||||
var (
|
||||
buf = make([]byte, 32*1024+StdWriterPrefixLen+1)
|
||||
buf = make([]byte, 32*1024+stdWriterPrefixLen+1)
|
||||
bufLen = len(buf)
|
||||
nr, nw int
|
||||
er, ew error
|
||||
|
@ -85,12 +90,12 @@ func StdCopy(dstout, dsterr io.Writer, src io.Reader) (written int64, err error)
|
|||
|
||||
for {
|
||||
// Make sure we have at least a full header
|
||||
for nr < StdWriterPrefixLen {
|
||||
for nr < stdWriterPrefixLen {
|
||||
var nr2 int
|
||||
nr2, er = src.Read(buf[nr:])
|
||||
nr += nr2
|
||||
if er == io.EOF {
|
||||
if nr < StdWriterPrefixLen {
|
||||
if nr < stdWriterPrefixLen {
|
||||
logrus.Debugf("Corrupted prefix: %v", buf[:nr])
|
||||
return written, nil
|
||||
}
|
||||
|
@ -103,7 +108,7 @@ func StdCopy(dstout, dsterr io.Writer, src io.Reader) (written int64, err error)
|
|||
}
|
||||
|
||||
// Check the first byte to know where to write
|
||||
switch buf[StdWriterFdIndex] {
|
||||
switch buf[stdWriterFdIndex] {
|
||||
case 0:
|
||||
fallthrough
|
||||
case 1:
|
||||
|
@ -113,30 +118,30 @@ func StdCopy(dstout, dsterr io.Writer, src io.Reader) (written int64, err error)
|
|||
// Write on stderr
|
||||
out = dsterr
|
||||
default:
|
||||
logrus.Debugf("Error selecting output fd: (%d)", buf[StdWriterFdIndex])
|
||||
return 0, ErrInvalidStdHeader
|
||||
logrus.Debugf("Error selecting output fd: (%d)", buf[stdWriterFdIndex])
|
||||
return 0, errInvalidStdHeader
|
||||
}
|
||||
|
||||
// Retrieve the size of the frame
|
||||
frameSize = int(binary.BigEndian.Uint32(buf[StdWriterSizeIndex : StdWriterSizeIndex+4]))
|
||||
frameSize = int(binary.BigEndian.Uint32(buf[stdWriterSizeIndex : stdWriterSizeIndex+4]))
|
||||
logrus.Debugf("framesize: %d", frameSize)
|
||||
|
||||
// Check if the buffer is big enough to read the frame.
|
||||
// Extend it if necessary.
|
||||
if frameSize+StdWriterPrefixLen > bufLen {
|
||||
logrus.Debugf("Extending buffer cap by %d (was %d)", frameSize+StdWriterPrefixLen-bufLen+1, len(buf))
|
||||
buf = append(buf, make([]byte, frameSize+StdWriterPrefixLen-bufLen+1)...)
|
||||
if frameSize+stdWriterPrefixLen > bufLen {
|
||||
logrus.Debugf("Extending buffer cap by %d (was %d)", frameSize+stdWriterPrefixLen-bufLen+1, len(buf))
|
||||
buf = append(buf, make([]byte, frameSize+stdWriterPrefixLen-bufLen+1)...)
|
||||
bufLen = len(buf)
|
||||
}
|
||||
|
||||
// While the amount of bytes read is less than the size of the frame + header, we keep reading
|
||||
for nr < frameSize+StdWriterPrefixLen {
|
||||
for nr < frameSize+stdWriterPrefixLen {
|
||||
var nr2 int
|
||||
nr2, er = src.Read(buf[nr:])
|
||||
nr += nr2
|
||||
if er == io.EOF {
|
||||
if nr < frameSize+StdWriterPrefixLen {
|
||||
logrus.Debugf("Corrupted frame: %v", buf[StdWriterPrefixLen:nr])
|
||||
if nr < frameSize+stdWriterPrefixLen {
|
||||
logrus.Debugf("Corrupted frame: %v", buf[stdWriterPrefixLen:nr])
|
||||
return written, nil
|
||||
}
|
||||
break
|
||||
|
@ -148,7 +153,7 @@ func StdCopy(dstout, dsterr io.Writer, src io.Reader) (written int64, err error)
|
|||
}
|
||||
|
||||
// Write the retrieved frame (without header)
|
||||
nw, ew = out.Write(buf[StdWriterPrefixLen : frameSize+StdWriterPrefixLen])
|
||||
nw, ew = out.Write(buf[stdWriterPrefixLen : frameSize+stdWriterPrefixLen])
|
||||
if ew != nil {
|
||||
logrus.Debugf("Error writing frame: %s", ew)
|
||||
return 0, ew
|
||||
|
@ -161,8 +166,8 @@ func StdCopy(dstout, dsterr io.Writer, src io.Reader) (written int64, err error)
|
|||
written += int64(nw)
|
||||
|
||||
// Move the rest of the buffer to the beginning
|
||||
copy(buf, buf[frameSize+StdWriterPrefixLen:])
|
||||
copy(buf, buf[frameSize+stdWriterPrefixLen:])
|
||||
// Move the index
|
||||
nr -= frameSize + StdWriterPrefixLen
|
||||
nr -= frameSize + stdWriterPrefixLen
|
||||
}
|
||||
}
|
||||
|
|
|
@ -5,5 +5,6 @@ import (
|
|||
)
|
||||
|
||||
var (
|
||||
// ErrNotSupportedPlatform means the platform is not supported.
|
||||
ErrNotSupportedPlatform = errors.New("platform and architecture is not supported")
|
||||
)
|
||||
|
|
|
@ -8,11 +8,6 @@ import (
|
|||
"unsafe"
|
||||
)
|
||||
|
||||
const (
|
||||
EVENT_ALL_ACCESS = 0x1F0003
|
||||
EVENT_MODIFY_STATUS = 0x0002
|
||||
)
|
||||
|
||||
var (
|
||||
procCreateEvent = modkernel32.NewProc("CreateEventW")
|
||||
procOpenEvent = modkernel32.NewProc("OpenEventW")
|
||||
|
@ -21,13 +16,14 @@ var (
|
|||
procPulseEvent = modkernel32.NewProc("PulseEvent")
|
||||
)
|
||||
|
||||
// CreateEvent implements win32 CreateEventW func in golang. It will create an event object.
|
||||
func CreateEvent(eventAttributes *syscall.SecurityAttributes, manualReset bool, initialState bool, name string) (handle syscall.Handle, err error) {
|
||||
namep, _ := syscall.UTF16PtrFromString(name)
|
||||
var _p1 uint32 = 0
|
||||
var _p1 uint32
|
||||
if manualReset {
|
||||
_p1 = 1
|
||||
}
|
||||
var _p2 uint32 = 0
|
||||
var _p2 uint32
|
||||
if initialState {
|
||||
_p2 = 1
|
||||
}
|
||||
|
@ -40,9 +36,10 @@ func CreateEvent(eventAttributes *syscall.SecurityAttributes, manualReset bool,
|
|||
return
|
||||
}
|
||||
|
||||
// OpenEvent implements win32 OpenEventW func in golang. It opens an event object.
|
||||
func OpenEvent(desiredAccess uint32, inheritHandle bool, name string) (handle syscall.Handle, err error) {
|
||||
namep, _ := syscall.UTF16PtrFromString(name)
|
||||
var _p1 uint32 = 0
|
||||
var _p1 uint32
|
||||
if inheritHandle {
|
||||
_p1 = 1
|
||||
}
|
||||
|
@ -55,14 +52,17 @@ func OpenEvent(desiredAccess uint32, inheritHandle bool, name string) (handle sy
|
|||
return
|
||||
}
|
||||
|
||||
// SetEvent implements win32 SetEvent func in golang.
|
||||
func SetEvent(handle syscall.Handle) (err error) {
|
||||
return setResetPulse(handle, procSetEvent)
|
||||
}
|
||||
|
||||
// ResetEvent implements win32 ResetEvent func in golang.
|
||||
func ResetEvent(handle syscall.Handle) (err error) {
|
||||
return setResetPulse(handle, procResetEvent)
|
||||
}
|
||||
|
||||
// PulseEvent implements win32 PulseEvent func in golang.
|
||||
func PulseEvent(handle syscall.Handle) (err error) {
|
||||
return setResetPulse(handle, procPulseEvent)
|
||||
}
|
||||
|
|
|
@ -6,6 +6,8 @@ import (
|
|||
"os"
|
||||
)
|
||||
|
||||
// MkdirAll creates a directory named path along with any necessary parents,
|
||||
// with permission specified by attribute perm for all dir created.
|
||||
func MkdirAll(path string, perm os.FileMode) error {
|
||||
return os.MkdirAll(path, perm)
|
||||
}
|
||||
|
|
|
@ -7,10 +7,10 @@ import (
|
|||
)
|
||||
|
||||
// Lstat takes a path to a file and returns
|
||||
// a system.Stat_t type pertaining to that file.
|
||||
// a system.StatT type pertaining to that file.
|
||||
//
|
||||
// Throws an error if the file does not exist
|
||||
func Lstat(path string) (*Stat_t, error) {
|
||||
func Lstat(path string) (*StatT, error) {
|
||||
s := &syscall.Stat_t{}
|
||||
if err := syscall.Lstat(path, s); err != nil {
|
||||
return nil, err
|
||||
|
|
|
@ -6,21 +6,17 @@ import (
|
|||
"os"
|
||||
)
|
||||
|
||||
// Some explanation for my own sanity, and hopefully maintainers in the
|
||||
// future.
|
||||
//
|
||||
// Lstat calls os.Lstat to get a fileinfo interface back.
|
||||
// This is then copied into our own locally defined structure.
|
||||
// Note the Linux version uses fromStatT to do the copy back,
|
||||
// but that not strictly necessary when already in an OS specific module.
|
||||
|
||||
func Lstat(path string) (*Stat_t, error) {
|
||||
func Lstat(path string) (*StatT, error) {
|
||||
fi, err := os.Lstat(path)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
return &Stat_t{
|
||||
return &StatT{
|
||||
name: fi.Name(),
|
||||
size: fi.Size(),
|
||||
mode: fi.Mode(),
|
||||
|
|
|
@ -2,7 +2,6 @@ package system
|
|||
|
||||
import (
|
||||
"bufio"
|
||||
"errors"
|
||||
"io"
|
||||
"os"
|
||||
"strconv"
|
||||
|
@ -11,10 +10,6 @@ import (
|
|||
"github.com/docker/docker/pkg/units"
|
||||
)
|
||||
|
||||
var (
|
||||
ErrMalformed = errors.New("malformed file")
|
||||
)
|
||||
|
||||
// ReadMemInfo retrieves memory statistics of the host system and returns a
|
||||
// MemInfo type.
|
||||
func ReadMemInfo() (*MemInfo, error) {
|
||||
|
|
|
@ -2,6 +2,7 @@
|
|||
|
||||
package system
|
||||
|
||||
// ReadMemInfo is not supported on platforms other than linux and windows.
|
||||
func ReadMemInfo() (*MemInfo, error) {
|
||||
return nil, ErrNotSupportedPlatform
|
||||
}
|
||||
|
|
|
@ -7,14 +7,16 @@ import (
|
|||
)
|
||||
|
||||
// Mknod creates a filesystem node (file, device special file or named pipe) named path
|
||||
// with attributes specified by mode and dev
|
||||
// with attributes specified by mode and dev.
|
||||
func Mknod(path string, mode uint32, dev int) error {
|
||||
return syscall.Mknod(path, mode, dev)
|
||||
}
|
||||
|
||||
// Mkdev is used to build the value of linux devices (in /dev/) which specifies major
|
||||
// and minor number of the newly created device special file.
|
||||
// Linux device nodes are a bit weird due to backwards compat with 16 bit device nodes.
|
||||
// They are, from low to high: the lower 8 bits of the minor, then 12 bits of the major,
|
||||
// then the top 12 bits of the minor
|
||||
// then the top 12 bits of the minor.
|
||||
func Mkdev(major int64, minor int64) uint32 {
|
||||
return uint32(((minor & 0xfff00) << 12) | ((major & 0xfff) << 8) | (minor & 0xff))
|
||||
}
|
||||
|
|
|
@ -2,10 +2,12 @@
|
|||
|
||||
package system
|
||||
|
||||
// Mknod is not implemented on Windows.
|
||||
func Mknod(path string, mode uint32, dev int) error {
|
||||
return ErrNotSupportedPlatform
|
||||
}
|
||||
|
||||
// Mkdev is not implemented on Windows.
|
||||
func Mkdev(major int64, minor int64) uint32 {
|
||||
panic("Mkdev not implemented on Windows.")
|
||||
}
|
||||
|
|
|
@ -6,9 +6,9 @@ import (
|
|||
"syscall"
|
||||
)
|
||||
|
||||
// Stat_t type contains status of a file. It contains metadata
|
||||
// like permission, owner, group, size, etc about a file
|
||||
type Stat_t struct {
|
||||
// StatT type contains status of a file. It contains metadata
|
||||
// like permission, owner, group, size, etc about a file.
|
||||
type StatT struct {
|
||||
mode uint32
|
||||
uid uint32
|
||||
gid uint32
|
||||
|
@ -17,30 +17,37 @@ type Stat_t struct {
|
|||
mtim syscall.Timespec
|
||||
}
|
||||
|
||||
func (s Stat_t) Mode() uint32 {
|
||||
// Mode returns file's permission mode.
|
||||
func (s StatT) Mode() uint32 {
|
||||
return s.mode
|
||||
}
|
||||
|
||||
func (s Stat_t) Uid() uint32 {
|
||||
// UID returns file's user id of owner.
|
||||
func (s StatT) UID() uint32 {
|
||||
return s.uid
|
||||
}
|
||||
|
||||
func (s Stat_t) Gid() uint32 {
|
||||
// Gid returns file's group id of owner.
|
||||
func (s StatT) Gid() uint32 {
|
||||
return s.gid
|
||||
}
|
||||
|
||||
func (s Stat_t) Rdev() uint64 {
|
||||
// Rdev returns file's device ID (if it's special file).
|
||||
func (s StatT) Rdev() uint64 {
|
||||
return s.rdev
|
||||
}
|
||||
|
||||
func (s Stat_t) Size() int64 {
|
||||
// Size returns file's size.
|
||||
func (s StatT) Size() int64 {
|
||||
return s.size
|
||||
}
|
||||
|
||||
func (s Stat_t) Mtim() syscall.Timespec {
|
||||
// Mtim returns file's last modification time.
|
||||
func (s StatT) Mtim() syscall.Timespec {
|
||||
return s.mtim
|
||||
}
|
||||
|
||||
func (s Stat_t) GetLastModification() syscall.Timespec {
|
||||
// GetLastModification returns file's last modification time.
|
||||
func (s StatT) GetLastModification() syscall.Timespec {
|
||||
return s.Mtim()
|
||||
}
|
||||
|
|
|
@ -5,8 +5,8 @@ import (
|
|||
)
|
||||
|
||||
// fromStatT converts a syscall.Stat_t type to a system.Stat_t type
|
||||
func fromStatT(s *syscall.Stat_t) (*Stat_t, error) {
|
||||
return &Stat_t{size: s.Size,
|
||||
func fromStatT(s *syscall.Stat_t) (*StatT, error) {
|
||||
return &StatT{size: s.Size,
|
||||
mode: uint32(s.Mode),
|
||||
uid: s.Uid,
|
||||
gid: s.Gid,
|
||||
|
@ -18,7 +18,7 @@ func fromStatT(s *syscall.Stat_t) (*Stat_t, error) {
|
|||
// a system.Stat_t type pertaining to that file.
|
||||
//
|
||||
// Throws an error if the file does not exist
|
||||
func Stat(path string) (*Stat_t, error) {
|
||||
func Stat(path string) (*StatT, error) {
|
||||
s := &syscall.Stat_t{}
|
||||
if err := syscall.Stat(path, s); err != nil {
|
||||
return nil, err
|
||||
|
|
|
@ -5,8 +5,8 @@ import (
|
|||
)
|
||||
|
||||
// fromStatT converts a syscall.Stat_t type to a system.Stat_t type
|
||||
func fromStatT(s *syscall.Stat_t) (*Stat_t, error) {
|
||||
return &Stat_t{size: s.Size,
|
||||
func fromStatT(s *syscall.Stat_t) (*StatT, error) {
|
||||
return &StatT{size: s.Size,
|
||||
mode: s.Mode,
|
||||
uid: s.Uid,
|
||||
gid: s.Gid,
|
||||
|
@ -14,17 +14,17 @@ func fromStatT(s *syscall.Stat_t) (*Stat_t, error) {
|
|||
mtim: s.Mtim}, nil
|
||||
}
|
||||
|
||||
// FromStatT exists only on linux, and loads a system.Stat_t from a
|
||||
// FromStatT exists only on linux, and loads a system.StatT from a
|
||||
// syscal.Stat_t.
|
||||
func FromStatT(s *syscall.Stat_t) (*Stat_t, error) {
|
||||
func FromStatT(s *syscall.Stat_t) (*StatT, error) {
|
||||
return fromStatT(s)
|
||||
}
|
||||
|
||||
// Stat takes a path to a file and returns
|
||||
// a system.Stat_t type pertaining to that file.
|
||||
// a system.StatT type pertaining to that file.
|
||||
//
|
||||
// Throws an error if the file does not exist
|
||||
func Stat(path string) (*Stat_t, error) {
|
||||
func Stat(path string) (*StatT, error) {
|
||||
s := &syscall.Stat_t{}
|
||||
if err := syscall.Stat(path, s); err != nil {
|
||||
return nil, err
|
||||
|
|
|
@ -22,7 +22,7 @@ func TestFromStatT(t *testing.T) {
|
|||
if stat.Mode != s.Mode() {
|
||||
t.Fatal("got invalid mode")
|
||||
}
|
||||
if stat.Uid != s.Uid() {
|
||||
if stat.Uid != s.UID() {
|
||||
t.Fatal("got invalid uid")
|
||||
}
|
||||
if stat.Gid != s.Gid() {
|
||||
|
|
|
@ -6,9 +6,9 @@ import (
|
|||
"syscall"
|
||||
)
|
||||
|
||||
// fromStatT creates a system.Stat_t type from a syscall.Stat_t type
|
||||
func fromStatT(s *syscall.Stat_t) (*Stat_t, error) {
|
||||
return &Stat_t{size: s.Size,
|
||||
// fromStatT creates a system.StatT type from a syscall.Stat_t type
|
||||
func fromStatT(s *syscall.Stat_t) (*StatT, error) {
|
||||
return &StatT{size: s.Size,
|
||||
mode: uint32(s.Mode),
|
||||
uid: s.Uid,
|
||||
gid: s.Gid,
|
||||
|
|
|
@ -7,7 +7,9 @@ import (
|
|||
"time"
|
||||
)
|
||||
|
||||
type Stat_t struct {
|
||||
// StatT type contains status of a file. It contains metadata
|
||||
// like name, permission, size, etc about a file.
|
||||
type StatT struct {
|
||||
name string
|
||||
size int64
|
||||
mode os.FileMode
|
||||
|
@ -15,22 +17,27 @@ type Stat_t struct {
|
|||
isDir bool
|
||||
}
|
||||
|
||||
func (s Stat_t) Name() string {
|
||||
// Name returns file's name.
|
||||
func (s StatT) Name() string {
|
||||
return s.name
|
||||
}
|
||||
|
||||
func (s Stat_t) Size() int64 {
|
||||
// Size returns file's size.
|
||||
func (s StatT) Size() int64 {
|
||||
return s.size
|
||||
}
|
||||
|
||||
func (s Stat_t) Mode() os.FileMode {
|
||||
// Mode returns file's permission mode.
|
||||
func (s StatT) Mode() os.FileMode {
|
||||
return s.mode
|
||||
}
|
||||
|
||||
func (s Stat_t) ModTime() time.Time {
|
||||
// ModTime returns file's last modification time.
|
||||
func (s StatT) ModTime() time.Time {
|
||||
return s.modTime
|
||||
}
|
||||
|
||||
func (s Stat_t) IsDir() bool {
|
||||
// IsDir returns whether file is actually a directory.
|
||||
func (s StatT) IsDir() bool {
|
||||
return s.isDir
|
||||
}
|
||||
|
|
|
@ -6,6 +6,8 @@ import (
|
|||
"syscall"
|
||||
)
|
||||
|
||||
// Umask sets current process's file mode creation mask to newmask
|
||||
// and return oldmask.
|
||||
func Umask(newmask int) (oldmask int, err error) {
|
||||
return syscall.Umask(newmask), nil
|
||||
}
|
||||
|
|
|
@ -2,6 +2,7 @@
|
|||
|
||||
package system
|
||||
|
||||
// Umask is not supported on the windows platform.
|
||||
func Umask(newmask int) (oldmask int, err error) {
|
||||
// should not be called on cli code path
|
||||
return 0, ErrNotSupportedPlatform
|
||||
|
|
|
@ -2,10 +2,13 @@ package system
|
|||
|
||||
import "syscall"
|
||||
|
||||
// LUtimesNano is not supported by darwin platform.
|
||||
func LUtimesNano(path string, ts []syscall.Timespec) error {
|
||||
return ErrNotSupportedPlatform
|
||||
}
|
||||
|
||||
// UtimesNano is used to change access and modification time of path.
|
||||
// it can't be used for symbol link file.
|
||||
func UtimesNano(path string, ts []syscall.Timespec) error {
|
||||
return syscall.UtimesNano(path, ts)
|
||||
}
|
||||
|
|
|
@ -5,6 +5,8 @@ import (
|
|||
"unsafe"
|
||||
)
|
||||
|
||||
// LUtimesNano is used to change access and modification time of the specified path.
|
||||
// It's used for symbol link file because syscall.UtimesNano doesn't support a NOFOLLOW flag atm.
|
||||
func LUtimesNano(path string, ts []syscall.Timespec) error {
|
||||
var _path *byte
|
||||
_path, err := syscall.BytePtrFromString(path)
|
||||
|
@ -19,6 +21,8 @@ func LUtimesNano(path string, ts []syscall.Timespec) error {
|
|||
return nil
|
||||
}
|
||||
|
||||
// UtimesNano is used to change access and modification time of the specified path.
|
||||
// It can't be used for symbol link file.
|
||||
func UtimesNano(path string, ts []syscall.Timespec) error {
|
||||
return syscall.UtimesNano(path, ts)
|
||||
}
|
||||
|
|
|
@ -5,10 +5,12 @@ import (
|
|||
"unsafe"
|
||||
)
|
||||
|
||||
// LUtimesNano is used to change access and modification time of the speficied path.
|
||||
// It's used for symbol link file because syscall.UtimesNano doesn't support a NOFOLLOW flag atm.
|
||||
func LUtimesNano(path string, ts []syscall.Timespec) error {
|
||||
// These are not currently available in syscall
|
||||
AT_FDCWD := -100
|
||||
AT_SYMLINK_NOFOLLOW := 0x100
|
||||
atFdCwd := -100
|
||||
atSymLinkNoFollow := 0x100
|
||||
|
||||
var _path *byte
|
||||
_path, err := syscall.BytePtrFromString(path)
|
||||
|
@ -16,13 +18,15 @@ func LUtimesNano(path string, ts []syscall.Timespec) error {
|
|||
return err
|
||||
}
|
||||
|
||||
if _, _, err := syscall.Syscall6(syscall.SYS_UTIMENSAT, uintptr(AT_FDCWD), uintptr(unsafe.Pointer(_path)), uintptr(unsafe.Pointer(&ts[0])), uintptr(AT_SYMLINK_NOFOLLOW), 0, 0); err != 0 && err != syscall.ENOSYS {
|
||||
if _, _, err := syscall.Syscall6(syscall.SYS_UTIMENSAT, uintptr(atFdCwd), uintptr(unsafe.Pointer(_path)), uintptr(unsafe.Pointer(&ts[0])), uintptr(atSymLinkNoFollow), 0, 0); err != 0 && err != syscall.ENOSYS {
|
||||
return err
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
// UtimesNano is used to change access and modification time of the specified path.
|
||||
// It can't be used for symbol link file.
|
||||
func UtimesNano(path string, ts []syscall.Timespec) error {
|
||||
return syscall.UtimesNano(path, ts)
|
||||
}
|
||||
|
|
|
@ -4,10 +4,12 @@ package system
|
|||
|
||||
import "syscall"
|
||||
|
||||
// LUtimesNano is not supported on platforms other than linux, freebsd and darwin.
|
||||
func LUtimesNano(path string, ts []syscall.Timespec) error {
|
||||
return ErrNotSupportedPlatform
|
||||
}
|
||||
|
||||
// UtimesNano is not supported on platforms other than linux, freebsd and darwin.
|
||||
func UtimesNano(path string, ts []syscall.Timespec) error {
|
||||
return ErrNotSupportedPlatform
|
||||
}
|
||||
|
|
|
@ -5,7 +5,9 @@ import (
|
|||
"unsafe"
|
||||
)
|
||||
|
||||
// Returns a nil slice and nil error if the xattr is not set
|
||||
// Lgetxattr retrieves the value of the extended attribute identified by attr
|
||||
// and associated with the given path in the file system.
|
||||
// It will returns a nil slice and nil error if the xattr is not set.
|
||||
func Lgetxattr(path string, attr string) ([]byte, error) {
|
||||
pathBytes, err := syscall.BytePtrFromString(path)
|
||||
if err != nil {
|
||||
|
@ -36,6 +38,8 @@ func Lgetxattr(path string, attr string) ([]byte, error) {
|
|||
|
||||
var _zero uintptr
|
||||
|
||||
// Lsetxattr sets the value of the extended attribute identified by attr
|
||||
// and associated with the given path in the file system.
|
||||
func Lsetxattr(path string, attr string, data []byte, flags int) error {
|
||||
pathBytes, err := syscall.BytePtrFromString(path)
|
||||
if err != nil {
|
||||
|
|
|
@ -2,10 +2,12 @@
|
|||
|
||||
package system
|
||||
|
||||
// Lgetxattr is not supported on platforms other than linux.
|
||||
func Lgetxattr(path string, attr string) ([]byte, error) {
|
||||
return nil, ErrNotSupportedPlatform
|
||||
}
|
||||
|
||||
// Lsetxattr is not supported on platforms other than linux.
|
||||
func Lsetxattr(path string, attr string, data []byte, flags int) error {
|
||||
return ErrNotSupportedPlatform
|
||||
}
|
||||
|
|
Loading…
Reference in a new issue