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Signed-off-by: Varun Gokulnath <gvarun22@outlook.com>
This commit is contained in:
Varun Gokulnath
2025-12-17 11:16:27 -08:00
parent a83edf96d5
commit 164281c34b
2 changed files with 101 additions and 4 deletions
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reparse.go
+6 -2
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@@ -16,6 +16,8 @@ const (
reparseTagMountPoint = 0xA0000003
reparseTagSymlink = 0xA000000C
reparseTagLxSymlink = 0xA000001D // WSL/MSYS2 native symlinks
lxSymlinkVersion = 2 // LX symlink format version
)
type reparseDataBuffer struct {
@@ -102,6 +104,9 @@ func isDriveLetter(c byte) bool {
// EncodeReparsePoint encodes a Win32 REPARSE_DATA_BUFFER structure describing a symlink,
// mount point, or LX symlink.
func EncodeReparsePoint(rp *ReparsePoint) []byte {
if rp == nil {
return nil
}
if rp.IsLxSymlink {
return encodeLxReparsePoint(rp)
}
@@ -110,7 +115,6 @@ func EncodeReparsePoint(rp *ReparsePoint) []byte {
func encodeLxReparsePoint(rp *ReparsePoint) []byte {
// LX symlink: 4-byte version + UTF-8 target
version := uint32(2)
targetBytes := []byte(rp.Target)
dataLength := 4 + len(targetBytes)
@@ -118,7 +122,7 @@ func encodeLxReparsePoint(rp *ReparsePoint) []byte {
_ = binary.Write(&b, binary.LittleEndian, uint32(reparseTagLxSymlink))
_ = binary.Write(&b, binary.LittleEndian, uint16(dataLength))
_ = binary.Write(&b, binary.LittleEndian, uint16(0))
_ = binary.Write(&b, binary.LittleEndian, version)
_ = binary.Write(&b, binary.LittleEndian, uint32(lxSymlinkVersion))
_, _ = b.Write(targetBytes)
return b.Bytes()
}