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syscall: Readlink is incorrect for windows #16861

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gooid opened this issue Aug 24, 2016 · 3 comments
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syscall: Readlink is incorrect for windows #16861

gooid opened this issue Aug 24, 2016 · 3 comments

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@gooid
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gooid commented Aug 24, 2016

`

------------------------ src/syscall/syscall_windows.go ------------------------
index 703bb53..eb9a7e1 100644
@@ -1028,11 +1028,11 @@ func Readlink(path string, buf []byte) (n int, err error) {
case IO_REPARSE_TAG_SYMLINK:
data := (symbolicLinkReparseBuffer)(unsafe.Pointer(&rdb.reparseBuffer))
p := (
[0xffff]uint16)(unsafe.Pointer(&data.PathBuffer[0]))

  •   s = UTF16ToString(p[data.PrintNameOffset/2 : (data.PrintNameLength-data.PrintNameOffset)/2])
    
  •   s = UTF16ToString(p[data.PrintNameOffset/2 : (data.PrintNameLength+data.PrintNameOffset)/2])
    
    case _IO_REPARSE_TAG_MOUNT_POINT:
    data := (mountPointReparseBuffer)(unsafe.Pointer(&rdb.reparseBuffer))
    p := (
    [0xffff]uint16)(unsafe.Pointer(&data.PathBuffer[0]))
  •   s = UTF16ToString(p[data.PrintNameOffset/2 : (data.PrintNameLength-data.PrintNameOffset)/2])
    
  •   s = UTF16ToString(p[data.SubstituteNameOffset/2 + 4 : (data.SubstituteNameLength+data.SubstituteNameOffset)/2])
    
    default:
    // the path is not a symlink or junction but another type of reparse
    // point

`

705d06f0-69df-4601-aa5c-5a879f60b4f7

@bradfitz
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/cc @alexbrainman

@hirochachacha
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Dup of #15978.

@alexbrainman
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Yes, looks like related to issue #15978.

Alex

@golang golang locked and limited conversation to collaborators Aug 25, 2017
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