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Source file src/internal/syscall/windows/reparse_windows.go

Documentation: internal/syscall/windows

     1  // Copyright 2016 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package windows
     6  
     7  const (
     8  	FSCTL_SET_REPARSE_POINT    = 0x000900A4
     9  	IO_REPARSE_TAG_MOUNT_POINT = 0xA0000003
    10  
    11  	SYMLINK_FLAG_RELATIVE = 1
    12  )
    13  
    14  // These structures are described
    15  // in https://msdn.microsoft.com/en-us/library/cc232007.aspx
    16  // and https://msdn.microsoft.com/en-us/library/cc232006.aspx.
    17  
    18  // REPARSE_DATA_BUFFER_HEADER is a common part of REPARSE_DATA_BUFFER structure.
    19  type REPARSE_DATA_BUFFER_HEADER struct {
    20  	ReparseTag uint32
    21  	// The size, in bytes, of the reparse data that follows
    22  	// the common portion of the REPARSE_DATA_BUFFER element.
    23  	// This value is the length of the data starting at the
    24  	// SubstituteNameOffset field.
    25  	ReparseDataLength uint16
    26  	Reserved          uint16
    27  }
    28  
    29  type SymbolicLinkReparseBuffer struct {
    30  	// The integer that contains the offset, in bytes,
    31  	// of the substitute name string in the PathBuffer array,
    32  	// computed as an offset from byte 0 of PathBuffer. Note that
    33  	// this offset must be divided by 2 to get the array index.
    34  	SubstituteNameOffset uint16
    35  	// The integer that contains the length, in bytes, of the
    36  	// substitute name string. If this string is null-terminated,
    37  	// SubstituteNameLength does not include the Unicode null character.
    38  	SubstituteNameLength uint16
    39  	// PrintNameOffset is similar to SubstituteNameOffset.
    40  	PrintNameOffset uint16
    41  	// PrintNameLength is similar to SubstituteNameLength.
    42  	PrintNameLength uint16
    43  	// Flags specifies whether the substitute name is a full path name or
    44  	// a path name relative to the directory containing the symbolic link.
    45  	Flags      uint32
    46  	PathBuffer [1]uint16
    47  }
    48  
    49  type MountPointReparseBuffer struct {
    50  	// The integer that contains the offset, in bytes,
    51  	// of the substitute name string in the PathBuffer array,
    52  	// computed as an offset from byte 0 of PathBuffer. Note that
    53  	// this offset must be divided by 2 to get the array index.
    54  	SubstituteNameOffset uint16
    55  	// The integer that contains the length, in bytes, of the
    56  	// substitute name string. If this string is null-terminated,
    57  	// SubstituteNameLength does not include the Unicode null character.
    58  	SubstituteNameLength uint16
    59  	// PrintNameOffset is similar to SubstituteNameOffset.
    60  	PrintNameOffset uint16
    61  	// PrintNameLength is similar to SubstituteNameLength.
    62  	PrintNameLength uint16
    63  	PathBuffer      [1]uint16
    64  }
    65  

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