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dotnet: reparse point changes

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This commit is contained in:
Bill Zissimopoulos
2017-05-05 18:23:52 -07:00
parent b5bfeee027
commit b38a89e485
3 changed files with 78 additions and 30 deletions
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41
src/dotnet/Interop.cs
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@ -354,14 +354,14 @@ namespace Fsp.Interop
[MarshalAs(UnmanagedType.U1)] Boolean ResolveLastPathComponent,
out IoStatusBlock PIoStatus,
IntPtr Buffer,
ref UIntPtr PSize);
IntPtr PSize);
[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
internal delegate Int32 GetReparsePoint(
IntPtr FileSystem,
ref FullContext FullContext,
[MarshalAs(UnmanagedType.LPWStr)] String FileName,
IntPtr Buffer,
out UIntPtr PSize);
IntPtr PSize);
[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
internal delegate Int32 SetReparsePoint(
IntPtr FileSystem,
@ -488,7 +488,7 @@ namespace Fsp.Interop
[MarshalAs(UnmanagedType.U1)] Boolean ResolveLastPathComponent,
out IoStatusBlock PIoStatus,
IntPtr Buffer,
ref UIntPtr PSize);
IntPtr PSize);
[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
internal delegate Int32 FspFileSystemCanReplaceReparsePoint(
IntPtr CurrentReparseData,
@ -587,7 +587,7 @@ namespace Fsp.Interop
[MarshalAs(UnmanagedType.LPWStr)] String FileName,
[MarshalAs(UnmanagedType.U1)] Boolean IsDirectory,
IntPtr Buffer,
ref UIntPtr PSize);
IntPtr PSize);
[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
internal delegate Int32 ServiceStart(
IntPtr Service,
@ -770,6 +770,39 @@ namespace Fsp.Interop
return null;
}
internal unsafe static Int32 CopyReparsePoint(
Byte[] ReparsePointBytes,
IntPtr Buffer,
IntPtr PSize)
{
if (IntPtr.Zero != Buffer)
{
if (null != ReparsePointBytes)
{
if (ReparsePointBytes.Length > (int)*(UIntPtr *)PSize)
return unchecked((Int32)0xc0000023)/*STATUS_BUFFER_TOO_SMALL*/;
*(UIntPtr *)PSize = (UIntPtr)ReparsePointBytes.Length;
Marshal.Copy(ReparsePointBytes, 0, Buffer, ReparsePointBytes.Length);
}
else
*(UIntPtr *)PSize = UIntPtr.Zero;
}
return 0/*STATUS_SUCCESS*/;
}
internal static Byte[] MakeReparsePoint(
IntPtr Buffer,
UIntPtr Size)
{
if (IntPtr.Zero != Buffer)
{
Byte[] ReparsePointBytes = new Byte[(int)Size];
Marshal.Copy(Buffer, ReparsePointBytes, 0, ReparsePointBytes.Length);
return ReparsePointBytes;
}
else
return null;
}
internal static Int32 SetDebugLogFile(String FileName)
{
IntPtr Handle;