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Ignore expected error for file systems not supporting alternate streams (#19065)

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This commit is contained in:
Paul Higinbotham
2023-01-31 08:23:44 -08:00
committed by GitHub
parent 4e80e7611f
commit f3485228f7
1 changed files with 6 additions and 1 deletions
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src/System.Management.Automation/namespaces/FileSystemProvider.cs
+6 -1
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@@ -8098,7 +8098,10 @@ namespace System.Management.Automation.Internal
// Directories don't normally have alternate streams, so this is not an exceptional state.
// If a directory has no alternate data streams, FindFirstStreamW returns ERROR_HANDLE_EOF.
if (error == NativeMethods.ERROR_HANDLE_EOF)
// If the file system (such as FAT32) does not support alternate streams, then
// ERROR_INVALID_PARAMETER is returned by FindFirstStreamW. See documentation:
// https://learn.microsoft.com/en-us/windows/win32/api/fileapi/nf-fileapi-findfirststreamw
if (error == NativeMethods.ERROR_HANDLE_EOF || error == NativeMethods.ERROR_INVALID_PARAMETER)
{
return alternateStreams;
}
@@ -8135,7 +8138,9 @@ namespace System.Management.Automation.Internal
int lastError = Marshal.GetLastWin32Error();
if (lastError != NativeMethods.ERROR_HANDLE_EOF)
{
throw new Win32Exception(lastError);
}
}
finally { handle.Dispose(); }