File size: 3,527 Bytes
8c763fb | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 | // Copyright (c) Microsoft Corporation.
// Licensed under the MIT License.
#nullable enable
using System;
using System.IO;
using System.Management.Automation;
using System.Runtime.InteropServices;
using Microsoft.Win32.SafeHandles;
internal static partial class Interop
{
internal static unsafe partial class Windows
{
// dwDesiredAccess of CreateFile
[Flags]
internal enum FileDesiredAccess : uint
{
GenericZero = 0,
GenericRead = 0x80000000,
GenericWrite = 0x40000000,
GenericExecute = 0x20000000,
GenericAll = 0x10000000,
}
// dwFlagsAndAttributes
[Flags]
internal enum FileAttributes : uint
{
Readonly = 0x00000001,
Hidden = 0x00000002,
System = 0x00000004,
Archive = 0x00000020,
Encrypted = 0x00004000,
Write_Through = 0x80000000,
Overlapped = 0x40000000,
NoBuffering = 0x20000000,
RandomAccess = 0x10000000,
SequentialScan = 0x08000000,
DeleteOnClose = 0x04000000,
BackupSemantics = 0x02000000,
PosixSemantics = 0x01000000,
OpenReparsePoint = 0x00200000,
OpenNoRecall = 0x00100000,
SessionAware = 0x00800000,
Normal = 0x00000080
}
// WARNING: This method does not implicitly handle long paths. Use CreateFile.
[LibraryImport("api-ms-win-core-file-l1-1-0.dll", EntryPoint = "CreateFileW", SetLastError = true, StringMarshalling = StringMarshalling.Utf16)]
private static unsafe partial SafeFileHandle CreateFilePrivate(
string lpFileName,
uint dwDesiredAccess,
FileShare dwShareMode,
nint lpSecurityAttributes,
FileMode dwCreationDisposition,
FileAttributes dwFlagsAndAttributes,
IntPtr hTemplateFile);
[LibraryImport("api-ms-win-core-file-l1-1-0.dll", EntryPoint = "CreateFileW", SetLastError = true, StringMarshalling = StringMarshalling.Utf16)]
private static unsafe partial nint CreateFileWithPipeHandlePrivate(
string lpFileName,
uint dwDesiredAccess,
FileShare dwShareMode,
nint lpSecurityAttributes,
FileMode dwCreationDisposition,
FileAttributes dwFlagsAndAttributes,
IntPtr hTemplateFile);
internal static unsafe SafeFileHandle CreateFileWithSafeFileHandle(
string lpFileName,
FileAccess dwDesiredAccess,
FileShare dwShareMode,
FileMode dwCreationDisposition,
FileAttributes dwFlagsAndAttributes)
{
lpFileName = Path.TrimEndingDirectorySeparator(lpFileName);
lpFileName = PathUtils.EnsureExtendedPrefixIfNeeded(lpFileName);
return CreateFilePrivate(lpFileName, (uint)dwDesiredAccess, dwShareMode, nint.Zero, dwCreationDisposition, dwFlagsAndAttributes, nint.Zero);
}
internal static unsafe nint CreateFileWithPipeHandle(
string lpFileName,
FileAccess dwDesiredAccess,
FileShare dwShareMode,
FileMode dwCreationDisposition,
FileAttributes dwFlagsAndAttributes)
{
return CreateFileWithPipeHandlePrivate(lpFileName, (uint)dwDesiredAccess, dwShareMode, nint.Zero, dwCreationDisposition, dwFlagsAndAttributes, nint.Zero);
}
}
}
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