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Port NativeItemExists for Linux

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Without using .NET
This commit is contained in:
Andrew Schwartzmeyer 2016-07-13 21:44:04 -07:00
parent e89fa7b1dc
commit 5ef851a170
2 changed files with 26 additions and 33 deletions
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54
src/System.Management.Automation/CoreCLR/CorePsPlatform.cs
View file

@ -416,6 +416,16 @@ namespace System.Management.Automation
return hostName;
}
internal static bool NonWindowsIsFile(string path)
{
return Unix.NativeMethods.IsFile(path);
}
internal static bool NonWindowsIsDirectory(string path)
{
return Unix.NativeMethods.IsDirectory(path);
}
internal static bool NonWindowsIsExecutable(string path)
{
return Unix.IsExecutable(path);
@ -592,43 +602,12 @@ namespace System.Management.Automation
public static bool IsSymLink(FileSystemInfo fs)
{
if (!fs.Exists)
{
return false;
}
string filePath = fs.FullName;
int ret = NativeMethods.IsSymLink(filePath);
switch(ret)
{
case 1:
return true;
case 0:
return false;
default:
int lastError = Marshal.GetLastWin32Error();
throw new InvalidOperationException("Unix.IsSymLink error: " + lastError);
}
return NativeMethods.IsSymLink(fs.FullName);
}
public static bool IsExecutable(string filePath)
{
if (!File.Exists(filePath))
{
return false;
}
int ret = NativeMethods.IsExecutable(filePath);
switch(ret)
{
case 1:
return true;
case 0:
return false;
default:
int lastError = Marshal.GetLastWin32Error();
throw new InvalidOperationException("Unix.IsExecutable error: " + lastError);
}
return NativeMethods.IsExecutable(filePath);
}
public static void SetDate(SetDateInfoInternal info)
@ -739,6 +718,15 @@ namespace System.Management.Automation
[DllImport(psLib, CharSet = CharSet.Ansi, SetLastError = true)]
[return: MarshalAs(UnmanagedType.LPStr)]
internal static extern string GetUserFromPid(int pid);
[DllImport(psLib, CharSet = CharSet.Ansi, SetLastError = true)]
[return: MarshalAs(UnmanagedType.I1)]
internal static extern bool IsFile([MarshalAs(UnmanagedType.LPStr)]string filePath);
[DllImport(psLib, CharSet = CharSet.Ansi, SetLastError = true)]
[return: MarshalAs(UnmanagedType.I1)]
internal static extern bool IsDirectory([MarshalAs(UnmanagedType.LPStr)]string filePath);
}
}

5
src/System.Management.Automation/engine/Utils.cs
View file

@ -995,6 +995,10 @@ namespace System.Management.Automation
isDirectory = false;
return false;
}
#if LINUX
isDirectory = Platform.NonWindowsIsDirectory(path);
return Platform.NonWindowsIsFile(path);
#else
if (IsReservedDeviceName(path))
{
@ -1028,6 +1032,7 @@ namespace System.Management.Automation
((int)NativeMethods.FileAttributes.Directory);
return true;
#endif
}
// This is done through P/Invoke since we pay 13% performance degradation