Virtu/Library/MarshalHelpers.cs

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C#
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using System;
using System.Diagnostics.CodeAnalysis;
using System.Runtime.InteropServices;
using System.Security;
namespace Jellyfish.Library
{
public static class MarshalHelpers
{
[SecurityCritical]
public static void FillMemory(IntPtr buffer, int bufferSize, byte value)
{
NativeMethods.FillMemory(buffer, (IntPtr)bufferSize, value);
}
[SecurityCritical]
public static void ZeroMemory(IntPtr buffer, int bufferSize)
{
NativeMethods.ZeroMemory(buffer, (IntPtr)bufferSize);
}
[SecurityCritical]
[SuppressUnmanagedCodeSecurity]
private static class NativeMethods
{
[SuppressMessage("Microsoft.Security", "CA2118:ReviewSuppressUnmanagedCodeSecurityUsage")]
[DllImport("kernel32.dll", SetLastError = true)]
public static extern void FillMemory(IntPtr destination, IntPtr length, byte fill);
[SuppressMessage("Microsoft.Security", "CA2118:ReviewSuppressUnmanagedCodeSecurityUsage")]
[DllImport("kernel32.dll", SetLastError = true)]
public static extern void ZeroMemory(IntPtr destination, IntPtr length);
}
}
}