ConvertToNative()

static unsafe IntPtr System.StubHelpers.CSTRMarshaler.ConvertToNative ( int flags, string strManaged, IntPtr pNativeBuffer )

inlinestaticpackage

Definition at line 7 of file CSTRMarshaler.cs.

    {
        if (strManaged == null)
        {
            return IntPtr.Zero;
        }
        byte* ptr = (byte*)(void*)pNativeBuffer;
        int num;
        if (ptr != null || Marshal.SystemMaxDBCSCharSize == 1)
        {
            num = checked((strManaged.Length + 1) * Marshal.SystemMaxDBCSCharSize + 1);
            bool flag = false;
            if (ptr == null)
            {
                ptr = (byte*)(void*)Marshal.AllocCoTaskMem(num);
                flag = true;
            }
            try
            {
                num = Marshal.StringToAnsiString(strManaged, ptr, num, (flags & 0xFF) != 0, flags >> 8 != 0);
            }
            catch (Exception) when (flag)
            {
                Marshal.FreeCoTaskMem((IntPtr)ptr);
                throw;
            }
        }
        else if (strManaged.Length == 0)
        {
            num = 0;
            ptr = (byte*)(void*)Marshal.AllocCoTaskMem(2);
        }
        else
        {
            byte[] array = AnsiCharMarshaler.DoAnsiConversion(strManaged, (flags & 0xFF) != 0, flags >> 8 != 0, out num);
            ptr = (byte*)(void*)Marshal.AllocCoTaskMem(num + 2);
            Buffer.Memmove(ref *ptr, ref MemoryMarshal.GetArrayDataReference(array), (nuint)num);
        }
        ptr[num] = 0;
        ptr[num + 1] = 0;
        return (IntPtr)ptr;
    }

References System.Runtime.InteropServices.Marshal.AllocCoTaskMem(), System.array, System.StubHelpers.AnsiCharMarshaler.DoAnsiConversion(), System.Runtime.InteropServices.Marshal.FreeCoTaskMem(), System.Runtime.InteropServices.MemoryMarshal.GetArrayDataReference(), System.Buffer.Memmove(), System.Runtime.InteropServices.Marshal.StringToAnsiString(), System.Runtime.InteropServices.Marshal.SystemMaxDBCSCharSize, and System.IntPtr.Zero.

Referenced by System.StubHelpers.AsAnyMarshaler.ConvertStringToNative().