using System;
using System.Runtime.InteropServices;
using TDMS.Common;

namespace TDMS.Externals
{
    internal partial class DDC : DIAdemConnectivity
    {
        [DllImport(DLL, CallingConvention = CallingConvention.StdCall, EntryPoint = "DDC_GetLibraryErrorDescription")]
        public static extern ref char GetLibraryErrorDescription(int errorCode);

        [DllImport(DLL, CallingConvention = CallingConvention.StdCall, EntryPoint = "DDC_FreeMemory")]
        public static extern void FreeMemory(IntPtr memoryPointer);

        public static string GetErrorDescription(int errorCode)
        {
            var ptr = GetLibraryErrorDescription(errorCode);
            return Marshal.PtrToStringAnsi(ptr);
        }
    }
}