MagicNative.cs

using System;
using System.Runtime.InteropServices;

namespace HeyRed.Mime
{
    internal static class MagicNative
    {
        private const string MAGIC_LIB_PATH = "libmagic-1";

        [DllImport(MAGIC_LIB_PATH, CallingConvention = CallingConvention.Cdecl)]
        public static extern IntPtr magic_open(MagicOpenFlags flags);

        [DllImport(MAGIC_LIB_PATH, CallingConvention = CallingConvention.Cdecl)]
        public static extern int magic_load(IntPtr magic_cookie, string filename);

        [DllImport(MAGIC_LIB_PATH, CallingConvention = CallingConvention.Cdecl)]
        public static extern void magic_close(IntPtr magic_cookie);

        [DllImport(MAGIC_LIB_PATH, CallingConvention = CallingConvention.Cdecl)]
        public static extern IntPtr magic_file(IntPtr magic_cookie, string filename);

        [DllImport(MAGIC_LIB_PATH, CallingConvention = CallingConvention.Cdecl)]
        public static extern IntPtr magic_buffer(IntPtr magic_cookie, byte[] buffer, int length);

        [DllImport(MAGIC_LIB_PATH, CallingConvention = CallingConvention.Cdecl)]
        public static extern IntPtr magic_error(IntPtr magic_cookie);

        [DllImport(MAGIC_LIB_PATH, CallingConvention = CallingConvention.Cdecl)]
        public static extern MagicOpenFlags magic_getflags(IntPtr magic_cookie);

        [DllImport(MAGIC_LIB_PATH, CallingConvention = CallingConvention.Cdecl)]
        public static extern int magic_setflags(IntPtr magic_cookie, MagicOpenFlags flags);

        [DllImport(MAGIC_LIB_PATH, CallingConvention = CallingConvention.Cdecl)]
        public static extern int magic_check(IntPtr magic_cookie, string dbPath);

        [DllImport(MAGIC_LIB_PATH, CallingConvention = CallingConvention.Cdecl)]
        public static extern int magic_compile(IntPtr magic_cookie, string dbPath);

        [DllImport(MAGIC_LIB_PATH, CallingConvention = CallingConvention.Cdecl)]
        public static extern int magic_getparam(IntPtr magic_cookie, MagicParams param, out int value);

        [DllImport(MAGIC_LIB_PATH, CallingConvention = CallingConvention.Cdecl)]
        public static extern int magic_setparam(IntPtr magic_cookie, MagicParams param, ref int value);

        [DllImport(MAGIC_LIB_PATH, CallingConvention = CallingConvention.Cdecl)]
        public static extern int magic_version();
    }
}