From f2b421a6b385b08fcea30683468079950b0caa0f Mon Sep 17 00:00:00 2001
From: Natalia Portillo <claunia@claunia.com>
Date: Sat, 11 Oct 2025 16:29:58 +0100
Subject: [PATCH] [AaruFormat] Implement Identify.

---
 Aaru.Images/AaruFormat/Identify.cs      | 27 +++++++++++++++++++++++++
 Aaru.Images/AaruFormat/Unimplemented.cs |  3 ---
 2 files changed, 27 insertions(+), 3 deletions(-)
 create mode 100644 Aaru.Images/AaruFormat/Identify.cs

diff --git a/Aaru.Images/AaruFormat/Identify.cs b/Aaru.Images/AaruFormat/Identify.cs
new file mode 100644
index 000000000..0c946a58b
--- /dev/null
+++ b/Aaru.Images/AaruFormat/Identify.cs
@@ -0,0 +1,27 @@
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+using Aaru.CommonTypes.Interfaces;
+
+namespace Aaru.Images;
+
+public sealed partial class AaruFormat
+{
+#region IWritableOpticalImage Members
+
+    /// <inheritdoc />
+    public bool Identify(IFilter imageFilter)
+    {
+        string imagePath = imageFilter.BasePath;
+
+        int ret = aaruf_identify(imagePath);
+
+        return ret >= 100;
+    }
+
+#endregion
+
+    // AARU_EXPORT int AARU_CALL aaruf_identify(const char *filename)
+    [LibraryImport("libaaruformat", EntryPoint = "aaruf_identify", StringMarshalling = StringMarshalling.Utf8)]
+    [UnmanagedCallConv(CallConvs = [typeof(CallConvStdcall)])]
+    private static partial int aaruf_identify(string filename);
+}
\ No newline at end of file
diff --git a/Aaru.Images/AaruFormat/Unimplemented.cs b/Aaru.Images/AaruFormat/Unimplemented.cs
index 05b81d332..f9d887716 100644
--- a/Aaru.Images/AaruFormat/Unimplemented.cs
+++ b/Aaru.Images/AaruFormat/Unimplemented.cs
@@ -22,9 +22,6 @@ public sealed partial class AaruFormat
 
 #region IWritableOpticalImage Members
 
-    /// <inheritdoc />
-    public bool Identify(IFilter imageFilter) => throw new NotImplementedException();
-
     /// <inheritdoc />
     public ErrorNumber Open(IFilter imageFilter) => throw new NotImplementedException();