From a503c517d99084c7448e0024b6fe00e8098cd5d6 Mon Sep 17 00:00:00 2001
From: Natalia Portillo <claunia@claunia.com>
Date: Sun, 12 Oct 2025 11:38:21 +0100
Subject: [PATCH] [AaruFormat] Implement WriteSector.

---
 Aaru.Images/AaruFormat/Unimplemented.cs |  2 --
 Aaru.Images/AaruFormat/Write.cs         | 32 +++++++++++++++++++++++++
 2 files changed, 32 insertions(+), 2 deletions(-)
 create mode 100644 Aaru.Images/AaruFormat/Write.cs

diff --git a/Aaru.Images/AaruFormat/Unimplemented.cs b/Aaru.Images/AaruFormat/Unimplemented.cs
index 61033fe25..e930c9c01 100644
--- a/Aaru.Images/AaruFormat/Unimplemented.cs
+++ b/Aaru.Images/AaruFormat/Unimplemented.cs
@@ -36,8 +36,6 @@ public sealed partial class AaruFormat
     /// <inheritdoc />
     public bool WriteMediaTag(byte[] data, MediaTagType tag) => throw new NotImplementedException();
 
-    /// <inheritdoc />
-    public bool WriteSector(byte[] data, ulong sectorAddress) => throw new NotImplementedException();
 
     /// <inheritdoc />
     public bool WriteSectorLong(byte[] data, ulong sectorAddress) => throw new NotImplementedException();
diff --git a/Aaru.Images/AaruFormat/Write.cs b/Aaru.Images/AaruFormat/Write.cs
new file mode 100644
index 000000000..025c1e770
--- /dev/null
+++ b/Aaru.Images/AaruFormat/Write.cs
@@ -0,0 +1,32 @@
+using System;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+namespace Aaru.Images;
+
+public sealed partial class AaruFormat
+{
+#region IWritableOpticalImage Members
+
+    /// <inheritdoc />
+    public bool WriteSector(byte[] data, ulong sectorAddress)
+    {
+        Status res = aaruf_write_sector(_context, sectorAddress, false, data, SectorStatus.Dumped, (uint)data.Length);
+
+        if(res == Status.Ok) return true;
+
+        ErrorMessage = StatusToErrorMessage(res);
+
+        return false;
+    }
+
+#endregion
+
+    // AARU_EXPORT int32_t AARU_CALL aaruf_write_sector(void *context, uint64_t sector_address, bool negative,
+    // const uint8_t *data, uint8_t sector_status, uint32_t length)
+    [LibraryImport("libaaruformat", EntryPoint = "aaruf_write_sector", SetLastError = true)]
+    [UnmanagedCallConv(CallConvs = [typeof(CallConvStdcall)])]
+    private static partial Status aaruf_write_sector(IntPtr                             context, ulong sectorAddress,
+                                                     [MarshalAs(UnmanagedType.I4)] bool negative, [In] byte[] data,
+                                                     SectorStatus                       sectorStatus, uint length);
+}
\ No newline at end of file