Amiga FFS writes work.

lib/vfs/amigaffs.cc

@@ -147,6 +147,30 @@ public:
         return bytes;
     }
 
+    void putFile(const Path& path, const Bytes& data)
+    {
+        AdfMount m(this);
+        if (path.size() == 0)
+            throw BadPathException();
+
+        auto* vol = m.getVolume();
+        changeDirButOne(vol, path);
+
+        auto* file = adfOpenFile(vol, (char*)path.back().c_str(), (char*)"w");
+        if (!file)
+            throw CannotWriteException();
+
+        unsigned pos = 0;
+        while (pos != data.size())
+        {
+            long done = adfWriteFile(
+                file, data.size() - pos, (uint8_t*)data.cbegin() + pos);
+            pos += done;
+        }
+
+        adfCloseFile(file);
+    }
+
 private:
     class AdfEntry
     {
@@ -270,6 +294,8 @@ public:
     RETCODE adfNativeWriteSector(
         struct Device* dev, int32_t sector, int size, uint8_t* buffer)
     {
+		Bytes bytes(buffer, size);
+		putLogicalSector(sector, bytes);
 		return RC_OK;
     }
 

lib/vfs/fluxsectorinterface.cc

@@ -76,28 +76,28 @@ public:
             }
             else
             {
-				/* Only a few sectors have changed. Do we need to populate the track? */
+                /* Only a few sectors have changed. Do we need to populate the
+                 * track? */
 
                 if (_loadedtracks.find(trackid) == _loadedtracks.end())
                     populateSectors(track, side);
 
-				/* Now merge the loaded track with the changed one, and write the result back. */
+                /* Now merge the loaded track with the changed one, and write
+                 * the result back. */
 
                 Image image;
                 for (const unsigned sector : sectors)
                 {
                     auto s = image.put(track, side, sector);
                     if (_changedSectors.contains(track, side, sector))
-						s->data = _changedSectors.get(track, side, sector)->data;
+                        s->data =
+                            _changedSectors.get(track, side, sector)->data;
                     else
                         s->data = _readSectors.get(track, side, sector)->data;
                 }
 
-                writeDiskCommand(image,
+                writeDiskCommand(
-                    *_encoder,
+                    image, *_encoder, *_fluxSink, &*_decoder, &*_fluxSource);
-                    *_fluxSink,
-                    &*_decoder,
-                    &*_fluxSource);
             }
         }
     }