--- nono/host/diskimage_raw.h	2026/04/29 17:05:11	1.1.1.3
+++ nono/host/diskimage_raw.h	2026/04/29 17:05:30	1.1.1.4
@@ -14,13 +14,13 @@ class DiskImageRaw : public DiskImageDri
 {
 	using inherited = DiskImageDriver;
  public:
-	DiskImageRaw(const std::string& pathname_);
+	explicit DiskImageRaw(const std::string& pathname_);
 	~DiskImageRaw() override;
 
-	bool GetInfo(off_t *, bool *) override;
+	int IsWriteable() const override;
 	bool Open(bool read_only) override;
 	void Close() override;
-	off_t GetSize() const override;
+	off_t GetSize() const override { return filesize; }
 	bool Read(void *buf, off_t offset, size_t size) override;
 	bool Write(const void *buf, off_t offset, size_t size) override;