Avoid unnecessary buffer copies

2026-09-09 14:27:30 +00:00
parent 94e63f96ad
commit e3948d2a45
2 changed files with 62 additions and 19 deletions
@@ -331,14 +331,9 @@ class VixDiskLibHandle:
            start_sector: First sector to read.
            num_sectors: Number of sectors to read.
            buf: Destination buffer (``get_buffer`` or a writable bytes-like).
+                Uncompressed NFC extra is received into this buffer.
        """
-        data = disk_handle.disk.read(start_sector, num_sectors)
-        if isinstance(buf, (bytearray, memoryview)):
-            if len(buf) < len(data):
-                raise RuntimeError(f"read buffer is {len(buf)} bytes, need {len(data)}")
-            buf[: len(data)] = data
-            return
-        ctypes.memmove(buf, data, len(data))
+        disk_handle.disk.readinto(start_sector, num_sectors, memoryview(buf))

    def write(
        self,