diff options
| -rw-r--r-- | Lib/io.py | 12 |
1 files changed, 6 insertions, 6 deletions
@@ -826,14 +826,14 @@ class _BytesIO(BufferedIOBase): n = len(b) if n == 0: return 0 - newpos = self._pos + n - if newpos > len(self._buffer): + pos = self._pos + if pos > len(self._buffer): # Inserts null bytes between the current end of the file # and the new write position. - padding = b'\x00' * (newpos - len(self._buffer) - n) - self._buffer[self._pos:newpos - n] = padding - self._buffer[self._pos:newpos] = b - self._pos = newpos + padding = b'\x00' * (pos - len(self._buffer)) + self._buffer += padding + self._buffer[pos:pos + n] = b + self._pos += n return n def seek(self, pos, whence=0): |