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| author | Victor Stinner <victor.stinner@haypocalc.com> | 2011-10-06 18:27:20 (GMT) |
|---|---|---|
| committer | Victor Stinner <victor.stinner@haypocalc.com> | 2011-10-06 18:27:20 (GMT) |
| commit | b09460f03879e0c41a72b7dd79dd16431f0bb3e6 (patch) | |
| tree | 6bd60ba9d4ccc4a69eba6511208a6b24c2f7806a /Doc | |
| parent | 47413c117145c3da7cdb0ded5c05d0d540a26a4a (diff) | |
| download | cpython-b09460f03879e0c41a72b7dd79dd16431f0bb3e6.zip cpython-b09460f03879e0c41a72b7dd79dd16431f0bb3e6.tar.gz cpython-b09460f03879e0c41a72b7dd79dd16431f0bb3e6.tar.bz2 | |
Issue #10141: Don't use hardcoded frame size in example, use struct.calcsize()
Diffstat (limited to 'Doc')
| -rw-r--r-- | Doc/library/socket.rst | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/Doc/library/socket.rst b/Doc/library/socket.rst index 030a421..f9e0780 100644 --- a/Doc/library/socket.rst +++ b/Doc/library/socket.rst @@ -1270,6 +1270,7 @@ network. This example might require special priviledge:: # CAN frame packing/unpacking (see `struct can_frame` in <linux/can.h>) can_frame_fmt = "=IB3x8s" + can_frame_size = struct.calcsize(can_frame_fmt) def build_can_frame(can_id, data): can_dlc = len(data) @@ -1286,7 +1287,7 @@ network. This example might require special priviledge:: s.bind(('vcan0',)) while True: - cf, addr = s.recvfrom(16) + cf, addr = s.recvfrom(can_frame_size) print('Received: can_id=%x, can_dlc=%x, data=%s' % dissect_can_frame(cf)) |