[lwip-devel] [bug #23559] lwip_recvfrom problem with tcp

[Simon Goldschmidt]

Update of bug #23559 (project lwip):

                  Status:                    None => Invalid                
             Open/Closed:                    Open => Closed                 

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Follow-up Comment #3:

Cui, since you did not go into detail on Frédéric's questions and I think
Frédéric is right here, I'm closing this as invalid.

Please feel free to correct me.

Here's how I see it with your example:
- 7000 bytes are received
- sock->lastdata points to that netbuf
- 4096 bytes are copied to user memory, sock->lastoffset=4096

- next call to recvfrom
- sock->lastdata is != NULL
- 2904 bytes are copied to user memory,
- sock->lastdata is set to NULL, sock->lastoffset is set to 0

Can't see a problem here.

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