[lwip-devel] [bug #35574] Lockup in httpd (the older non-SSI/CGI httpd)

[Simon Goldschmidt]

Update of bug #35574 (project lwip):

            lwIP version:                   1.4.0 => Other                  

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Follow-up Comment #3:

> Why not just return from tcp_write if len == 0

I think the reason for that is that at least until 1.3.2, tcp_write() and
tcp_send_ctrl() were direct mappers to tcp_enqueue() (with data+len or tcp
header flags). The way it is now, I agree with you that we could just return
instead of asserting when len is 0.

Still I think that http_send should not call into tcp_write with len==0.

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