Discussion of current development efforts in lwIP ()

Erik Corry | 1 Jun 2006 21:12

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[bug #6564] src/core/tcp.c:139: warning: dereferencing type-punned pointer will break strict-aliasing rules


Follow-up Comment #2, bug #6564 (project lwip):

I fixed this by altering the code so the -fno-strictaliasing option doesn't
need to be used.  See attached patch.
    _______________________________________________________

Additional Item Attachment:

File name: aliasing.diff                  Size:2 KB

<http://savannah.nongnu.org/bugs/download.php?file_id=10102>

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anonymous | 12 Jun 2006 14:33

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[bug #16830] err_tcp() posts to connection mailbox when no pend on the mailbox is active


URL:
  <http://savannah.nongnu.org/bugs/?func=detailitem&item_id=16830>

                 Summary: err_tcp() posts to connection mailbox when no pend
on the mailbox is active
                 Project: lwIP - A Lightweight TCP/IP stack
            Submitted by: None
            Submitted on: Monday 06/12/2006 at 12:33 UTC
                Category: TCP
                Severity: 3 - Normal
              Item Group: Faulty Behaviour
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open

    _______________________________________________________

Details:

When a TCP error occurs and err_tcp() is called, the function posts a null
message to the connection's mailbox.  Since the mailbox is used for
synchronization of connection messages to the TCP thread, posting to it is
only valid when a connection function is pending on the result.  It appears
that this only occurs when the connection is attempting to connect via a call
to netconn_connect(). In all other instances, the connection's mailbox will
receive a message from the TCP thread.

Posting an extra message in err_tcp() causes the next netconn_xxx() API call

(Continue reading)

Christiaan Simons | 14 Jun 2006 10:21

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[patch #5146] Handle allocation failures in accept_function()


Update of patch #5146 (project lwip):

             Open/Closed:                    Open => Closed                 

    _______________________________________________________

Follow-up Comment #1:

Accepted patch.

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Christiaan Simons | 14 Jun 2006 10:52

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[patch #4688] Unwarranted #include's in api/sockets.c


Update of patch #4688 (project lwip):

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

    _______________________________________________________

Follow-up Comment #1:

Rejected patch. Includes are required, memcpy and errno are used.

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Christiaan Simons | 15 Jun 2006 09:11

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[bug #1748] (struct stats_mem) & proj/unixsim/shell.c out of sync


Update of bug #1748 (project lwip):

                Category:                    None => Contrib                
              Item Group:                    None => Faulty Behaviour       
                  Status:                    None => Fixed                  
             Open/Closed:                    Open => Closed                 

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Christiaan Simons | 19 Jun 2006 09:52

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[bug #2717] mem_realloc() does not check for alignment of newsize


Follow-up Comment #3, bug #2717 (project lwip):

Returning actual allocation size isn't of much use, at least I think so. As a
caller you want at least n bytes and if it's a little more because of
alignment than that's fine with me...

Can I close this?

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Christiaan Simons | 20 Jun 2006 08:50

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[bug #2717] mem_realloc() does not check for alignment of newsize


Update of bug #2717 (project lwip):

             Open/Closed:                    Open => Closed                 

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Christiaan Simons | 20 Jun 2006 08:59

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[bug #1894] tcp_write and tcp_output usage is confusing


Update of bug #1894 (project lwip):

             Open/Closed:                    Open => Closed                 

    _______________________________________________________

Follow-up Comment #4:

tcp_write() is documented in both source and in rawapi.txt and tcp_output()
maybe needs a little more doxygen. This applies to all lwip files, so I'll
close it.

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Christiaan Simons | 21 Jun 2006 09:17

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[bug #1913] Circular function calls in unix sys_arch when mem_malloc == malloc


Follow-up Comment #1, bug #1913 (project lwip):

Dangling URL, does anyone have a clue where to find the original problem
description? Or is this solved?

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Christiaan Simons | 21 Jun 2006 09:20

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[bug #1911] Use of snd_nxt and snd_max in tcp_process


Follow-up Comment #1, bug #1911 (project lwip):

Dangling URL, does anyone have a clue where to find the original problem
description? Or is this solved?

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pbuf_header for PBUF_REF/ROM in lwip-1.3.1 (10 May 2013)
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