[lwip-devel] [bug #27851] TCP_EVENT_RECV(pcb, NULL, ...) results in unreachable code warning

[Simon Goldschmidt]

URL:
  <http://savannah.nongnu.org/bugs/?27851>

                 Summary: TCP_EVENT_RECV(pcb, NULL,...) results in
unreachable code warning
                 Project: lwIP - A Lightweight TCP/IP stack
            Submitted by: goldsimon
            Submitted on: Do 29 Okt 2009 18:08:03 GMT
                Category: None
                Severity: 3 - Normal
              Item Group: None
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
         Planned Release: 
            lwIP version: 1.3.1

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Details:

>From Iordan Neshev on lwip-devel (29-10-2009):

*line 337:
        TCP_EVENT_RECV(pcb, NULL, ERR_OK, err);
        A note may be added:
        /* the NULL argument causes compiler warning (unreachable code) 
that can be safely ignored */
        I spent some time to find out why this happens. May be helpful 
for somebody.




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