[lwip-devel] [bug #50822] tcp_state_str() compiled independently of TCP_DEBUG, possibly increasing dead data

[Konstantin]

URL:
  <http://savannah.nongnu.org/bugs/?50822>

                 Summary: tcp_state_str() compiled independently of TCP_DEBUG,
possibly increasing dead data
                 Project: lwIP - A Lightweight TCP/IP stack
            Submitted by: tomcat_84
            Submitted on: Tue 18 Apr 2017 07:18:25 AM UTC
                Category: TCP
                Severity: 3 - Normal
              Item Group: Feature Request
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
         Planned Release: None
            lwIP version: 2.0.0

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Details:

There are many

#if TCP_DEBUG || TCP_INPUT_DEBUG || TCP_OUTPUT_DEBUG

throughout "tcp.c", but this constant above is not inside one of these. It
seems to be used only by debug outputs. If compiler does not optimize it, this
leads to extra space used (about 144 bytes). Making it conditionally
compilable (along with tcp_debug_state_str() function) could reduce some
projects size.




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