[lwip-devel] [bug #50536] socket API might fail for sizeof(int) <= 2

[Simon Goldschmidt]

URL:
  <http://savannah.nongnu.org/bugs/?50536>

                 Summary: socket API might fail for sizeof(int) <= 2
                 Project: lwIP - A Lightweight TCP/IP stack
            Submitted by: goldsimon
            Submitted on: Mon 13 Mar 2017 09:01:14 PM UTC
                Category: None
                Severity: 3 - Normal
              Item Group: None
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
         Planned Release: None
            lwIP version: git head

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Details:

Currently, we use int as return value for various socket functions returning
copy- or datagram length.
However, the opengroup spec says we should return ssize_t instead here. This
might be to compensate for platforms where 'int' has 16 bits (and thus we
could return 32KByte only, and our max.-sized pbufs would fail).




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