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[lwip-devel] [bug #39077] using MEMP_USE_CUSTOM_POOLS doesn't work with


From: chrysn
Subject: [lwip-devel] [bug #39077] using MEMP_USE_CUSTOM_POOLS doesn't work with sizeof
Date: Mon, 27 May 2013 05:32:54 +0000
User-agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.6+ (KHTML, like Gecko) Chromium/23.0.1271.95 Chrome/23.0.1271.95 Safari/537.6+ Debian/unstable (3.6.1-2) Epiphany/3.6.1

URL:
  <http://savannah.nongnu.org/bugs/?39077>

                 Summary: using MEMP_USE_CUSTOM_POOLS doesn't work with sizeof
                 Project: lwIP - A Lightweight TCP/IP stack
            Submitted by: chrysn
            Submitted on: Mon 27 May 2013 05:32:53 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: git head

    _______________________________________________________

Details:

when custom lwippools.h files are used, sizeof() often can't be used because
#include lines into own libraries (which would declare what is to be sizeof'd)
would go in the middle of enum declarations and such.

that can be easily circumvented by including lwip/memp_std.h "blank" once,
which causes all external includes to be resolved; when it's later used with
LWIP_MEMPOOL defined, the include guards of the external headers get
triggered, and nothing problematic gets included.

a patch with explanation is attached.



    _______________________________________________________

File Attachments:


-------------------------------------------------------
Date: Mon 27 May 2013 05:32:53 GMT  Name:
0001-include-the-memp-struct-list-once-before-actually-us.patch  Size: 1kB  
By: chrysn

<http://savannah.nongnu.org/bugs/download.php?file_id=28185>

    _______________________________________________________

Reply to this item at:

  <http://savannah.nongnu.org/bugs/?39077>

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