buglwIP - A Lightweight TCP/IP stack - Bugs: bug #64769, LWIP_HAVE_INT64 Conditional...


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bug #64769: LWIP_HAVE_INT64 Conditional Compilation Error

Submitter:  Ian Adams <iadams>
Submitted:  Wed 11 Oct 2023 07:23:23 PM UTC
Category:  apps Severity:  3 - Normal
Item Group:  Crash Error Status:  None
Privacy:  Public Assigned to:  None
Open/Closed:  Open Planned Release:  None
lwIP version:  2.2.0

Wed 11 Oct 2023 07:23:23 PM UTC, original submission:  

In src/apps/snmp/snmp_mib2_tcp.c, there is an incorrectly placed preprocessor directive that cause an error if LWIP_HAVE_INT64 is not defined. The erroneous code starts at line 598

598   &SYNC_NODE_NAME(tcp_HCInSegs).node.node,
599 #if LWIP_HAVE_INT64
600   &SYNC_NODE_NAME(tcp_HCOutSegs).node.node,
601   &SYNC_NODE_NAME(tcp_ConnectionTable).node.node,
602 #endif

Should be:

tcp_HCInSegs and tcp_HCOutSegs are defined only if LWIP_HAVE_INT64 is true in lines 522-525 of the same file, so we get an error that tcp_HCInSegs has not been declared.

Ian Adams <iadams>


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