Remove some unused functions, and properly close a file handle that is fopened.

Signed-off-by: Christopher D. Leary <[email protected]>

Author: cdleary

src/rcx/src/extSpef.cpp

@@ -1259,12 +1259,6 @@ uint extSpef::writeRes(uint netId, odb::dbSet<odb::dbRSeg>& rSet)
   }
   return cnt;
 }
-void getjxy(odb::dbNet* net, uint jid, Logger* logger)
-{
-  int jx, jy;
-  net->getWire()->getCoord((int) jid, jx, jy);
-  logger->info(RCX, 174, "{}:{} {} {}", net->getId(), jid, jx, jy);
-}
 uint extSpef::writeNet(odb::dbNet* net, double resBound, uint debug)
 {
   _d_net = net;

src/rcx/src/extmain.cpp

@@ -1226,15 +1226,6 @@ void extMain::printNet(dbNet* net, uint netId)
   if (netId == net->getId())
     net->printNetName(stdout);
 }
-bool IsDebugNets(dbNet* srcNet, dbNet* tgtNet, uint debugNetId)
-{
-  if (srcNet != NULL && srcNet->getId() == debugNetId)
-    return true;
-  if (tgtNet != NULL && tgtNet->getId() == debugNetId)
-    return true;
-
-  return false;
-}
 void extMain::measureRC(CoupleOptions& options)
 {
   _totSegCnt++;
@@ -1393,11 +1384,6 @@ void extMain::measureRC(CoupleOptions& options)
   }
   ccReportProgress();
 }
-void extCompute(CoupleOptions& options, void* computePtr)
-{
-  extMain* mmm = (extMain*) computePtr;
-  mmm->measureRC(options);
-}
 extern CoupleOptions coupleOptionsNull;
 
 void extCompute1(CoupleOptions& options, void* computePtr)

src/rcx/src/netRC.cpp

@@ -1116,13 +1116,6 @@ void extMain::removeExt()
   }
   removeExt(rnets);
 }
-void v_printWireNeighbor(void* ip,
-                         uint met,
-                         void* v_swire,
-                         void* v_topNeighbor,
-                         void* v_botNeighbor)
-{
-}
 void extCompute(CoupleOptions& inputTable, void* extModel);
 void extCompute1(CoupleOptions& inputTable, void* extModel);
 
@@ -1881,9 +1874,11 @@ bool extMain::setCorners(const char* rulesFileName, const char* cmp_file)
     logger_->info(
         RCX, 435, "Reading extraction model file {} ...", rulesFileName);
 
-    if (!fopen(rulesFileName, "r"))
+    FILE* rules_file = fopen(rulesFileName, "r");
+    if (rules_file == nullptr)
       logger_->error(
           RCX, 468, "Can't open extraction model file {}", rulesFileName);
+    fclose(rules_file);
 
     if (!(m->readRules((char*) rulesFileName,
                        false,