Avoid pointer cast to time_t from incompatible type (star-bnl#427)

Resolves star-bnl#426

Author: plexoos

StRoot/StDaqLib/SC/SC_Reader.cxx

@@ -9,6 +9,7 @@
 
 #include <assert.h>
 #include <math.h>
+#include <ctime>
 
 using namespace OLDEVP;
 
@@ -97,8 +98,8 @@ SC_Reader::SC_Reader(EventReader *er) {
   //Keep BBCBkg scalers flipped as theyStRoot/StDaqLib/SC/SC_Reader.cxx were historically before 2009
   //Note that new DAQ reader leads to UTime = 0, or tm_year=70 (1970)
   //but new DAQ reader only gets used for 2009+ anyhow
-  unsigned int UTime = er->getEventInfo().UnixTime;
-  struct tm *time=gmtime((time_t*) &UTime);
+  std::time_t utime = er->getEventInfo().UnixTime;
+  std::tm *time = gmtime(&utime);
   flipBBCBkg = (time->tm_year > 95 && time->tm_year < 109 ? 1 : 0) ;
 
   //  LDate = (((1900+time->tm_year)*100 + 1 + time->tm_mon)*100 + time->tm_mday)*100;

StRoot/StDaqLib/SSD/SSD_Reader.cxx

@@ -3,6 +3,7 @@
 
 #include <assert.h>
 #include <math.h>
+#include <ctime>
 
 static unsigned short log8to10_table[256] = {
     0,    1,    2,    3,    4,    5,    6,    7,
@@ -118,8 +119,8 @@ SSD_Reader::SSD_Reader(EventReader *er) {
   datap=er->getDATAP(); 
   if (datap) {
 
-  unsigned int UTime = er->getEventInfo().UnixTime;
-  struct tm *time=gmtime((time_t*) &UTime);
+  std::time_t utime = er->getEventInfo().UnixTime;
+  std::tm *time = gmtime(&utime);
 
   //LDate = (((1900+time->tm_year)*100 + 1 + time->tm_mon)*100 + time->tm_mday)*100;
   //LDate = yyyymmdd

StRoot/StEEmcUtil/EEfeeRaw/RootWrapper.cxx

@@ -1,5 +1,6 @@
 #include <cstdlib>
 #include <cstdio>
+#include <ctime>
 
 #include "TROOT.h"
 #include "TFile.h"
@@ -57,7 +58,8 @@ eemcfeerootopen_(long& run, long& runtime, char *chfile, int &nAuto, int len)
     char *idt  = strchr(basefile,'.');  *idt = 0x00; // locate first dot
   }
   sprintf(filename,"%s/%s.ez.root",rootdir,basefile); 
-  sprintf(comment,"run:%05ld, time:%s ",run,ctime((time_t *)&runtime));
+  std::time_t utime = runtime;
+  sprintf(comment,"run:%05ld, time:%s ",run,ctime(&utime));
 
   file  = new TFile(filename,"RECREATE");
   tree  = new TTree("ezstar","A tree with FEE events");

StRoot/St_trg_Maker/year2003.cxx

@@ -101,8 +101,8 @@ void St_trg_Maker::Emc2003(St_dst_TrgDet *dst1) {
   //pp_dsm_to_patch[7] for after 01-Dec-2001, AA_dsm_to_patch[5] for before that date
   EventReader *er=fVictorPrelim->getEventReader();
   EventInfo info=er->getEventInfo();
-  unsigned int UnixTime=info.UnixTime;
-  struct tm *time=gmtime((time_t*) &UnixTime);
+  std::time_t utime = info.UnixTime;
+  std::tm *time = gmtime(&utime);
   int year=1900+time->tm_year;
   int month=1+time->tm_mon;
   int day=time->tm_mday;

StRoot/StarRoot/TUnixTime.cxx

@@ -8,9 +8,9 @@
  *
  ***************************************************************************
  **************************************************************************/
+#include <ctime>
 #include <stdio.h>
 #include <stdlib.h>
-#include <time.h>
 #include <assert.h>
 #include "TUnixTime.h"
 #include "TDatime.h"
@@ -111,30 +111,29 @@ void TUnixTime::SetLTime(Int_t idate, Int_t itime)
 //______________________________________________________________________________
 void TUnixTime::GetGTime(Int_t &idate, Int_t &itime)
 {
-  struct tm gt;
-  gt = *gmtime((time_t*)&fUTime);
-  tm2DateTime(idate,itime,&gt);
+  std::time_t utime = fUTime;
+  std::tm *gt = gmtime(&utime);
+  tm2DateTime(idate, itime, gt);
 
 }
 //______________________________________________________________________________
 void TUnixTime::GetLTime(Int_t &idate, Int_t &itime)
 {
-  struct tm gt;
-  gt = *localtime((time_t*)&fUTime);
-  tm2DateTime(idate,itime,&gt);
-
+  std::time_t utime = fUTime;
+  std::tm *gt = localtime(&utime);
+  tm2DateTime(idate, itime, gt);
 }
 //______________________________________________________________________________
 TString TUnixTime::GetLString()
 {
-  TString ts(ctime((time_t*)&fUTime));
-  return ts;
+  std::time_t utime = fUTime;
+  return TString(ctime(&utime));
 }  
 //______________________________________________________________________________
 TString TUnixTime::GetGString()
 {
-  TString ts(asctime(gmtime((time_t*)&fUTime)));
-  return ts;
+  std::time_t utime = fUTime;
+  return TString(asctime(gmtime(&utime)));
 }  
 //______________________________________________________________________________
 void TUnixTime::SetLTime(const TDatime &loc)