Changed while statement for cdoStreamInqTimestep().

src/EcaEtccdi.cc

@@ -144,7 +144,7 @@ static void calculateOuterPeriod(Field &field, int MaxMonths, int recentYear, in
   if (cdoAssertFilesOnly() == false)
     cdoAbort("infile1 cannot be a pipe");
   const auto maxrecs = vlistNrecs(vlistID1);
-  CdiStreamID cdiStream = streamOpenRead(cdoGetStreamName(0));
+  auto cdiStream = streamOpenRead(cdoGetStreamName(0));
 
   const auto cdiVlistID = streamInqVlist(cdiStream);
   const auto cdiTaxisID = vlistInqTaxis(cdiVlistID);
@@ -152,14 +152,17 @@ static void calculateOuterPeriod(Field &field, int MaxMonths, int recentYear, in
   int tempdpy = 0;
   for ( int i = 0; i<MaxMonths; i++)
     tempdpm[i] = 0;
-  int year, month, day, tsID = 0, nrecs = 0, varID, levelID;
+  int year, month, day, tsID = 0, varID, levelID;
   bool lHasStarted = false;
 
   if (Options::cdoVerbose) cdoPrint("Start to process variables");
 
-  while ( ( nrecs = streamInqTimestep(cdiStream, tsID++) ) )
+  while (true)
     {
-      int64_t vdate = taxisInqVdate(cdiTaxisID);
+      const auto nrecs = streamInqTimestep(cdiStream, tsID++);
+      if (nrecs == 0) break;
+
+      auto vdate = taxisInqVdate(cdiTaxisID);
       cdiDecodeDate(vdate, &year, &month, &day);
       if ( !lHasStarted && year != recentYear )
         continue;
@@ -180,14 +183,13 @@ static void calculateOuterPeriod(Field &field, int MaxMonths, int recentYear, in
                 fieldFill(cei[loopmonth][0][0], 0.);
               }
         }
-      if ( year == endOfCalc && func2 == func_avg )
-        break;
+      if (year == endOfCalc && func2 == func_avg) break;
       tempdpy++;
       int dayoy = (month >= 1 && month <= 12) ? (month - 1) * 31 + day : 0;
       tempdpm[month-1]++;  
 
-      if ( func2 == func_sum )
-        dayoy = 1;
+      if ( func2 == func_sum ) dayoy = 1;
+
       for (int recID = 0; recID < nrecs; recID++)
         {
           streamInqRecord(cdiStream, &varID, &levelID);
@@ -217,7 +219,7 @@ static void calculateOuterPeriod(Field &field, int MaxMonths, int recentYear, in
   fieldFill(cei[0][0][0], 0.);
 
   if ( frequency == 8 )
-    for ( int loopmonth = 1; loopmonth < MaxMonths; loopmonth++)
+    for (int loopmonth = 1; loopmonth < MaxMonths; loopmonth++)
       {
         tempdpm[loopmonth] = 0;
         fieldFill(cei[loopmonth][0][0], 0.);
@@ -232,7 +234,6 @@ etccdi_op(ETCCDI_REQUEST *request)
   constexpr int MaxDays = 373;
   constexpr int MaxMonths = 12;
   int varID;
-  int nrecs;
   int levelID;
   size_t nmiss;
   int year, month, day, dayoy;
@@ -336,8 +337,11 @@ etccdi_op(ETCCDI_REQUEST *request)
 
   int tsID = 0;
 
-  while ((nrecs = cdoStreamInqTimestep(streamID2, tsID)))
+  while (true)
     {
+      const auto nrecs = cdoStreamInqTimestep(streamID2, tsID);
+      if (nrecs == 0) break;
+
       if (nrecs != cdoStreamInqTimestep(streamID3, tsID))
         cdoAbort("Number of records at time step %d of %s and %s differ!", tsID + 1, cdoGetStreamName(1),
                  cdoGetStreamName(2));
@@ -415,8 +419,11 @@ etccdi_op(ETCCDI_REQUEST *request)
   tsID = 0;
   bool lOnlyRefPeriod = true;
   int firstYear = 0, lastYear = 0;
-  while ( (nrecs = cdoStreamInqTimestep(streamID1, tsID++) ) )
+  while (true)
     {
+      const auto nrecs = cdoStreamInqTimestep(streamID1, tsID++);
+      if (nrecs == 0) break;
+
       vdate = taxisInqVdate(taxisID1);
       vtime = taxisInqVtime(taxisID1);
 
@@ -435,7 +442,7 @@ etccdi_op(ETCCDI_REQUEST *request)
           if (dayoy < 0 || dayoy >= MaxDays) cdoAbort("Day %d out of range!", dayoy);
           if (wdaysSrc[dayoy] || request->func2 == func_sum )
             {
-/* Variable independent ? */
+              /* Variable independent ? */
               wdaysRead[dayoy+(year-request->startboot)*(MaxDays-1)] = dayoy+(year-request->startboot)*(MaxDays-1);
               dpy[year-request->startboot]++;
               dpm[(year-request->startboot)*MaxMonths+(int)((dayoy-1)/31.)]++;

src/Ydayarith.cc

@@ -35,7 +35,6 @@ void *
 Ydayarith(void *process)
 {
   constexpr int MaxDays = 373;
-  int nrecs;
   int varID, levelID;
 
   cdoInitialize(process);
@@ -78,8 +77,11 @@ Ydayarith(void *process)
   FieldVector2D vars2[MaxDays];
 
   int tsID = 0;
-  while ((nrecs = cdoStreamInqTimestep(streamID2, tsID)))
+  while (true)
     {
+      const auto nrecs = cdoStreamInqTimestep(streamID2, tsID);
+      if (nrecs == 0) break;
+
       const auto vdate = taxisInqVdate(taxisID2);
       const auto dayoy = decodeDayOfYear(vdate);
       if (dayoy < 0 || dayoy >= MaxDays) cdoAbort("Day of year %d out of range (date=%d)!", dayoy, vdate);
@@ -99,8 +101,11 @@ Ydayarith(void *process)
     }
 
   tsID = 0;
-  while ((nrecs = cdoStreamInqTimestep(streamID1, tsID)))
+  while (true)
     {
+      const auto nrecs = cdoStreamInqTimestep(streamID1, tsID);
+      if (nrecs == 0) break;
+
       const auto vdate = taxisInqVdate(taxisID1);
       const auto dayoy = decodeDayOfYear(vdate);
       if (dayoy < 0 || dayoy >= MaxDays) cdoAbort("Day of year %d out of range (date=%d)!", dayoy, vdate);

src/Ydaypctl.cc

@@ -35,7 +35,6 @@ void *
 Ydaypctl(void *process)
 {
   constexpr int MaxDays = 373;
-  int nrecs;
   size_t nmiss;
   int64_t vdates1[MaxDays] = { 0 }, vdates2[MaxDays] = { 0 };
   int vtimes1[MaxDays] = { 0 };
@@ -87,8 +86,11 @@ Ydaypctl(void *process)
   field.resize(gridsizemax);
 
   int tsID = 0;
-  while ((nrecs = cdoStreamInqTimestep(streamID2, tsID)))
+  while (true)
     {
+      const auto nrecs = cdoStreamInqTimestep(streamID2, tsID);
+      if (nrecs == 0) break;
+
       if (nrecs != cdoStreamInqTimestep(streamID3, tsID))
         cdoAbort("Number of records at time step %d of %s and %s differ!", tsID + 1, cdoGetStreamName(1), cdoGetStreamName(2));
 
@@ -138,8 +140,11 @@ Ydaypctl(void *process)
     }
 
   tsID = 0;
-  while ((nrecs = cdoStreamInqTimestep(streamID1, tsID)))
+  while (true)
     {
+      const auto nrecs = cdoStreamInqTimestep(streamID1, tsID);
+      if (nrecs == 0) break;
+
       const auto vdate = taxisInqVdate(taxisID1);
       const auto vtime = taxisInqVtime(taxisID1);
 

src/Ydaystat.cc

@@ -91,7 +91,6 @@ void *
 Ydaystat(void *process)
 {
   constexpr int MaxDays = 373;
-  int nrecs;
   int dayoy_nsets[MaxDays] = { 0 };
   int64_t vdates[MaxDays] = { 0 };
   int vtimes[MaxDays] = { 0 };
@@ -139,8 +138,11 @@ Ydaystat(void *process)
 
   int tsID = 0;
   int otsID = 0;
-  while ((nrecs = cdoStreamInqTimestep(streamID1, tsID)))
+  while (true)
     {
+      const auto nrecs = cdoStreamInqTimestep(streamID1, tsID);
+      if (nrecs == 0) break;
+
       const auto vdate = taxisInqVdate(taxisID1);
       const auto vtime = taxisInqVtime(taxisID1);
 

src/Ydrunpctl.cc

@@ -38,7 +38,6 @@ void *
 Ydrunpctl(void *process)
 {
   constexpr int MaxDays = 373;
-  int nrecs;
   int its;
   size_t nmiss;
   int64_t vdates1[MaxDays] = { 0 }, vdates2[MaxDays] = { 0 };
@@ -117,8 +116,11 @@ Ydrunpctl(void *process)
 
   int tsID = 0;
   int startYear = 0, endYear = 0, mon = 0, day = 0;
-  while ((nrecs = cdoStreamInqTimestep(streamID2, tsID)))
+  while (true)
     {
+      const auto nrecs = cdoStreamInqTimestep(streamID2, tsID);
+      if (nrecs == 0) break;
+
       if (nrecs != cdoStreamInqTimestep(streamID3, tsID))
         cdoAbort("Number of records at time step %d of %s and %s differ!", tsID + 1, cdoGetStreamName(1), cdoGetStreamName(2));
 
@@ -170,7 +172,7 @@ Ydrunpctl(void *process)
 
   for (tsID = 0; tsID < ndates; tsID++)
     {
-      nrecs = cdoStreamInqTimestep(streamID1, tsID);
+      const auto nrecs = cdoStreamInqTimestep(streamID1, tsID);
       if (nrecs == 0) cdoAbort("File has less then %d timesteps!", ndates);
 
       datetime[tsID].date = taxisInqVdate(taxisID1);
@@ -226,7 +228,7 @@ Ydrunpctl(void *process)
           vars1[inp] = vars1[inp + 1];
         }
 
-      nrecs = cdoStreamInqTimestep(streamID1, tsID);
+      const auto nrecs = cdoStreamInqTimestep(streamID1, tsID);
       if (nrecs == 0) break;
 
       datetime[ndates - 1].date = taxisInqVdate(taxisID1);
@@ -254,10 +256,10 @@ Ydrunpctl(void *process)
       int missTimes = 0;
       for ( missTimes = 0; missTimes < ndates-1; missTimes++ )
         {
-          int year;
-	  nrecs = streamInqTimestep(cdiStream, missTimes);
+	  const auto nrecs = streamInqTimestep(cdiStream, missTimes);
           if (nrecs == 0) break;
 
+          int year;
           cdiDecodeDate(taxisInqVdate(cdiTaxisID), &year, &mon, &day);
           datetime[ndates - 1].date = cdiEncodeDate(endYear+1, mon, day);
           datetime[ndates - 1].time = taxisInqVtime(cdiTaxisID);

src/Yeararith.cc

@@ -56,7 +56,6 @@ addOperators(void)
 void *
 Yeararith(void *process)
 {
-  int nrecs;
   int varID, levelID;
 
   cdoInitialize(process);
@@ -101,15 +100,20 @@ Yeararith(void *process)
   int year2last = 0;
   int tsID2 = 0;
   int tsID = 0;
-  while ((nrecs = cdoStreamInqTimestep(streamID1, tsID)))
+  while (true)
     {
+      const auto nrecs = cdoStreamInqTimestep(streamID1, tsID);
+      if (nrecs == 0) break;
+
       const auto year = getYear(taxisInqVdate(taxisID1));
       if (year > year0)
         {
           bool lfound = false;
-          int nrecs2;
-          while ((nrecs2 = cdoStreamInqTimestep(streamID2, tsID2)))
+          while (true)
             {
+              const auto nrecs2 = cdoStreamInqTimestep(streamID2, tsID2);
+              if (nrecs2 == 0) break;
+
               tsID2++;
               const auto year2 = getYear(taxisInqVdate(taxisID2));
               if (year == year2)

src/Yearmonstat.cc

@@ -38,7 +38,6 @@ Yearmonstat(void *process)
   TimeStat timestat_date = TimeStat::MEAN;
   int64_t vdate0 = 0;
   int vtime0 = 0;
-  int nrecs;
   int year0 = 0, month0 = 0;
   int year, month, day;
 
@@ -93,10 +92,14 @@ Yearmonstat(void *process)
   int otsID = 0;
   while (true)
     {
+      int nrecs = 0;
       long nsets = 0;
-      double dsets = 0;
-      while ((nrecs = cdoStreamInqTimestep(streamID1, tsID)))
+      double dsets = 0.0;
+      while (true)
         {
+          nrecs = cdoStreamInqTimestep(streamID1, tsID);
+          if (nrecs == 0) break;
+
           dtlist.taxisInqTimestep(taxisID1, nsets);
           const auto vdate = dtlist.getVdate(nsets);
           const auto vtime = dtlist.getVtime(nsets);
@@ -113,7 +116,7 @@ Yearmonstat(void *process)
               cdoAbort("Month does not change!");
             }
 
-          const int dpm = days_per_month(calendar, year, month);
+          const auto dpm = days_per_month(calendar, year, month);
 
           for (int recID = 0; recID < nrecs; recID++)
             {

src/Yhourarith.cc

@@ -48,7 +48,6 @@ getHourOfYearIndex(int64_t vdate, int vtime)
 void *
 Yhourarith(void *process)
 {
-  int nrecs;
   int varID, levelID;
 
   cdoInitialize(process);
@@ -91,8 +90,11 @@ Yhourarith(void *process)
   FieldVector2D vars2[MaxHours];
 
   int tsID = 0;
-  while ((nrecs = cdoStreamInqTimestep(streamID2, tsID)))
+  while (true)
     {
+      const auto nrecs = cdoStreamInqTimestep(streamID2, tsID);
+      if (nrecs == 0) break;
+
       const auto houroy = getHourOfYearIndex(taxisInqVdate(taxisID2), taxisInqVtime(taxisID2));
       if (vars2[houroy].size() > 0) cdoAbort("Hour of year index %d already allocated!", houroy);
 
@@ -110,8 +112,11 @@ Yhourarith(void *process)
     }
 
   tsID = 0;
-  while ((nrecs = cdoStreamInqTimestep(streamID1, tsID)))
+  while (true)
     {
+      const auto nrecs = cdoStreamInqTimestep(streamID1, tsID);
+      if (nrecs == 0) break;
+
       const auto houroy = getHourOfYearIndex(taxisInqVdate(taxisID1), taxisInqVtime(taxisID1));
       if (vars2[houroy].size() == 0) cdoAbort("Hour of year index %d not found!", houroy);
 

src/Yhourstat.cc

@@ -81,7 +81,6 @@ void *
 Yhourstat(void *process)
 {
   TimeStat timestat_date = TimeStat::LAST;
-  int nrecs;
 
   cdoInitialize(process);
 
@@ -137,8 +136,11 @@ Yhourstat(void *process)
 
   int tsID = 0;
   int otsID = 0;
-  while ((nrecs = cdoStreamInqTimestep(streamID1, tsID)))
+  while (true)
     {
+      const auto nrecs = cdoStreamInqTimestep(streamID1, tsID);
+      if (nrecs == 0) break;
+
       const auto vdate = taxisInqVdate(taxisID1);
       const auto vtime = taxisInqVtime(taxisID1);
 
@@ -240,7 +242,7 @@ Yhourstat(void *process)
   for (int hourot = 0; hourot < MaxHours; ++hourot)
     if (hourot_nsets[hourot])
       {
-        const int nsets = hourot_nsets[hourot];
+        const auto nsets = hourot_nsets[hourot];
         for (int recID = 0; recID < maxrecs; recID++)
           {
             if (recList[recID].lconst) continue;

src/Ymonarith.cc

@@ -92,7 +92,6 @@ addOperators(void)
 void *
 Ymonarith(void *process)
 {
-  int nrecs;
   int varID, levelID;
   const char *seas_names[4];
 
@@ -136,9 +135,12 @@ Ymonarith(void *process)
   FieldVector2D vars2[MaxMonths];
 
   int tsID = 0;
-  while ((nrecs = cdoStreamInqTimestep(streamID2, tsID)))
+  while (true)
     {
-      int mon = getMonthIndex(taxisInqVdate(taxisID2));
+      const auto nrecs = cdoStreamInqTimestep(streamID2, tsID);
+      if (nrecs == 0) break;
+
+      auto mon = getMonthIndex(taxisInqVdate(taxisID2));
       if (opertype == SEASONAL) mon = monthToSeason(mon + 1);
       if (vars2[mon].size()) alreadyAllocated(opertype == SEASONAL, mon, seas_names);
 
@@ -156,8 +158,11 @@ Ymonarith(void *process)
     }
 
   tsID = 0;
-  while ((nrecs = cdoStreamInqTimestep(streamID1, tsID)))
+  while (true)
     {
+      const auto nrecs = cdoStreamInqTimestep(streamID1, tsID);
+      if (nrecs == 0) break;
+
       auto mon = getMonthIndex(taxisInqVdate(taxisID1));
       if (opertype == SEASONAL) mon = monthToSeason(mon + 1);
       if (vars2[mon].size() == 0) notFound(opertype == SEASONAL, mon, seas_names);

src/Ymonpctl.cc

@@ -36,7 +36,6 @@ Ymonpctl(void *process)
 {
   constexpr int MaxMonths = 17;
   size_t nmiss;
-  int nrecs;
   int64_t vdates1[MaxMonths] = { 0 }, vdates2[MaxMonths] = { 0 };
   int vtimes1[MaxMonths] = { 0 };
   long nsets[MaxMonths] = { 0 };
@@ -87,8 +86,11 @@ Ymonpctl(void *process)
   field.resize(gridsizemax);
 
   int tsID = 0;
-  while ((nrecs = cdoStreamInqTimestep(streamID2, tsID)))
+  while (true)
     {
+      const auto nrecs = cdoStreamInqTimestep(streamID2, tsID);
+      if (nrecs == 0) break;
+
       if (nrecs != cdoStreamInqTimestep(streamID3, tsID))
         cdoAbort("Number of records at time step %d of %s and %s differ!", tsID + 1, cdoGetStreamName(1), cdoGetStreamName(2));
 
@@ -138,8 +140,11 @@ Ymonpctl(void *process)
     }
 
   tsID = 0;
-  while ((nrecs = cdoStreamInqTimestep(streamID1, tsID)))
+  while (true)
     {
+      const auto nrecs = cdoStreamInqTimestep(streamID1, tsID);
+      if (nrecs == 0) break;
+
       const auto vdate = taxisInqVdate(taxisID1);
       const auto vtime = taxisInqVtime(taxisID1);
 

src/Yseaspctl.cc

@@ -36,7 +36,6 @@ void *
 Yseaspctl(void *process)
 {
   constexpr int MaxSeasons = 4;
-  int nrecs;
   size_t nmiss;
   long nsets[MaxSeasons] = { 0 };
   CdoDateTime datetime1[MaxSeasons], datetime2[MaxSeasons];
@@ -87,8 +86,11 @@ Yseaspctl(void *process)
   field.resize(gridsizemax);
 
   int tsID = 0;
-  while ((nrecs = cdoStreamInqTimestep(streamID2, tsID)))
+  while (true)
     {
+      const auto nrecs = cdoStreamInqTimestep(streamID2, tsID);
+      if (nrecs == 0) break;
+
       if (nrecs != cdoStreamInqTimestep(streamID3, tsID))
         cdoAbort("Number of records at time step %d of %s and %s differ!", tsID + 1, cdoGetStreamName(1), cdoGetStreamName(2));
 
@@ -137,8 +139,11 @@ Yseaspctl(void *process)
     }
 
   tsID = 0;
-  while ((nrecs = cdoStreamInqTimestep(streamID1, tsID)))
+  while (true)
     {
+      const auto nrecs = cdoStreamInqTimestep(streamID1, tsID);
+      if (nrecs == 0) break;
+
       const auto vdate = taxisInqVdate(taxisID1);
       const auto vtime = taxisInqVtime(taxisID1);
 

src/Yseasstat.cc

@@ -58,7 +58,6 @@ void *
 Yseasstat(void *process)
 {
   constexpr int MaxSeasons = 4;
-  int nrecs;
   int seas_nsets[MaxSeasons] = { 0 };
   CdoDateTime datetime[MaxSeasons];
   FieldVector2D vars1[MaxSeasons], vars2[MaxSeasons], samp1[MaxSeasons];
@@ -102,8 +101,11 @@ Yseasstat(void *process)
 
   int tsID = 0;
   int otsID = 0;
-  while ((nrecs = cdoStreamInqTimestep(streamID1, tsID)))
+  while (true)
     {
+      const auto nrecs = cdoStreamInqTimestep(streamID1, tsID);
+      if (nrecs == 0) break;
+
       const auto vdate = taxisInqVdate(taxisID1);
       const auto vtime = taxisInqVtime(taxisID1);
 

src/Zonstat.cc

@@ -66,7 +66,6 @@ Zonstat(void *process)
   int gridID1 = -1, gridID2 = -1;
   int zongridID = -1;
   int index;
-  int nrecs;
   int varID, levelID;
 
   cdoInitialize(process);
@@ -76,7 +75,7 @@ Zonstat(void *process)
   const auto operatorID = cdoOperatorID();
   const auto operfunc = cdoOperatorF1(operatorID);
 
-  double pn = 0;
+  double pn = 0.0;
   if (operfunc == func_pctl)
     {
       operatorInputArg("percentile number");
@@ -165,8 +164,11 @@ Zonstat(void *process)
   field2.grid = gridID2;
 
   int tsID = 0;
-  while ((nrecs = cdoStreamInqTimestep(streamID1, tsID)))
+  while (true)
     {
+      const auto nrecs = cdoStreamInqTimestep(streamID1, tsID);
+      if (nrecs == 0) break;
+
       taxisCopyTimestep(taxisID2, taxisID1);
       cdoDefTimestep(streamID2, tsID);
 

src/cdo_read.cc

@@ -56,10 +56,12 @@ cdo_read_timestepmask(const char *maskfile, std::vector<bool> &imask)
   n = nts;
   imask.resize(nts);
 
-  int nrecs;
   int tsID = 0;
-  while ((nrecs = streamInqTimestep(streamID, tsID)))
+  while (true)
     {
+      auto nrecs = streamInqTimestep(streamID, tsID);
+      if (nrecs == 0) break;
+
       if (nrecs != 1) cdoAbort("Internal error; unexprected number of records!");
 
       int varID, levelID;

src/ecacore.cc

@@ -45,11 +45,9 @@ eca1(const ECA_REQUEST_1 *request)
   char indate1[DATE_LEN + 1], indate2[DATE_LEN + 1];
   int64_t ivdate = 0, ovdate = 0, indate21 = 0;
   int ivtime = 0, ovtime = 0;
-  int nrecs;
   int levelID;
   int itsID;
   int otsID;
-  long nsets;
 
   const auto cmplen = DATE_LEN - cdoOperatorF2(operatorID);
 
@@ -148,9 +146,13 @@ eca1(const ECA_REQUEST_1 *request)
   otsID = 0;
   while (true)
     {
-      nsets = 0;
-      while ((nrecs = cdoStreamInqTimestep(istreamID, itsID)) > 0)
+      int nrecs = 0;
+      long nsets = 0;
+      while (true)
         {
+          nrecs = cdoStreamInqTimestep(istreamID, itsID);
+          if (nrecs == 0) break;
+
           ivdate = taxisInqVdate(itaxisID);
           ivtime = taxisInqVtime(itaxisID);
 
@@ -368,11 +370,9 @@ eca2(const ECA_REQUEST_2 *request)
   char indate1[DATE_LEN + 1], indate2[DATE_LEN + 1];
   int64_t ivdate = 0, ovdate = 0, indate21 = 0;
   int ivtime = 0, ovtime = 0;
-  int nrecs;
   int varID, levelID;
   int itsID;
   int otsID;
-  long nsets;
 
   const auto cmplen = DATE_LEN - cdoOperatorF2(operatorID);
 
@@ -478,8 +478,11 @@ eca2(const ECA_REQUEST_2 *request)
         }
     }
   itsID = 0;
-  while ((nrecs = cdoStreamInqTimestep(istreamID2, itsID)))
+  while (true)
     {
+      const auto nrecs = cdoStreamInqTimestep(istreamID2, itsID);
+      if (nrecs == 0) break;
+
       ivdate = taxisInqVdate(vlistInqTaxis(ivlistID2));
 
       const auto dayoy = decodeDayOfYear(ivdate);
@@ -505,9 +508,13 @@ eca2(const ECA_REQUEST_2 *request)
   otsID = 0;
   while (true)
     {
-      nsets = 0;
-      while ((nrecs = cdoStreamInqTimestep(istreamID1, itsID)) > 0)
+      int nrecs = 0;
+      long nsets = 0;
+      while (true)
         {
+          nrecs = cdoStreamInqTimestep(istreamID1, itsID);
+          if (nrecs == 0) break;
+
           ivdate = taxisInqVdate(itaxisID1);
           ivtime = taxisInqVtime(itaxisID1);
 
@@ -733,11 +740,9 @@ eca3(const ECA_REQUEST_3 *request)
   int ivtime1 = 0, ivtime2 = 0;
   int64_t ovdate = 0;
   int ovtime = 0;
-  int nrecs;
   int varID, levelID;
   int itsID;
   int otsID;
-  long nsets;
 
   const auto cmplen = DATE_LEN - cdoOperatorF2(operatorID);
 
@@ -803,9 +808,13 @@ eca3(const ECA_REQUEST_3 *request)