Duration: Support duration values of 70y and longer

Author: tbabej

src/Duration.cpp

@@ -324,7 +324,7 @@ bool Duration::parse_units (Pig& pig)
         if (durations[i].unit == unit &&
             durations[i].standalone)
         {
-          _period = static_cast <int> (durations[i].seconds);
+          _period = static_cast <time_t> (durations[i].seconds);
           return true;
         }
       }
@@ -370,7 +370,7 @@ bool Duration::parse_units (Pig& pig)
           if (durations[i].unit == unit)
           {
             seconds = durations[i].seconds;
-            _period = static_cast <int> (number * static_cast <double> (seconds));
+            _period = static_cast <time_t> (number * static_cast <double> (seconds));
             return true;
           }
         }
@@ -526,7 +526,7 @@ int Duration::minutes () const
 }
 
 ////////////////////////////////////////////////////////////////////////////////
-int Duration::seconds () const
+time_t Duration::seconds () const
 {
   return _period;
 }

src/Duration.h

@@ -58,22 +58,22 @@ class Duration
   int days () const;
   int hours () const;
   int minutes () const;
-  int seconds () const;
+  time_t seconds () const;
 
 private:
   void clear ();
   void resolve ();
   std::string dump () const;
 
 public:
-  int _year      {0};
-  int _month     {0};
-  int _weeks     {0};
-  int _day       {0};
-  int _hours     {0};
-  int _minutes   {0};
-  int _seconds   {0};
-  time_t _period {0};
+  int _year       {0};
+  int _month      {0};
+  int _weeks      {0};
+  int _day        {0};
+  int _hours      {0};
+  int _minutes    {0};
+  time_t _seconds {0};
+  time_t _period  {0};
 };
 
 #endif

test/duration.t.cpp

@@ -39,7 +39,7 @@ void testParse (
   int in_day,
   int in_hours,
   int in_minutes,
-  int in_seconds,
+  time_t in_seconds,
   time_t in_period,
   const std::string& output,
   const std::string& hours,