Add LocalTime::as_time_t().

2 files changed, 11 insertions, 0 deletions

diff --git a/src/local_time.cc b/src/local_time.cc
index f125b38f..d22e07a7 100644
--- a/src/local_time.cc
+++ b/src/local_time.cc
@@ -418,3 +418,13 @@ LocalTime::as_utc() const
 	return t;
 }
 
+
+time_t
+LocalTime::as_time_t() const
+{
+	DCP_ASSERT(_year >= 1970);
+
+	auto const since_epoch = boost::gregorian::date(_year, _month, _day) - boost::gregorian::date(1970, boost::gregorian::Jan, 1);
+	return ((((static_cast<time_t>(since_epoch.days()) * 24) + _hour) * 60) + _minute) * 60 + _second;
+}
+
diff --git a/src/local_time.h b/src/local_time.h
index c76b876c..a213d0cc 100644
--- a/src/local_time.h
+++ b/src/local_time.h
@@ -96,6 +96,7 @@ public:
 	 *  2013-01-05T18:06:59 or 2013-01-05T18:06:59.123
 	 */
 	std::string as_string(bool with_millisecond = false, bool with_timezone = true) const;
+	time_t as_time_t() const;
 
 	/** @return The date in the form YYYY-MM-DD */
 	std::string date () const;