From 04662cb9799a1190b18da71ed793f063fbf22f59 Mon Sep 17 00:00:00 2001
From: tsteven4 <tsteven4@gmail.com>
Date: Sun, 18 Aug 2013 23:34:32 +0000
Subject: [PATCH] tweak datetime operator overload.

---
 gpsbabel/gopal.cc            | 1 -
 gpsbabel/src/core/datetime.h | 9 ++++++---
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/gpsbabel/gopal.cc b/gpsbabel/gopal.cc
index 238817b12..a0bd6522c 100644
--- a/gpsbabel/gopal.cc
+++ b/gpsbabel/gopal.cc
@@ -295,7 +295,6 @@ gopal_read(void)
           fatal("Bad date '%s'.\n", c);
         }
         wpt->creation_time += mkgmtime(&tm2);
-        wpt->creation_time = wpt->creation_time.addMSecs(millisecs);
         break;
       case 10:  // Unknown.  Ignored.
       case 11:  // Bearing.  Ignored.
diff --git a/gpsbabel/src/core/datetime.h b/gpsbabel/src/core/datetime.h
index 2ffd7c052..c2d8fdb98 100644
--- a/gpsbabel/src/core/datetime.h
+++ b/gpsbabel/src/core/datetime.h
@@ -46,9 +46,12 @@ public:
   DateTime(QDateTime dt) : QDateTime(dt) {}
 
   // TODO: this should go away in favor of .addSecs().
-  time_t operator+=(const time_t& t) {
-    setTime_t(toTime_t() + t);
-    return toTime_t();
+  // add time_t without losing any existing milliseconds.
+  DateTime& operator+=(const time_t& t) {
+    QDateTime dt = addSecs(t);
+    setDate(dt.date());
+    setTime(dt.time());
+    return *this;
   }
 
   // Integer form: YYMMDD
-- 
2.30.2