From cd124ecf6a9e2d27c69be4563099dbdf1cfe6dad Mon Sep 17 00:00:00 2001
From: hyung-hwan <hyunghwan.chung@gmail.com>
Date: Thu, 24 Nov 2011 07:48:11 +0000
Subject: [PATCH] added qse_ntprd_t

---
 qse/include/qse/cmn/time.h | 8 +++++++-
 qse/lib/cmn/time.c         | 8 ++++----
 2 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/qse/include/qse/cmn/time.h b/qse/include/qse/cmn/time.h
index 8083c675..8c359a96 100644
--- a/qse/include/qse/cmn/time.h
+++ b/qse/include/qse/cmn/time.h
@@ -69,6 +69,12 @@
  */
 typedef qse_long_t qse_ntime_t;
 
+/**
+ * The qse_ntprd_t type represents a time period between two time points.
+ * This is period is defined to be unsigned since a time point is signed.
+ */
+typedef qse_ulong_t qse_ntprd_t;
+
 /**
  * The qse_ntoff_t type represents the amount of increment or decrement
  * from a certain time point. It is defined to be type-compatible with
@@ -90,7 +96,7 @@ struct qse_btime_t
 	int year; /* the number of years since QSE_BTIME_YEAR_BASE */
 	int wday; /* 0(sun)-6(sat) */
 	int yday; /* 0(jan 1) to 365 */
-	int isdst;
+	int isdst; /* -1(unknown), 0(not in effect), 1 (in effect) */
 	/*int offset;*/
 };
 
diff --git a/qse/lib/cmn/time.c b/qse/lib/cmn/time.c
index d0e693fe..2a2d0f52 100644
--- a/qse/lib/cmn/time.c
+++ b/qse/lib/cmn/time.c
@@ -116,7 +116,7 @@ int qse_gettime (qse_ntime_t* t)
 	bt.min = dt.minutes;
 	bt.sec = dt.seconds;
 	bt.msec = dt.hundredths * 10;
-	bt.isdst = -1;
+	bt.isdst = -1; /* determine dst for me */
 
 	if (qse_timelocal (&bt, t) <= -1) return -1;
 	return 0;
@@ -137,7 +137,7 @@ int qse_gettime (qse_ntime_t* t)
 	bt.min = dt.minute;
 	bt.sec = dt.second;
 	bt.msec = dt.hsecond * 10;
-	bt.isdst = -1;
+	bt.isdst = -1; /* determine dst for me */
 
 	if (qse_timelocal (&bt, t) <= -1) return -1;
 	return 0;
@@ -231,7 +231,7 @@ int qse_settime (qse_ntime_t t)
 #endif
 }
 
-static void breakdown_time (qse_ntime_t nt, qse_btime_t* bt, qse_ntime_t offset)
+static void breakdown_time (qse_ntime_t nt, qse_btime_t* bt, qse_ntoff_t offset)
 {
 	int midx;
 	qse_ntime_t days; /* total days */
@@ -295,7 +295,7 @@ static void breakdown_time (qse_ntime_t nt, qse_btime_t* bt, qse_ntime_t offset)
 	}
 
 	bt->mday = days + 1;
-	bt->isdst = 0;
+	bt->isdst = 0; /* TODO: this may vary depeding on offset and time */
 	/*bt->offset = offset;*/
 }