New function that compares only the dates, not the times as well

2000-09-08  JP Rosevear  <jpr@helixcode.com>

	* src/libical/icaltime.c (icaltime_compare_date_only): New
	function that compares only the dates, not the times as well

	* src/libical/icaltime.h: Add prototype

svn path=/trunk/; revision=5260

3 files changed, 25 insertions, 0 deletions

diff --git a/libical/ChangeLog b/libical/ChangeLog
index 1fec1bcc29..b256f7641a 100644
--- a/libical/ChangeLog
+++ b/libical/ChangeLog
@@ -1,3 +1,10 @@
+2000-09-08  JP Rosevear  <jpr@helixcode.com>
+
+	* src/libical/icaltime.c (icaltime_compare_date_only): New
+	function that compares only the dates, not the times as well
+
+	* src/libical/icaltime.h: Add prototype
+
 2000-09-01  JP Rosevear  <jpr@helixcode.com>
 
 	* configure.in: We don't need AC_PROG_RANLIB and
diff --git a/libical/src/libical/icaltime.c b/libical/src/libical/icaltime.c
index 6f17278bde..6d651922d5 100644
--- a/libical/src/libical/icaltime.c
+++ b/libical/src/libical/icaltime.c
@@ -180,3 +180,20 @@ int icaltime_compare(struct icaltimetype a,struct icaltimetype b)
     }
 
 }
+
+int icaltime_compare_date_only(struct icaltimetype a, struct icaltimetype b)
+{
+    time_t t1 = icaltime_as_timet(a);
+    time_t t2 = icaltime_as_timet(b);
+
+    if (a.year == b.year && a.month == b.month && a.day == b.day) {
+        return 0;
+    }
+
+    if (t1 > t2) { 
+	return 1; 
+    } else if (t1 < t2) { 
+	return -1;
+    }
+}
+
diff --git a/libical/src/libical/icaltime.h b/libical/src/libical/icaltime.h
index 64eaee0431..6c5b653c23 100644
--- a/libical/src/libical/icaltime.h
+++ b/libical/src/libical/icaltime.h
@@ -65,6 +65,7 @@ short icaltime_week_number(short day_of_month, short month, short year);
 struct icaltimetype icaltime_from_week_number(short week_number, short year);
 
 int icaltime_compare(struct icaltimetype a,struct icaltimetype b);
+int icaltime_compare_date_only(struct icaltimetype a, struct icaltimetype b);
 
 short icaltime_days_in_month(short month,short year);