iCalendar/vCalendar time utilties

svn path=/trunk/; revision=81

1 files changed, 29 insertions, 0 deletions

diff --git a/calendar/timeutil.c b/calendar/timeutil.c
new file mode 100644
index 0000000000..2de1fa4b2b
--- /dev/null
+++ b/calendar/timeutil.c
@@ -0,0 +1,29 @@
+#include <glib.h>
+#include <time.h>
+
+#define digit_at(x,y) (x [y] - '0')
+	
+time_t
+time_from_isodate (char *str)
+{
+	struct tm my_tm;
+
+	my_tm.tm_year = digit_at (str, 0) * 1000 + digit_at (str, 1) * 100 +
+		digit_at (str, 2) * 10 + digit_at (str, 3);
+
+	my_tm.tm_mon  = digit_at (str, 4) * 10 + digit_at (str, 5);
+	my_tm.tm_mday = digit_at (str, 6) * 10 + digit_at (str, 7);
+	my_tm.tm_hour = digit_at (str, 9) * 10 + digit_at (str, 10);
+	my_tm.tm_min  = digit_at (str, 11) * 10 + digit_at (str, 12);
+	my_tm.tm_sec  = digit_at (str, 13) * 10 + digit_at (str, 14);
+	my_tm.tm_isdst = -1;
+	
+	return mktime (&my_tm);
+}
+
+time_t
+time_from_start_duration (time_t start, char *duration)
+{
+	printf ("Not yet implemented\n");
+	return 0;
+}