1 files changed, 60 insertions, 0 deletions

diff --git a/libical/src/libical/icalduration.h b/libical/src/libical/icalduration.h
new file mode 100644
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--- a/dev/null
+++ b/libical/src/libical/icalduration.h
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+/* -*- Mode: C -*- */
+/*======================================================================
+ FILE: icalduration.h
+ CREATOR: eric 26 Jan 2001
+
+
+ $Id$
+ $Locker$
+
+ (C) COPYRIGHT 2000, Eric Busboom, http://www.softwarestudio.org
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of either: 
+
+    The LGPL as published by the Free Software Foundation, version
+    2.1, available at: http://www.fsf.org/copyleft/lesser.html
+
+  Or:
+
+    The Mozilla Public License Version 1.0. You may obtain a copy of
+    the License at http://www.mozilla.org/MPL/
+
+ The Original Code is eric. The Initial Developer of the Original
+ Code is Eric Busboom
+
+
+======================================================================*/
+
+#ifndef ICALDURATION_H
+#define ICALDURATION_H
+
+#include "icaltime.h"
+
+struct icaldurationtype
+{
+        int is_neg;
+        unsigned int days;
+        unsigned int weeks;
+        unsigned int hours;
+        unsigned int minutes;
+        unsigned int seconds;
+};
+
+struct icaldurationtype icaldurationtype_from_int(int t);
+struct icaldurationtype icaldurationtype_from_string(const char*);
+int icaldurationtype_as_int(struct icaldurationtype duration);
+char* icaldurationtype_as_ical_string(struct icaldurationtype d);
+struct icaldurationtype icaldurationtype_null_duration();
+int icaldurationtype_is_null_duration(struct icaldurationtype d);
+
+struct icaltimetype  icaltime_add(struct icaltimetype t,
+                                  struct icaldurationtype  d);
+
+struct icaldurationtype  icaltime_subtract(struct icaltimetype t1,
+                                           struct icaltimetype t2);
+
+#endif /* !ICALDURATION_H */
+
+
+