From: David Levine <levinedl@acm.org>
Date: Thu, 19 Nov 2015 20:27:49 +0000 (-0500)
Subject: Allow a RRULE in an iCalendar request to not have an INTERVAL on its
X-Git-Url: https://diplodocus.org/git/nmh/commitdiff_plain/82538114a7761232df236f489e2d59f6e91cde8c?ds=sidebyside;hp=68bb948f6c1484de72e07f315b9dd1694037acfd

Allow a RRULE in an iCalendar request to not have an INTERVAL on its
yearly FREQ, because INTERVAL defaults to 1.
---

diff --git a/sbr/datetime.c b/sbr/datetime.c
index 34287b23..4e155855 100644
--- a/sbr/datetime.c
+++ b/sbr/datetime.c
@@ -262,7 +262,8 @@ rrule_clock (const char *rrule, const char *starttime, const char *zone,
              unsigned int year) {
     time_t clock = 0;
 
-    if (nmh_strcasestr (rrule, "FREQ=YEARLY;INTERVAL=1")) {
+    if (nmh_strcasestr (rrule, "FREQ=YEARLY;INTERVAL=1")  ||
+        (nmh_strcasestr (rrule, "FREQ=YEARLY")  &&  nmh_strcasestr(rrule, "INTERVAL") == NULL)) {
         struct tws *tws;
         const char *cp;
         int wday = -1, month = -1;