X-Git-Url: http://pileus.org/git/?p=lackey;a=blobdiff_plain;f=src%2Fcal.c;h=a05dd1feefe0d69868a934a51ab30538868f09ab;hp=8d039a607fceda288f58837826b044ad944a01f9;hb=bfc415555da3be7f94738b3ac62c511a53b78674;hpb=c24658fbe686f3cca37a9e9cb07c82cfcaefb8c5

diff --git a/src/cal.c b/src/cal.c
index 8d039a6..a05dd1f 100644
--- a/src/cal.c
+++ b/src/cal.c
@@ -33,9 +33,9 @@ CAL(dummy);
 CAL(ical);
 
 /* Global data */
-cal_t   *CALS;
-event_t *EVENTS;
-todo_t  *TODOS;
+cal_t   *CAL,   *CALS;
+event_t *EVENT, *EVENTS;
+todo_t  *TODO,  *TODOS;
 
 /* Local data */
 static date_t start;
@@ -48,6 +48,7 @@ static void add_event(event_t **first, event_t **last, event_t **next)
 		(*last)->next = *next;
 	else
 		(*first) = *next;
+	(*next)->prev = *last;
 	(*last) = (*next);
 	(*next) = (*next)->next;
 }
@@ -58,6 +59,7 @@ static void add_todo(todo_t **first, todo_t **last, todo_t **next)
 		(*last)->next = *next;
 	else
 		(*first) = *next;
+	(*next)->prev = *last;
 	(*last) = (*next);
 	(*next) = (*next)->next;
 }
@@ -109,9 +111,10 @@ void cal_init(void)
 		 ical_cals());
 
 	/* Load data */
-	cal_load(YEAR, MONTH, DAY, 1);
+	cal_load(SEL.year, SEL.month, SEL.day, 1);
 
 	/* Debug */
+#ifdef DEBUG_CALS
 	for (event_t *e = EVENTS; e; e = e->next)
 		debug("event: %04d-%02d-%02d %02d:%02d: %s - %s",
 				e->start.year, e->start.month, e->start.day,
@@ -120,6 +123,7 @@ void cal_init(void)
 		debug("todo: %04d-%02d-%02d %02d:%02d: %s - %s",
 				e->start.year, e->start.month, e->start.day,
 				e->start.hour, e->start.min, e->name, e->desc);
+#endif
 }
 
 /* Load events and todos */
@@ -169,6 +173,23 @@ void cal_load(year_t year, month_t month, day_t day, int days)
 		dummy_todos(start, end),
 		 ical_todos(start, end));
 
+	/* Verify events and todos*/
+#ifdef DEBUG_CALS
+	for (event_t *cur = EVENTS; cur; cur = cur->next) {
+		if (!cur->cal)
+			error("Missing cal in event '%s'", cur->name);
+		if ((cur->next && cur->next->prev != cur) ||
+		    (cur->prev && cur->prev->next != cur))
+			error("Broken link in event '%s'", cur->name);
+	}
+	for (todo_t *cur = TODOS; cur; cur = cur->next) {
+		if (!cur->cal)
+			error("Missing cal in todo '%s'", cur->name);
+		if ((cur->next && cur->next->prev != cur) ||
+		    (cur->prev && cur->prev->next != cur))
+			error("Broken link in todo '%s'", cur->name);
+	}
+#endif
 }
 
 /* Config parser */
@@ -179,3 +200,33 @@ void cal_config(const char *group, const char *name, const char *key, const char
 	else if (match(group, "ical"))
 		ical_config(group, name, key, value);
 }
+
+/* Find event for matching target date */
+event_t *find_event(date_t *target)
+{
+	int      min   = 0;
+	event_t *event = NULL;
+
+	if (EVENT && compare(&EVENT->start, target) == 0)
+		return EVENT;
+
+	for (event_t *cur = EVENTS; cur; cur = cur->next) {
+		// Skip events that are on the wrong day
+		if ((target->year  != cur->start.year) ||
+		    (target->month != cur->start.month) ||
+		    (target->day   != cur->start.day))
+		    	continue;
+
+		// We don't want time change or leap seconds here
+		int diff = (target->hour - cur->start.hour) * 60 * 24 +
+			   (target->min  - cur->start.min)  * 60 +
+			   (target->sec  - cur->start.sec);
+
+		if (event == NULL || ABS(diff) < min) {
+			min   = ABS(diff);
+			event = cur;
+		}
+	}
+
+	return event;
+}