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-rwxr-xr-xsrc/day.c67
1 files changed, 66 insertions, 1 deletions
diff --git a/src/day.c b/src/day.c
index d936372..f8a1532 100755
--- a/src/day.c
+++ b/src/day.c
@@ -1,4 +1,4 @@
-/* $calcurse: day.c,v 1.50 2009/07/12 16:22:00 culot Exp $ */
+/* $calcurse: day.c,v 1.51 2009/10/08 16:28:06 culot Exp $ */
/*
* Calcurse - text-based organizer
@@ -520,6 +520,71 @@ day_check_if_item (date_t day)
return (0);
}
+static unsigned
+fill_slices (int *slices, int slicesno, int first, int last)
+{
+ int i;
+
+ if (first < 0 || last < first)
+ return 0;
+
+ if (last >= slicesno)
+ last = slicesno - 1; /* Appointment spanning more than one day. */
+
+ for (i = first; i <= last; i++)
+ slices[i] = 1;
+
+ return 1;
+}
+
+/*
+ * Fill in the 'slices' vector given as an argument with 1 if there is an
+ * appointment in the corresponding time slice, 0 otherwise.
+ * A 24 hours day is divided into 'slicesno' number of time slices.
+ */
+unsigned
+day_chk_busy_slices (date_t day, int slicesno, int *slices)
+{
+ recur_apoint_llist_node_t *ra;
+ apoint_llist_node_t *a;
+ int slicelen;
+ const long date = date2sec (day, 0, 0);
+
+ slicelen = DAYINSEC / slicesno;
+
+#define SLICENUM(tsec) ((tsec) / slicelen % slicesno)
+
+ pthread_mutex_lock (&(recur_alist_p->mutex));
+ for (ra = recur_alist_p->root; ra != 0; ra = ra->next)
+ if (recur_item_inday (ra->start, ra->exc, ra->rpt->type,
+ ra->rpt->freq, ra->rpt->until, date))
+ {
+ if (!fill_slices (slices, slicesno, SLICENUM (ra->start),
+ SLICENUM (ra->start + ra->dur)))
+ {
+ pthread_mutex_unlock (&(recur_alist_p->mutex));
+ return 0;
+ }
+ }
+ pthread_mutex_unlock (&(recur_alist_p->mutex));
+
+ pthread_mutex_lock (&(alist_p->mutex));
+ for (a = alist_p->root; a != 0; a = a->next)
+ if (apoint_inday (a, date))
+ {
+ if (!fill_slices (slices, slicesno, SLICENUM (a->start),
+ SLICENUM (a->start + a->dur)))
+ {
+ pthread_mutex_unlock (&(alist_p->mutex));
+ return 0;
+ }
+ }
+ pthread_mutex_unlock (&(alist_p->mutex));
+
+#undef SLICENUM
+ return 1;
+}
+
/* Request the user to enter a new time. */
static char *
day_edit_time (long time)