Add day and week view

[lackey] / src / util.h

diff --git a/src/util.h b/src/util.h
index 57e7afca2ddb631f7df984fc8b8cd36a6f1b81ce..497666c681c17711cc22a828a4d6117db6c856c6 100644 (file)
--- a/src/util.h
+++ b/src/util.h
@@ -1,4 +1,10 @@
-/* Types */
+/* Macros */
+#define MIN(a,b) ((a) < (b) ? (a) : (b))
+#define MAX(a,b) ((a) > (b) ? (a) : (b))
+#define ROUND(x) ((int)((x)+0.5))
+#define N_ELEMENTS(x) (sizeof(x)/sizeof((x)[0]))
+
+/* Time types */
 typedef int year_t;
 typedef int day_t;
 
@@ -28,12 +34,16 @@ typedef enum {
 } wday_t;
 
 /* Time functions */
+int is_leap_year(year_t year);
 int days_in_year(year_t year);
 int days_in_month(year_t year, month_t month);
 int weeks_in_month(year_t year, month_t month);
+wday_t day_of_week(year_t year, month_t month, day_t day);
 wday_t start_of_month(year_t year, month_t month);
+day_t start_of_week(year_t year, month_t month, day_t day);
+void add_days(year_t *year, month_t *month, day_t *day, int days);
 
-/* String functions */
+/* Time to string functions */
 const char *month_to_str(month_t month);
 const char *month_to_string(month_t month);
 const char *day_to_st(wday_t day);