diff --git a/src/libiso8601/100_leap.c b/src/libiso8601/100_leap.c
index 1071a83..3c7349c 100644
--- a/src/libiso8601/100_leap.c
+++ b/src/libiso8601/100_leap.c
@@ -7,7 +7,7 @@
 
 
 
-static int leap_second_days[] = {
+static int leap_second_days_table[] = {
     720439, /* 1972-06-30 */
     720623, /* 1972-12-31 */
     720988, /* 1973-12-31 */
@@ -36,12 +36,15 @@ static int leap_second_days[] = {
 
 
 
+static int* leap_second_days = leap_second_days_table;
+static int leap_second_days_num = sizeof(leap_second_days_table) / sizeof(int);
+
+
+
 int iso8601_seconds_leap(const struct iso8601_date* date)
 {
-    int num_ly = 0, i = 0;
-
-    num_ly = sizeof(leap_second_days) / sizeof(int);
-    for(i = 0; i < num_ly; ++i) if(leap_second_days[i] == date->day) return 86401;
+    int i;
+    for(i = 0; i < leap_second_days_num; ++i) if(leap_second_days[i] == date->day) return 86401;
     return 86400;
 }
 
@@ -51,10 +54,10 @@ static int _leap_elapsed_day(int sday, int eday)
 {
     int spos, epos;
 
-    for(spos = 0; (unsigned)spos < sizeof(leap_second_days) / sizeof(int); ++spos) {
+    for(spos = 0; spos < leap_second_days_num; ++spos) {
         if(sday <= leap_second_days[spos]) break;
     }
-    for(epos = 0; (unsigned)epos < sizeof(leap_second_days) / sizeof(int); ++epos) {
+    for(epos = 0; epos < leap_second_days_num; ++epos) {
         if(eday <= leap_second_days[epos]) break;
     }