mktables: Factor out a constant string to a variable

[perl5.git] / time64.c

diff --git a/time64.c b/time64.c
old mode 100755 (executable)
new mode 100644 (file)
index 764ac72..9faab10
--- a/time64.c
+++ b/time64.c
@@ -368,22 +368,22 @@ static struct TM *S_gmtime64_r (const Time64_T *in_time, struct TM *p)
     p->tm_isdst  = 0;
 
 #ifdef HAS_TM_TM_ZONE
-    p->tm_zone   = "UTC";
+    p->tm_zone   = (char *)"UTC";
 #endif
 
-    v_tm_sec =  (int)(time % 60);
-    time /= 60;
-    v_tm_min =  (int)(time % 60);
-    time /= 60;
-    v_tm_hour = (int)(time % 24);
-    time /= 24;
+    v_tm_sec  = (int)fmod(time, 60.0);
+    time      = time >= 0 ? floor(time / 60.0) : ceil(time / 60.0);
+    v_tm_min  = (int)fmod(time, 60.0);
+    time      = time >= 0 ? floor(time / 60.0) : ceil(time / 60.0);
+    v_tm_hour = (int)fmod(time, 24.0);
+    time      = time >= 0 ? floor(time / 24.0) : ceil(time / 24.0);
     v_tm_tday = time;
 
     WRAP (v_tm_sec, v_tm_min, 60);
     WRAP (v_tm_min, v_tm_hour, 60);
     WRAP (v_tm_hour, v_tm_tday, 24);
 
-    v_tm_wday = (int)((v_tm_tday + 4) % 7);
+    v_tm_wday = (int)fmod((v_tm_tday + 4.0), 7.0);
     if (v_tm_wday < 0)
         v_tm_wday += 7;
     m = v_tm_tday;
@@ -395,7 +395,7 @@ static struct TM *S_gmtime64_r (const Time64_T *in_time, struct TM *p)
 
     if (m >= 0) {
         /* Gregorian cycles, this is huge optimization for distant times */
-        cycles = (int)(m / (Time64_T) days_in_gregorian_cycle);
+        cycles = (int)floor(m / (Time64_T) days_in_gregorian_cycle);
         if( cycles ) {
             m -= (cycles * (Time64_T) days_in_gregorian_cycle);
             year += (cycles * years_in_gregorian_cycle);
@@ -419,7 +419,7 @@ static struct TM *S_gmtime64_r (const Time64_T *in_time, struct TM *p)
         year--;
 
         /* Gregorian cycles */
-        cycles = (int)((m / (Time64_T) days_in_gregorian_cycle) + 1);
+        cycles = (int)ceil((m / (Time64_T) days_in_gregorian_cycle) + 1);
         if( cycles ) {
             m -= (cycles * (Time64_T) days_in_gregorian_cycle);
             year += (cycles * years_in_gregorian_cycle);
@@ -543,7 +543,7 @@ static struct TM *S_localtime64_r (const Time64_T *time, struct TM *local_tm)
     /* GMT is Jan 1st, xx01 year, but localtime is still Dec 31st
        in a non-leap xx00.  There is one point in the cycle
        we can't account for which the safe xx00 year is a leap
-       year.  So we need to correct for Dec 31st comming out as
+       year.  So we need to correct for Dec 31st coming out as
        the 366th day of the year.
     */
     if( !IS_LEAP(local_tm->tm_year) && local_tm->tm_yday == 365 )