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fixed incorrect fday handling in dayofweek() function

This commit is contained in:
Willem van de Krol 2014-07-04 22:23:52 +02:00 committed by sin
parent 5721deb2c4
commit f02f2190f0
1 changed files with 4 additions and 8 deletions
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12
cal.c
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@ -79,15 +79,11 @@ drawcal(int year, int month, int day, int ncols, int nmons, int fday)
static int
dayofweek(int year, int month, int day, int fday)
{
int a, y, m, d;
static int t[] = { 0, 3, 2, 5, 0, 3, 5, 1, 4, 6, 2, 4 };
month++;
a = (14 - month) / 12;
y = year + 4800 - a;
m = month + 12 * a - 3;
d = (day + (153 * m + 2) / 5 + 365 * y + y / 4 - y / 100 + y \
/ 400 - 32045 + 1) % 7;
return (fday > d)? (7 - d) : (d - fday);
day += 7 - fday;
year -= month < 2;
return (year + year / 4 - year / 100 + year / 400 + t[month] + day) % 7;
}
static bool