diff options
Diffstat (limited to 'misc-utils/cal.c')
| -rw-r--r-- | misc-utils/cal.c | 25 |
1 files changed, 15 insertions, 10 deletions
diff --git a/misc-utils/cal.c b/misc-utils/cal.c index a8534b8c..bda3a963 100644 --- a/misc-utils/cal.c +++ b/misc-utils/cal.c @@ -162,7 +162,7 @@ char *Hrow; /* pointer to highlighted row in month */ #define FIRST_MISSING_DAY 639799 /* 3 Sep 1752 */ #define NUMBER_MISSING_DAYS 11 /* 11 day correction */ -#define MAXDAYS 43 /* max slots in a month array */ +#define MAXDAYS 42 /* slots in a month array */ #define SPACE -1 /* used in day array */ static int days_in_month[2][13] = { @@ -170,30 +170,34 @@ static int days_in_month[2][13] = { {0, 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}, }; -int sep1752[MAXDAYS] = { +#define SEP1752_OFS 4 /* sep1752[4] is a Sunday */ + +/* 1 Sep 1752 is represented by sep1752[6] and j_sep1752[6] */ +int sep1752[MAXDAYS+6] = { + SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, 1, 2, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, - SPACE -}, j_sep1752[MAXDAYS] = { + SPACE, SPACE +}, j_sep1752[MAXDAYS+6] = { + SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, 245, 246, 258, 259, 260, 261, 262, 263, 264, 265, 266, 267, 268, 269, 270, 271, 272, 273, 274, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, - SPACE + SPACE, SPACE }, empty[MAXDAYS] = { SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, - SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, - SPACE + SPACE, SPACE, SPACE, SPACE, SPACE, SPACE, SPACE }; #define DAY_LEN 3 /* 3 spaces per day */ @@ -354,7 +358,7 @@ main(int argc, char **argv) { day = month = year = 0; switch(argc) { case 3: - if ((day = atoi(*argv++)) < 1 || month > 31) + if ((day = atoi(*argv++)) < 1 || day > 31) errx(1, _("illegal day value: use 1-%d"), 31); /* FALLTHROUGH */ case 2: @@ -629,10 +633,11 @@ day_array(int day, int month, int year, int *days) { int *d_sep1752; if (month == 9 && year == 1752) { + int sep1752_ofs = (weekstart + SEP1752_OFS) % 7; d_sep1752 = julian ? j_sep1752 : sep1752; - memcpy(days, d_sep1752 + weekstart, MAXDAYS * sizeof(int)); + memcpy(days, d_sep1752 + sep1752_ofs, MAXDAYS * sizeof(int)); for (dm=0; dm<MAXDAYS; dm++) - if (j_sep1752[dm] == day) + if (j_sep1752[dm + sep1752_ofs] == day) days[dm] |= TODAY_FLAG; return; } |