/* utf-8 can have up to 6 bytes per char; and an extra byte for ending \0 */
static char day_headings[J_WEEK_LEN * 6 + 1];
-/* weekstart = 1 => " M Tu W Th F S S " */
-static const char *full_month[MONTHS_IN_YEAR];
-/* 0 => sunday, 1 => monday */
-static int weekstart = SUNDAY;
-static int julian;
+struct cal_control {
+ const char *full_month[MONTHS_IN_YEAR]; /* month names */
+ int colormode; /* day and week number highlight */
+ int num_months; /* number of months horizontally in print out */
+ int weekstart; /* day the week starts, often Sun or Mon */
+ int weektype; /* WEEK_TYPE_{NONE,ISO,US} */
+ int weeknum; /* requested --week=<number> */
+ unsigned int julian:1, /* julian output */
+ yflag:1; /* print whole year */
+};
/* function prototypes */
static int leap_year(long year);
-static char * ascii_day(char *, int);
-static char * ascii_wnum(char *, int,int);
+static char *ascii_day(char *, int, const struct cal_control *ctl);
+static char *ascii_wnum(char *p, int wn, const struct cal_control *ctl);
static int center_str(const char* src, char* dest, size_t dest_size, size_t width);
static void center(const char *, size_t, int);
-static void day_array(int, int, long, int *);
+static void day_array(int, int, long, int *, const struct cal_control *ctl);
static int day_in_week(int, int, long);
static int day_in_year(int, int, long);
-static int week_number(int, int, long, int);
-static int week_to_day(int, long, int);
-static void yearly(int, long, int, int);
-static int do_monthly(int, int, long, int, struct fmt_st*, int);
-static void monthly(int, int, long, int);
-static int two_header_lines(int month, long year);
-static void monthly3(int, int, long, int);
+static int week_number(int, int, long, const struct cal_control *ctl);
+static int week_to_day(long, const struct cal_control *ctl);
+static void yearly(int, long, const struct cal_control *ctl);
+static int do_monthly(int day, int month, long year, struct fmt_st *out,
+ int header_hint, const struct cal_control *ctl);
+static void monthly(int, int, long, const struct cal_control *ctl);
+static int two_header_lines(int month, long year, const struct cal_control *ctl);
+static void monthly3(int, int, long, const struct cal_control *ctl);
static void __attribute__ ((__noreturn__)) usage(FILE * out);
-static void headers_init(int);
+static void headers_init(struct cal_control *ctl);
int main(int argc, char **argv)
{
struct tm *local_time;
time_t now;
- int ch, day = 0, month = 0, yflag = 0, wflag = WEEK_NUM_DISABLED;
+ int ch, day = 0, month = 0;
long year;
- int num_months = NUM_MONTHS;
- int colormode = UL_COLORMODE_AUTO, wnum = 0;
+ static struct cal_control ctl = {
+ .weekstart = SUNDAY,
+ .num_months = NUM_MONTHS,
+ .colormode = UL_COLORMODE_AUTO,
+ .weektype = WEEK_NUM_DISABLED
+ };
enum {
OPT_COLOR = CHAR_MAX + 1
wfd = val.word;
wfd = day_in_week(wfd % 100, (wfd / 100) % 100, wfd / (100 * 100));
- weekstart = (wfd + *nl_langinfo(_NL_TIME_FIRST_WEEKDAY) - 1) % DAYS_IN_WEEK;
+ ctl.weekstart = (wfd + *nl_langinfo(_NL_TIME_FIRST_WEEKDAY) - 1) % DAYS_IN_WEEK;
}
#endif
while ((ch = getopt_long(argc, argv, "13mjsywVh", longopts, NULL)) != -1)
switch(ch) {
case '1':
- num_months = 1; /* default */
+ ctl.num_months = 1; /* default */
break;
case '3':
- num_months = 3;
+ ctl.num_months = 3;
break;
case 's':
- weekstart = SUNDAY; /* default */
+ ctl.weekstart = SUNDAY; /* default */
break;
case 'm':
- weekstart = MONDAY;
+ ctl.weekstart = MONDAY;
break;
case 'j':
- julian = 1;
+ ctl.julian = 1;
break;
case 'y':
- yflag = 1;
+ ctl.yflag = 1;
break;
case 'w':
if (optarg) {
- wnum = strtos32_or_err(optarg,
+ ctl.weeknum = strtos32_or_err(optarg,
_("invalid week argument"));
- if (wnum < 1 || wnum > 53)
+ if (ctl.weeknum < 1 || 53 < ctl.weeknum)
errx(EXIT_FAILURE,_("illegal week value: use 1-53"));
}
- wflag = WEEK_NUM_US; /* default per weekstart */
+ ctl.weektype = WEEK_NUM_US; /* default per weekstart */
break;
case OPT_COLOR:
if (optarg)
- colormode = colormode_or_err(optarg,
+ ctl.colormode = colormode_or_err(optarg,
_("unsupported color mode"));
break;
case 'V':
argc -= optind;
argv += optind;
- if (wflag) {
- wflag = wnum & WEEK_NUM_MASK;
- wflag |= (weekstart == MONDAY ? WEEK_NUM_ISO : WEEK_NUM_US);
+ if (ctl.weektype) {
+ ctl.weektype = ctl.weeknum & WEEK_NUM_MASK;
+ ctl.weektype |= (ctl.weekstart == MONDAY ? WEEK_NUM_ISO : WEEK_NUM_US);
}
time(&now);
} else if ((long) (local_time->tm_year + 1900) == year) {
day = local_time->tm_yday + 1;
}
- if (!month && !wnum)
- yflag=1;
+ if (!month && !ctl.weeknum)
+ ctl.yflag = 1;
break;
case 0:
day = local_time->tm_yday + 1;
usage(stderr);
}
- if (wnum > 0) {
- int yday = week_to_day(wnum, year, wflag);
+ if (0 < ctl.weeknum) {
+ int yday = week_to_day(year, &ctl);
int leap = leap_year(year);
if (yday < 1)
errx(EXIT_FAILURE, _("illegal week value: year %ld "
"doesn't have week %d"),
- year, wnum);
+ year, ctl.weeknum);
month = 1;
while (month <= 12 && yday > days_in_month[leap][month])
yday -= days_in_month[leap][month++];
* the year in question ends during 52, in this case
* we're assuming that early remnant is being referred
* to if 53 is given as argument. */
- if (wnum == week_number(31, 12, year - 1, wflag))
+ if (ctl.weeknum == week_number(31, 12, year - 1, &ctl))
month = 1;
else
errx(EXIT_FAILURE,
_("illegal week value: year %ld "
"doesn't have week %d"),
- year, wnum);
+ year, ctl.weeknum);
}
}
- headers_init(julian);
+ headers_init(&ctl);
- if (!colors_init(colormode)) {
+ if (!colors_init(ctl.colormode)) {
day = 0;
- wflag &= ~WEEK_NUM_MASK;
+ ctl.weektype &= ~WEEK_NUM_MASK;
}
- if (yflag)
- yearly(day, year, julian, wflag);
- else if (num_months == 1)
- monthly(day, month, year, wflag);
- else if (num_months == 3)
- monthly3(day, month, year, wflag);
+ if (ctl.yflag)
+ yearly(day, year, &ctl);
+ else if (ctl.num_months == 1)
+ monthly(day, month, year, &ctl);
+ else if (ctl.num_months == 3)
+ monthly3(day, month, year, &ctl);
return EXIT_SUCCESS;
}
return ( !(year % 4) && (year % 100) ) || !(year % 400);
}
-static void headers_init(int julian)
+static void headers_init(struct cal_control *ctl)
{
- size_t i, wd, spaces = julian ? J_DAY_LEN - 1 : DAY_LEN - 1;
+ size_t i, wd, spaces = ctl->julian ? J_DAY_LEN - 1 : DAY_LEN - 1;
char *cur_dh = day_headings;
for (i = 0; i < DAYS_IN_WEEK; i++) {
size_t space_left;
- wd = (i + weekstart) % DAYS_IN_WEEK;
+ wd = (i + ctl->weekstart) % DAYS_IN_WEEK;
if (i)
strcat(cur_dh++, " ");
}
for (i = 0; i < MONTHS_IN_YEAR; i++)
- full_month[i] = nl_langinfo(MON_1 + i);
+ ctl->full_month[i] = nl_langinfo(MON_1 + i);
}
-static int do_monthly(int day, int month, long year, int wflag,
- struct fmt_st *out, int header_hint)
+static int do_monthly(int day, int month, long year, struct fmt_st *out,
+ int header_hint, const struct cal_control *ctl)
{
int col, row, days[MAXDAYS];
char *p, lineout[FMT_ST_CHARS];
- size_t width = (julian ? J_WEEK_LEN : WEEK_LEN) - 1
- + (wflag ? WNUM_LEN : 0);
+ size_t width = (ctl->julian ? J_WEEK_LEN : WEEK_LEN) - 1
+ + (ctl->weektype ? WNUM_LEN : 0);
int pos = 0;
- day_array(day, month, year, days);
+ day_array(day, month, year, days, ctl);
if (header_hint < 0)
- header_hint = two_header_lines(month, year);
+ header_hint = two_header_lines(month, year, ctl);
if (header_hint) {
- snprintf(lineout, sizeof(lineout), _("%s"), full_month[month - 1]);
+ snprintf(lineout, sizeof(lineout), _("%s"), ctl->full_month[month - 1]);
center_str(lineout, out->s[pos], ARRAY_SIZE(out->s[pos]), width);
pos++;
snprintf(lineout, sizeof(lineout), _("%ld"), year);
* e.g. for Basque the translation should be "%2$ldko %1$s".
*/
snprintf(lineout, sizeof(lineout), _("%s %ld"),
- full_month[month - 1], year);
+ ctl->full_month[month - 1], year);
center_str(lineout, out->s[pos], ARRAY_SIZE(out->s[pos]), width);
pos++;
}
snprintf(out->s[pos++], FMT_ST_CHARS, "%s%s",
- (wflag ? " " : ""),
+ (ctl->weektype ? " " : ""),
day_headings);
for (row = 0; row < DAYS_IN_WEEK - 1; row++) {
int has_hl = 0;
p = lineout;
- if (wflag)
+ if (ctl->weektype)
for (col = 0; col < DAYS_IN_WEEK; col++) {
int xd = days[row * DAYS_IN_WEEK + col];
if (xd != SPACE) {
- int wnum = week_number(xd & ~TODAY_FLAG,
- month, year, wflag);
- p = ascii_wnum(p, wnum,
- (wflag & WEEK_NUM_MASK) == wnum);
+ int wn = week_number(xd & ~TODAY_FLAG,
+ month, year, ctl);
+ p = ascii_wnum(p, wn, ctl);
break;
} else if (col+1 == DAYS_IN_WEEK)
p += sprintf(p," ");
int xd = days[row * DAYS_IN_WEEK + col];
if (xd != SPACE && (xd & TODAY_FLAG))
has_hl = 1;
- p = ascii_day(p, xd);
+ p = ascii_day(p, xd, ctl);
}
*p = '\0';
snprintf(out->s[row+pos], FMT_ST_CHARS, "%s", lineout);
return pos;
}
-static void monthly(int day, int month, long year, int wflag)
+static void monthly(int day, int month, long year, const struct cal_control *ctl)
{
int i, rows;
struct fmt_st out;
- rows = do_monthly(day, month, year, wflag, &out, -1);
+ rows = do_monthly(day, month, year, &out, -1, ctl);
for (i = 0; i < rows; i++) {
my_putstring(out.s[i]);
my_putstring("\n");
}
}
-static int two_header_lines(int month, long year)
+static int two_header_lines(int month, long year, const struct cal_control *ctl)
{
char lineout[FMT_ST_CHARS];
- size_t width = (julian ? J_WEEK_LEN : WEEK_LEN) - 1;
+ size_t width = (ctl->julian ? J_WEEK_LEN : WEEK_LEN) - 1;
size_t len;
snprintf(lineout, sizeof(lineout), "%ld", year);
len = strlen(lineout);
- len += strlen(full_month[month - 1]) + 1;
+ len += strlen(ctl->full_month[month - 1]) + 1;
if (width < len)
return 1;
return 0;
}
-static void monthly3(int day, int month, long year, int wflag)
+static void monthly3(int day, int month, long year, const struct cal_control *ctl)
{
char lineout[FMT_ST_CHARS];
int i;
next_month = month + 1;
next_year = year;
}
- two_lines = two_header_lines(prev_month, prev_year);
- two_lines += two_header_lines(month, year);
- two_lines += two_header_lines(next_month, next_year);
+ two_lines = two_header_lines(prev_month, prev_year, ctl);
+ two_lines += two_header_lines(month, year, ctl);
+ two_lines += two_header_lines(next_month, next_year, ctl);
if (0 < two_lines)
rows = FMT_ST_LINES;
else
rows = FMT_ST_LINES - 1;
- do_monthly(day, prev_month, prev_year, wflag, &out_prev, two_lines);
- do_monthly(day, month, year, wflag, &out_curm, two_lines);
- do_monthly(day, next_month, next_year, wflag, &out_next, two_lines);
+ do_monthly(day, prev_month, prev_year, &out_prev, two_lines, ctl);
+ do_monthly(day, month, year, &out_curm, two_lines, ctl);
+ do_monthly(day, next_month, next_year, &out_next, two_lines, ctl);
- width = (julian ? J_WEEK_LEN : WEEK_LEN) -1;
+ width = (ctl->julian ? J_WEEK_LEN : WEEK_LEN) -1;
for (i = 0; i < (two_lines ? 3 : 2); i++) {
snprintf(lineout, sizeof(lineout),
"%s %s %s\n", out_prev.s[i], out_curm.s[i], out_next.s[i]);
}
}
-static char *append_wnum(char *p, int *dp,
+static char *append_weeknum(char *p, int *dp,
int month, long year, int cal,
- int row, int wflag)
+ int row, const struct cal_control *ctl)
{
int col;
int xd = dp[row * DAYS_IN_WEEK + col];
if (xd != SPACE) {
- int wnum = week_number(xd & ~TODAY_FLAG,
- month + cal + 1, year, wflag);
- p = ascii_wnum(p, wnum, (wflag & WEEK_NUM_MASK) == wnum);
+ int weeknum = week_number(xd & ~TODAY_FLAG,
+ month + cal + 1, year, ctl);
+ p = ascii_wnum(p, weeknum, ctl);
break;
} else if (col+1 == DAYS_IN_WEEK)
p += sprintf(p," ");
return p;
}
-static void yearly(int day, long year, int julian, int wflag)
+static void yearly(int day, long year, const struct cal_control *ctl)
{
int col, i, month, row, which_cal;
int maxrow, sep_len, week_len;
int days[MONTHS_IN_YEAR][MAXDAYS];
char *p;
/* three weeks + separators + \0 */
- int wnumlen = (wflag ? WNUM_LEN : 0);
- char lineout[ wnumlen + sizeof(day_headings) + 2 +
- wnumlen + sizeof(day_headings) + 2 +
- wnumlen + sizeof(day_headings) + 1 ];
- if (julian) {
+ int weeknumlen = (ctl->weektype ? WNUM_LEN : 0);
+ char lineout[ weeknumlen + sizeof(day_headings) + 2 +
+ weeknumlen + sizeof(day_headings) + 2 +
+ weeknumlen + sizeof(day_headings) + 1 ];
+ if (ctl->julian) {
maxrow = J_MONTH_COLS;
sep_len = J_HEAD_SEP;
- week_len = J_WEEK_LEN + wnumlen;
+ week_len = J_WEEK_LEN + weeknumlen;
} else {
maxrow = MONTH_COLS;
sep_len = HEAD_SEP;
- week_len = WEEK_LEN + wnumlen;
+ week_len = WEEK_LEN + weeknumlen;
}
snprintf(lineout, sizeof(lineout), "%ld", year);
my_putstring("\n\n");
for (i = 0; i < MONTHS_IN_YEAR; i++)
- day_array(day, i + 1, year, days[i]);
+ day_array(day, i + 1, year, days[i], ctl);
for (month = 0; month < MONTHS_IN_YEAR; month += maxrow) {
- center(full_month[month], week_len - 1, sep_len + 1);
- if (julian) {
- center(full_month[month + 1], week_len - 1, 0);
+ center(ctl->full_month[month], week_len - 1, sep_len + 1);
+ if (ctl->julian) {
+ center(ctl->full_month[month + 1], week_len - 1, 0);
} else {
- center(full_month[month + 1], week_len - 1, sep_len + 1);
- center(full_month[month + 2], week_len - 1, 0);
+ center(ctl->full_month[month + 1], week_len - 1, sep_len + 1);
+ center(ctl->full_month[month + 2], week_len - 1, 0);
}
- if (julian)
+ if (ctl->julian)
snprintf(lineout, sizeof(lineout),
"\n%*s%s%*s %*s%s\n",
- wnumlen,"", day_headings, sep_len, "",
- wnumlen,"", day_headings);
+ weeknumlen,"", day_headings, sep_len, "",
+ weeknumlen,"", day_headings);
else
snprintf(lineout, sizeof(lineout),
"\n%*s%s%*s %*s%s%*s %*s%s\n",
- wnumlen,"", day_headings, sep_len, "",
- wnumlen,"", day_headings, sep_len, "",
- wnumlen,"", day_headings);
+ weeknumlen,"", day_headings, sep_len, "",
+ weeknumlen,"", day_headings, sep_len, "",
+ weeknumlen,"", day_headings);
my_putstring(lineout);
for (row = 0; row < DAYS_IN_WEEK - 1; row++) {
for (which_cal = 0; which_cal < maxrow; which_cal++) {
int *dp = &days[month + which_cal][row * DAYS_IN_WEEK];
- if (wflag)
- p = append_wnum(p, days[month + which_cal],
+ if (ctl->weektype)
+ p = append_weeknum(p, days[month + which_cal],
month, year, which_cal,
- row, wflag);
+ row, ctl);
for (col = 0; col < DAYS_IN_WEEK; col++)
- p = ascii_day(p, *dp++);
+ p = ascii_day(p, *dp++, ctl);
p += sprintf(p, " ");
}
*p = '\0';
* out end to end. You would have 42 numbers or spaces. This routine
* builds that array for any month from Jan. 1 through Dec. 9999.
*/
-static void day_array(int day, int month, long year, int *days)
+static void day_array(int day, int month, long year, int *days, const struct cal_control *ctl)
{
int julday, daynum, dw, dm;
const int *sep1752;
memcpy(days, empty, MAXDAYS * sizeof(int));
if (year == REFORMATION_YEAR && month == REFORMATION_MONTH) {
- sep1752 = julian ? j_sep1752 : d_sep1752;
- memcpy(days, sep1752 + weekstart,
- ((MAXDAYS / 2) - weekstart) * sizeof(int));
+ sep1752 = ctl->julian ? j_sep1752 : d_sep1752;
+ memcpy(days, sep1752 + ctl->weekstart,
+ ((MAXDAYS / 2) - ctl->weekstart) * sizeof(int));
for (dm = 0; dm < MAXDAYS / 2; dm++)
if (j_sep1752[dm] == day)
days[dm] |= TODAY_FLAG;
return;
}
dm = days_in_month[leap_year(year)][month];
- dw = (day_in_week(1, month, year) - weekstart + DAYS_IN_WEEK) % DAYS_IN_WEEK;
+ dw = (day_in_week(1, month, year) - ctl->weekstart + DAYS_IN_WEEK) % DAYS_IN_WEEK;
julday = day_in_year(1, month, year);
- daynum = julian ? julday : 1;
+ daynum = ctl->julian ? julday : 1;
while (dm--) {
days[dw] = daynum++;
* Day may be given as Julian day of the year mode, in which
* case the month is disregarded entirely.
*/
-static int week_number(int day, int month, long year, int wflag)
+static int week_number(int day, int month, long year, const struct cal_control *ctl)
{
int fday = 0, yday;
int wday = day_in_week(1, 1, year);
- if (wflag & WEEK_NUM_ISO)
+ if (ctl->weektype & WEEK_NUM_ISO)
fday = wday + (wday >= FRIDAY ? -2 : 5);
else
/* WEEK_NUM_US
/* Last year is last year */
if (yday + fday < 7)
- return week_number(31, 12, year - 1, wflag);
+ return week_number(31, 12, year - 1, ctl);
/* Or it could be part of the next year. The reformation year had less
* days than 365 making this check invalid, but reformation year ended
* on Sunday and in week 51, so it's ok here. */
- if (wflag == WEEK_NUM_ISO && yday >= 363
+ if (ctl->weektype == WEEK_NUM_ISO && yday >= 363
&& day_in_week(day, month, year) >= MONDAY
&& day_in_week(day, month, year) <= WEDNESDAY
&& day_in_week(31, 12, year) >= MONDAY
&& day_in_week(31, 12, year) <= WEDNESDAY)
- return week_number(1, 1, year + 1, wflag);
+ return week_number(1, 1, year + 1, ctl);
return (yday + fday) / 7;
}
* for ISO-8601 modes. For North American numbering this
* always returns a Sunday.
*/
-static int week_to_day(int wnum, long year, int wflag)
+static int week_to_day(long year, const struct cal_control *ctl)
{
int yday, wday;
wday = day_in_week(1, 1, year);
- yday = wnum * 7 - wday;
+ yday = ctl->weeknum * 7 - wday;
- if (wflag & WEEK_NUM_ISO)
+ if (ctl->weektype & WEEK_NUM_ISO)
yday -= (wday >= FRIDAY ? -2 : 5);
else
yday -= (wday == SUNDAY ? 6 : -1); /* WEEK_NUM_US */
return yday;
}
-static char *ascii_day(char *p, int day)
+static char *ascii_day(char *p, int day, const struct cal_control *ctl)
{
int display, val;
int highlight = 0;
};
if (day == SPACE) {
- int len = julian ? J_DAY_LEN : DAY_LEN;
+ int len = ctl->julian ? J_DAY_LEN : DAY_LEN;
memset(p, ' ', len);
return p+len;
}
p += sprintf(p, "%s", Senter);
highlight = 1;
}
- if (julian) {
+ if (ctl->julian) {
if ((val = day / 100)) {
day %= 100;
*p++ = val + '0';
return p;
}
-static char * ascii_wnum(char *p, int wnum,int highlight)
+static char *ascii_wnum(char *p, int weeknum, const struct cal_control *ctl)
{
- if (highlight)
+ if ((ctl->weektype & WEEK_NUM_MASK) == weeknum)
p += sprintf(p,"%s",Senter);
- p += sprintf(p,"%2d",wnum);
- if (highlight)
+ p += sprintf(p,"%2d",weeknum);
+ if ((ctl->weektype & WEEK_NUM_MASK) == weeknum)
p += sprintf(p,"%s ",Sexit);
else
p += sprintf(p," ");
projects / thirdparty / util-linux.git / commitdiff
