- add -A and -B option.
- change -3 to a synonym of "-A1 -B1". (to make compatible other implementations) - eliminate duplicated codes. - fix crashes for -3.
This commit is contained in:
yamt
parent
9d459e65ae
commit
c81873c76e
|
|
@ -1,4 +1,4 @@
|
|||
.\" $NetBSD: cal.1,v 1.11 2002/06/23 00:22:56 wiz Exp $
|
||||
.\" $NetBSD: cal.1,v 1.12 2002/10/25 20:06:56 yamt Exp $
|
||||
.\"
|
||||
.\" Copyright (c) 1989, 1990, 1993
|
||||
.\" The Regents of the University of California. All rights reserved.
|
||||
|
|
@ -36,7 +36,7 @@
|
|||
.\"
|
||||
.\" @(#)cal.1 8.2 (Berkeley) 4/28/95
|
||||
.\"
|
||||
.Dd April 28, 1995
|
||||
.Dd October 25, 2002
|
||||
.Dt CAL 1
|
||||
.Os
|
||||
.Sh NAME
|
||||
|
|
@ -45,6 +45,8 @@
|
|||
.Sh SYNOPSIS
|
||||
.Nm
|
||||
.Op Fl jy3
|
||||
.Op Fl A after
|
||||
.Op Fl B before
|
||||
.Op Oo Ar month Oc Ar \ year
|
||||
.Sh DESCRIPTION
|
||||
.Nm
|
||||
|
|
@ -53,15 +55,20 @@ If arguments are not specified,
|
|||
the current month is displayed.
|
||||
The options are as follows:
|
||||
.Bl -tag -width Ds
|
||||
.It Fl A Ar after
|
||||
Display
|
||||
.Ar after
|
||||
monthes after the specified month.
|
||||
.It Fl B Ar before
|
||||
Display
|
||||
.Ar before
|
||||
monthes before the specified month.
|
||||
.It Fl j
|
||||
Display julian dates (days one-based, numbered from January 1).
|
||||
.It Fl y
|
||||
Display a calendar for the current year.
|
||||
.It Fl 3
|
||||
Display a three month calendar, starting with the current month or the
|
||||
specified year and month. If a year is specified but no month is
|
||||
specified January is assumed. This option is not compatible with
|
||||
.Fl j .
|
||||
Same as -A1 -B1.
|
||||
.El
|
||||
.Pp
|
||||
A single parameter specifies the year (1 - 9999) to be displayed;
|
||||
|
|
|
|||
|
|
@ -1,4 +1,4 @@
|
|||
/* $NetBSD: cal.c,v 1.13 2002/06/22 21:14:18 perry Exp $ */
|
||||
/* $NetBSD: cal.c,v 1.14 2002/10/25 20:06:56 yamt Exp $ */
|
||||
|
||||
/*
|
||||
* Copyright (c) 1989, 1993, 1994
|
||||
|
|
@ -46,7 +46,7 @@ __COPYRIGHT("@(#) Copyright (c) 1989, 1993, 1994\n\
|
|||
#if 0
|
||||
static char sccsid[] = "@(#)cal.c 8.4 (Berkeley) 4/2/94";
|
||||
#else
|
||||
__RCSID("$NetBSD: cal.c,v 1.13 2002/06/22 21:14:18 perry Exp $");
|
||||
__RCSID("$NetBSD: cal.c,v 1.14 2002/10/25 20:06:56 yamt Exp $");
|
||||
#endif
|
||||
#endif /* not lint */
|
||||
|
||||
|
|
@ -54,6 +54,8 @@ __RCSID("$NetBSD: cal.c,v 1.13 2002/06/22 21:14:18 perry Exp $");
|
|||
|
||||
#include <ctype.h>
|
||||
#include <err.h>
|
||||
#include <errno.h>
|
||||
#include <limits.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
|
|
@ -125,30 +127,36 @@ char *j_day_headings = " S M Tu W Th F S";
|
|||
|
||||
int julian;
|
||||
|
||||
int getnum(const char *);
|
||||
void ascii_day(char *, int);
|
||||
void center(char *, int, int);
|
||||
void day_array(int, int, int *);
|
||||
int day_in_week(int, int, int);
|
||||
int day_in_year(int, int, int);
|
||||
void j_yearly(int);
|
||||
void month3(int, int);
|
||||
void monthly(int, int);
|
||||
void monthrange(int, int, int, int, int);
|
||||
int main(int, char **);
|
||||
void trim_trailing_spaces(char *);
|
||||
void usage(void);
|
||||
void yearly(int);
|
||||
|
||||
int
|
||||
main(int argc, char **argv)
|
||||
{
|
||||
struct tm *local_time;
|
||||
time_t now;
|
||||
int ch, month, year, yflag, threeflag;
|
||||
int ch, month, year, yflag;
|
||||
int before, after;
|
||||
int yearly = 0;
|
||||
|
||||
before = after = 0;
|
||||
yflag = year = 0;
|
||||
threeflag = 0;
|
||||
while ((ch = getopt(argc, argv, "jy3")) != -1) {
|
||||
while ((ch = getopt(argc, argv, "A:B:jy3")) != -1) {
|
||||
switch (ch) {
|
||||
case 'A':
|
||||
after = getnum(optarg);
|
||||
break;
|
||||
case 'B':
|
||||
before = getnum(optarg);
|
||||
break;
|
||||
case 'j':
|
||||
julian = 1;
|
||||
break;
|
||||
|
|
@ -156,7 +164,7 @@ main(int argc, char **argv)
|
|||
yflag = 1;
|
||||
break;
|
||||
case '3':
|
||||
threeflag = 1;
|
||||
before = after = 1;
|
||||
break;
|
||||
case '?':
|
||||
default:
|
||||
|
|
@ -165,10 +173,6 @@ main(int argc, char **argv)
|
|||
}
|
||||
}
|
||||
|
||||
if (threeflag && julian) {
|
||||
usage();
|
||||
}
|
||||
|
||||
argc -= optind;
|
||||
argv += optind;
|
||||
|
||||
|
|
@ -193,14 +197,15 @@ main(int argc, char **argv)
|
|||
usage();
|
||||
}
|
||||
|
||||
if (threeflag)
|
||||
month3(month ? month : 1 , year);
|
||||
else if (month)
|
||||
monthly(month, year);
|
||||
else if (julian)
|
||||
j_yearly(year);
|
||||
else
|
||||
yearly(year);
|
||||
if (!month) {
|
||||
/* yearly */
|
||||
month = 1;
|
||||
before = 0;
|
||||
after = 11;
|
||||
yearly = 1;
|
||||
}
|
||||
|
||||
monthrange(month, year, before, after, yearly);
|
||||
|
||||
exit(0);
|
||||
}
|
||||
|
|
@ -211,136 +216,135 @@ main(int argc, char **argv)
|
|||
#define J_WEEK_LEN 27 /* 7 * 4 - one space at the end */
|
||||
#define HEAD_SEP 2 /* spaces between day headings */
|
||||
#define J_HEAD_SEP 2
|
||||
#define MONTH_PER_ROW 3 /* how many monthes in a row */
|
||||
#define J_MONTH_PER_ROW 2
|
||||
|
||||
void
|
||||
monthly(int month, int year)
|
||||
monthrange(int month, int year, int before, int after, int yearly)
|
||||
{
|
||||
int col, row, len, days[MAXDAYS];
|
||||
char *p, lineout[30];
|
||||
int startmonth, startyear;
|
||||
int endmonth, endyear;
|
||||
int i, row;
|
||||
int days[3][MAXDAYS];
|
||||
char lineout[80];
|
||||
int inayear;
|
||||
int newyear;
|
||||
int day_len, week_len, head_sep;
|
||||
int month_per_row;
|
||||
int skip;
|
||||
|
||||
day_array(month, year, days);
|
||||
len = snprintf(lineout, sizeof(lineout), "%s %d",
|
||||
month_names[month - 1], year);
|
||||
(void)printf("%*s%s\n%s\n",
|
||||
((julian ? J_WEEK_LEN : WEEK_LEN) - len) / 2, "",
|
||||
lineout, julian ? j_day_headings : day_headings);
|
||||
for (row = 0; row < 6; row++) {
|
||||
for (col = 0, p = lineout; col < 7; col++,
|
||||
p += julian ? J_DAY_LEN : DAY_LEN)
|
||||
ascii_day(p, days[row * 7 + col]);
|
||||
*p = '\0';
|
||||
trim_trailing_spaces(lineout);
|
||||
(void)printf("%s\n", lineout);
|
||||
if (julian) {
|
||||
day_len = J_DAY_LEN;
|
||||
week_len = J_WEEK_LEN;
|
||||
head_sep = J_HEAD_SEP;
|
||||
month_per_row = J_MONTH_PER_ROW;
|
||||
}
|
||||
else {
|
||||
day_len = DAY_LEN;
|
||||
week_len = WEEK_LEN;
|
||||
head_sep = HEAD_SEP;
|
||||
month_per_row = MONTH_PER_ROW;
|
||||
}
|
||||
|
||||
void
|
||||
j_yearly(int year)
|
||||
{
|
||||
int col, *dp, i, month, row, which_cal;
|
||||
int days[12][MAXDAYS];
|
||||
char *p, lineout[80];
|
||||
|
||||
(void)snprintf(lineout, sizeof(lineout), "%d", year);
|
||||
center(lineout, J_WEEK_LEN * 2 + J_HEAD_SEP, 0);
|
||||
(void)printf("\n\n");
|
||||
for (i = 0; i < 12; i++)
|
||||
day_array(i + 1, year, days[i]);
|
||||
(void)memset(lineout, ' ', sizeof(lineout) - 1);
|
||||
lineout[sizeof(lineout) - 1] = '\0';
|
||||
for (month = 0; month < 12; month += 2) {
|
||||
center(month_names[month], J_WEEK_LEN, J_HEAD_SEP);
|
||||
center(month_names[month + 1], J_WEEK_LEN, 0);
|
||||
(void)printf("\n%s%*s%s\n", j_day_headings, J_HEAD_SEP, "",
|
||||
j_day_headings);
|
||||
for (row = 0; row < 6; row++) {
|
||||
for (which_cal = 0; which_cal < 2; which_cal++) {
|
||||
p = lineout + which_cal * (J_WEEK_LEN + 2);
|
||||
dp = &days[month + which_cal][row * 7];
|
||||
for (col = 0; col < 7; col++, p += J_DAY_LEN)
|
||||
ascii_day(p, *dp++);
|
||||
}
|
||||
*p = '\0';
|
||||
trim_trailing_spaces(lineout);
|
||||
(void)printf("%s\n", lineout);
|
||||
}
|
||||
}
|
||||
(void)printf("\n");
|
||||
}
|
||||
|
||||
void
|
||||
yearly(int year)
|
||||
{
|
||||
int col, *dp, i, month, row, which_cal;
|
||||
int days[12][MAXDAYS];
|
||||
char *p, lineout[80];
|
||||
|
||||
(void)snprintf(lineout, sizeof(lineout), "%d", year);
|
||||
center(lineout, WEEK_LEN * 3 + HEAD_SEP * 2, 0);
|
||||
(void)printf("\n\n");
|
||||
for (i = 0; i < 12; i++)
|
||||
day_array(i + 1, year, days[i]);
|
||||
(void)memset(lineout, ' ', sizeof(lineout) - 1);
|
||||
lineout[sizeof(lineout) - 1] = '\0';
|
||||
for (month = 0; month < 12; month += 3) {
|
||||
center(month_names[month], WEEK_LEN, HEAD_SEP);
|
||||
center(month_names[month + 1], WEEK_LEN, HEAD_SEP);
|
||||
center(month_names[month + 2], WEEK_LEN, 0);
|
||||
(void)printf("\n%s%*s%s%*s%s\n", day_headings, HEAD_SEP,
|
||||
"", day_headings, HEAD_SEP, "", day_headings);
|
||||
for (row = 0; row < 6; row++) {
|
||||
for (which_cal = 0; which_cal < 3; which_cal++) {
|
||||
p = lineout + which_cal * (WEEK_LEN + 2);
|
||||
dp = &days[month + which_cal][row * 7];
|
||||
for (col = 0; col < 7; col++, p += DAY_LEN)
|
||||
ascii_day(p, *dp++);
|
||||
}
|
||||
*p = '\0';
|
||||
trim_trailing_spaces(lineout);
|
||||
(void)printf("%s\n", lineout);
|
||||
}
|
||||
}
|
||||
(void)printf("\n");
|
||||
}
|
||||
|
||||
void
|
||||
month3(int month, int year)
|
||||
{
|
||||
int col, *dp, i, row, which_cal;
|
||||
int days[12][MAXDAYS];
|
||||
char *p, lineout[80];
|
||||
|
||||
for (i = 0; i < 12; i++)
|
||||
day_array(i + 1, year, days[i]);
|
||||
|
||||
month--;
|
||||
|
||||
snprintf(lineout, sizeof(lineout), "%s %d",
|
||||
month_names[month], year);
|
||||
center(lineout, WEEK_LEN, HEAD_SEP);
|
||||
snprintf(lineout, sizeof(lineout), "%s %d",
|
||||
month_names[month+1], year);
|
||||
center(lineout, WEEK_LEN, HEAD_SEP);
|
||||
snprintf(lineout, sizeof(lineout), "%s %d",
|
||||
month_names[month+2], year);
|
||||
center(lineout, WEEK_LEN, 0);
|
||||
startyear = year - (before + 12 - 1 - month) / 12;
|
||||
startmonth = 12 - 1 - ((before + 12 - 1 - month) % 12);
|
||||
endyear = year + (month + after) / 12;
|
||||
endmonth = (month + after) % 12;
|
||||
|
||||
(void)memset(lineout, ' ', sizeof(lineout) - 1);
|
||||
lineout[sizeof(lineout) - 1] = '\0';
|
||||
if (startyear < 0 || endyear > 9999) {
|
||||
errx(1, "year should be in 1-9999\n");
|
||||
}
|
||||
|
||||
(void)printf("\n%s%*s%s%*s%s\n", day_headings, HEAD_SEP,
|
||||
"", day_headings, HEAD_SEP, "", day_headings);
|
||||
year = startyear;
|
||||
month = startmonth;
|
||||
inayear = newyear = (year != endyear || yearly);
|
||||
if (inayear) {
|
||||
skip = month % month_per_row;
|
||||
month -= skip;
|
||||
}
|
||||
else {
|
||||
skip = 0;
|
||||
}
|
||||
|
||||
do {
|
||||
if (newyear) {
|
||||
(void)snprintf(lineout, sizeof(lineout), "%d", year);
|
||||
center(lineout, week_len * month_per_row +
|
||||
head_sep * (month_per_row - 1), 0);
|
||||
(void)printf("\n\n");
|
||||
newyear = 0;
|
||||
}
|
||||
|
||||
for (i = 0; i < skip; i++)
|
||||
center("", week_len, head_sep);
|
||||
|
||||
for (; i < month_per_row; i++) {
|
||||
int sep;
|
||||
|
||||
if (year == endyear && month + i > endmonth)
|
||||
break;
|
||||
|
||||
sep = (i == month_per_row - 1) ? 0 : head_sep;
|
||||
day_array(month + i + 1, year, days[i]);
|
||||
if (inayear) {
|
||||
center(month_names[month + i], week_len, sep);
|
||||
}
|
||||
else {
|
||||
snprintf(lineout, sizeof(lineout), "%s %d",
|
||||
month_names[month + i], year);
|
||||
center(lineout, week_len, sep);
|
||||
}
|
||||
}
|
||||
printf("\n");
|
||||
|
||||
for (i = 0; i < skip; i++)
|
||||
center("", week_len, head_sep);
|
||||
|
||||
for (; i < month_per_row; i++) {
|
||||
int sep;
|
||||
|
||||
if (year == endyear && month + i > endmonth)
|
||||
break;
|
||||
|
||||
sep = (i == month_per_row - 1) ? 0 : head_sep;
|
||||
printf("%s%*s",
|
||||
(julian) ? j_day_headings : day_headings, sep, "");
|
||||
}
|
||||
printf("\n");
|
||||
|
||||
memset(lineout, ' ', sizeof(lineout));
|
||||
for (row = 0; row < 6; row++) {
|
||||
for (which_cal = 0; which_cal < 3; which_cal++) {
|
||||
p = lineout + which_cal * (WEEK_LEN + 2);
|
||||
dp = &days[month + which_cal][row * 7];
|
||||
for (col = 0; col < 7; col++, p += DAY_LEN)
|
||||
char *p;
|
||||
for (i = 0; i < skip; i++) {
|
||||
p = lineout + i * (week_len + 2);
|
||||
memset(p, ' ', week_len);
|
||||
}
|
||||
for (; i < month_per_row; i++) {
|
||||
int col, *dp;
|
||||
|
||||
if (year == endyear && month + i > endmonth)
|
||||
break;
|
||||
|
||||
p = lineout + i * (week_len + 2);
|
||||
dp = &days[i][row * 7];
|
||||
for (col = 0; col < 7; col++, p += day_len)
|
||||
ascii_day(p, *dp++);
|
||||
}
|
||||
*p = '\0';
|
||||
trim_trailing_spaces(lineout);
|
||||
(void)printf("%s\n", lineout);
|
||||
}
|
||||
|
||||
skip = 0;
|
||||
month += month_per_row;
|
||||
if (month >= 12) {
|
||||
month -= 12;
|
||||
year++;
|
||||
newyear = 1;
|
||||
}
|
||||
} while (year < endyear || (year == endyear && month <= endmonth));
|
||||
}
|
||||
|
||||
/*
|
||||
|
|
@ -467,10 +471,33 @@ center(char *str, int len, int separate)
|
|||
(void)printf("%*s", separate, "");
|
||||
}
|
||||
|
||||
int
|
||||
getnum(const char *p)
|
||||
{
|
||||
long result;
|
||||
char *ep;
|
||||
|
||||
errno = 0;
|
||||
result = strtoul(p, &ep, 10);
|
||||
if (p[0] == '\0' || *ep != '\0')
|
||||
goto error;
|
||||
if (errno == ERANGE && result == ULONG_MAX)
|
||||
goto error;
|
||||
if (result > INT_MAX)
|
||||
goto error;
|
||||
|
||||
return (int)result;
|
||||
|
||||
error:
|
||||
errx(1, "bad number: %s", p);
|
||||
/*NOTREACHED*/
|
||||
}
|
||||
|
||||
void
|
||||
usage(void)
|
||||
{
|
||||
|
||||
(void)fprintf(stderr, "usage: cal [-jy3] [[month] year]\n");
|
||||
(void)fprintf(stderr,
|
||||
"usage: cal [-jy3] [-B before] [-A after] [[month] year]\n");
|
||||
exit(1);
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue