style(9)ify usr.bin/calendar
PR: bin/118644 Approved by: bde@ (mentor) MFC after: 1 week
This commit is contained in:
Edwin Groothuis
parent
7f05f04afd
commit
35304a1641
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=181322
@ -71,9 +71,9 @@ main(int argc, char *argv[])
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{
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int ch;
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(void) setlocale(LC_ALL, "");
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(void)setlocale(LC_ALL, "");
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while ((ch = getopt(argc, argv, "-af:t:A:B:F:W:")) != -1)
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while ((ch = getopt(argc, argv, "-A:aB:F:f:t:W:")) != -1)
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switch (ch) {
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case '-': /* backward contemptible */
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case 'a':
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@ -84,13 +84,12 @@ main(int argc, char *argv[])
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doall = 1;
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break;
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case 'f': /* other calendar file */
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calendarFile = optarg;
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break;
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case 't': /* other date, undocumented, for tests */
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f_time = Mktime (optarg);
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f_time = Mktime(optarg);
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break;
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case 'W': /* we don't need no steenking Fridays */
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@ -113,6 +112,7 @@ main(int argc, char *argv[])
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default:
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usage();
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}
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argc -= optind;
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argv += optind;
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@ -143,11 +143,10 @@ main(int argc, char *argv[])
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void
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usage(void)
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{
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(void)fprintf(stderr, "%s\n%s\n",
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fprintf(stderr, "%s\n%s\n",
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"usage: calendar [-a] [-A days] [-B days] [-F friday] "
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"[-f calendarfile]",
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" [-t dd[.mm[.year]]] [-W days]");
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exit(1);
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}
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@ -64,25 +64,24 @@ void setnnames(void);
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#define isleap(y) ((((y) % 4) == 0 && ((y) % 100) != 0) || ((y) % 400) == 0)
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/* some flags */
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#define F_ISMONTH 0x01 /* month (Januar ...) */
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#define F_ISMONTH 0x01 /* month (January ...) */
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#define F_ISDAY 0x02 /* day of week (Sun, Mon, ...) */
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#define F_ISDAYVAR 0x04 /* variables day of week, like SundayLast */
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#define F_EASTER 0x08 /* Easter or easter depending days */
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extern int f_dayAfter; /* days after current date */
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extern int f_dayBefore; /* days bevore current date */
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extern int f_dayBefore; /* days before current date */
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extern int Friday; /* day before weekend */
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struct fixs {
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char *name;
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int len;
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};
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struct event *event_add(struct event *events, int month, int day, char *date,
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int var, char *txt);
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/*
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* Event sorting related functions:
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* - Use event_add() to create a new event
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* - Use event_continue() to add more text to the last added event
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* - Use event_print_all() to display them in time chronological order
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*/
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struct event *event_add(struct event *, int, int, char *, int, char *);
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void event_continue(struct event *events, char *txt);
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void event_print_all(FILE *fp, struct event *events);
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/* Stored calendar event */
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struct event {
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int month;
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int day;
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@ -91,3 +90,8 @@ struct event {
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char *text;
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struct event *next;
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};
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struct fixs {
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char *name;
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int len;
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};
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@ -55,8 +55,8 @@ char dayname[10];
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/* 1-based month, 0-based days, cumulative */
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int daytab[][14] = {
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{ 0, -1, 30, 58, 89, 119, 150, 180, 211, 242, 272, 303, 333, 364 },
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{ 0, -1, 30, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365 },
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{0, -1, 30, 58, 89, 119, 150, 180, 211, 242, 272, 303, 333, 364},
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{0, -1, 30, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365},
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};
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static char const *days[] = {
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@ -143,7 +143,7 @@ settime(time_t now)
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char *oldl, *lbufp;
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tp = localtime(&now);
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if ( isleap(tp->tm_year + 1900) ) {
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if (isleap(tp->tm_year + 1900)) {
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yrdays = 366;
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cumdays = daytab[1];
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} else {
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@ -159,9 +159,9 @@ settime(time_t now)
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lbufp = setlocale(LC_TIME, NULL);
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if (lbufp != NULL && (oldl = strdup(lbufp)) == NULL)
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errx(1, "cannot allocate memory");
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(void) setlocale(LC_TIME, "C");
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(void)setlocale(LC_TIME, "C");
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header[5].iov_len = strftime(dayname, sizeof(dayname), "%A", tp);
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(void) setlocale(LC_TIME, (oldl != NULL ? oldl : ""));
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(void)setlocale(LC_TIME, (oldl != NULL ? oldl : ""));
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if (oldl != NULL)
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free(oldl);
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@ -172,7 +172,7 @@ settime(time_t now)
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* Day: two digits, Month: two digits, Year: digits
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*/
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time_t
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Mktime (char *dp)
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Mktime(char *dp)
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{
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time_t t;
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int d, m, y;
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@ -200,10 +200,10 @@ Mktime (char *dp)
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}
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#ifdef DEBUG
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fprintf(stderr, "Mktime: %d %d %s\n", (int)mktime(&tm), (int)t,
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asctime(&tm));
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fprintf(stderr, "Mktime: %d %d %s\n",
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(int)mktime(&tm), (int)t, asctime(&tm));
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#endif
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return(mktime(&tm));
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return (mktime(&tm));
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}
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/*
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@ -308,18 +308,18 @@ isnow(char *endp, int *monthp, int *dayp, int *varp)
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/* negative offset; last, -4 .. -1 */
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if (day < 0) {
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v1 = day/10 - 1; /* offset -4 ... -1 */
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v1 = day / 10 - 1; /* offset -4 ... -1 */
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day = 10 + (day % 10); /* day 1 ... 7 */
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/* day, eg '22nd' */
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v2 = tp->tm_mday + (((day - 1) - tp->tm_wday + 7) % 7);
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v2 = tp->tm_mday +
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(((day - 1) - tp->tm_wday + 7) % 7);
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/* (month length - day) / 7 + 1 */
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if (cumdays[month+1] - cumdays[month] >= v2
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&& ((int)((cumdays[month+1] -
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if (cumdays[month + 1] - cumdays[month] >= v2
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&& ((int)((cumdays[month + 1] -
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cumdays[month] - v2) / 7) + 1) == -v1)
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/* bingo ! */
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day = v2;
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day = v2; /* bingo ! */
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/* set to yesterday */
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else {
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@ -331,43 +331,44 @@ isnow(char *endp, int *monthp, int *dayp, int *varp)
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/* first, second ... +1 ... +5 */
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else {
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v1 = day/10; /* offset: +1 (first Sunday) ... */
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/* offset: +1 (first Sunday) ... */
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v1 = day / 10;
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day = day % 10;
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/* day, eg '22th' */
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v2 = tp->tm_mday + (((day - 1) - tp->tm_wday + 7) % 7);
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v2 = tp->tm_mday +
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(((day - 1) - tp->tm_wday + 7) % 7);
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/* Hurrah! matched */
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if ( ((v2 - 1 + 7) / 7) == v1 )
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if (((v2 - 1 + 7) / 7) == v1 )
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day = v2;
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/* set to yesterday */
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else {
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/* set to yesterday */
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day = tp->tm_mday - 1;
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if (day == 0)
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return (0);
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}
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}
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}
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} else {
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/* wired */
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else {
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day = tp->tm_mday + (((day - 1) - tp->tm_wday + 7) % 7);
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*varp = 1;
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}
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}
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if (!(flags & F_EASTER)) {
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if (day + cumdays[month] > cumdays[month + 1]) { /* off end of month */
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day -= (cumdays[month + 1] - cumdays[month]); /* adjust */
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if (++month > 12) /* next year */
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if (day + cumdays[month] > cumdays[month + 1]) {
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/* off end of month, adjust */
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day -= (cumdays[month + 1] - cumdays[month]);
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/* next year */
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if (++month > 12)
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month = 1;
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}
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*monthp = month;
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*dayp = day;
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day = cumdays[month] + day;
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}
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else {
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} else {
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for (v1 = 0; day > cumdays[v1]; v1++)
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;
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*monthp = v1 - 1;
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@ -376,8 +377,8 @@ isnow(char *endp, int *monthp, int *dayp, int *varp)
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}
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#ifdef DEBUG
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fprintf(stderr, "day2: day %d(%d-%d) yday %d\n", *dayp, day,
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cumdays[month], tp->tm_yday);
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fprintf(stderr, "day2: day %d(%d-%d) yday %d\n",
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*dayp, day, cumdays[month], tp->tm_yday);
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#endif
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/* When days before or days after is specified */
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@ -395,7 +396,7 @@ isnow(char *endp, int *monthp, int *dayp, int *varp)
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/* previous year */
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if (tp->tm_yday - f_dayBefore < 0) {
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int before = yrdays + (tp->tm_yday - f_dayBefore );
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int before = yrdays + (tp->tm_yday - f_dayBefore);
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if (day >= before)
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return (1);
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}
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@ -451,39 +452,35 @@ getdayvar(char *s)
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{
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int offs;
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offs = strlen(s);
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/* Sun+1 or Wednesday-2
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* ^ ^ */
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/* fprintf(stderr, "x: %s %s %d\n", s, s + offs - 2, offs); */
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switch(*(s + offs - 2)) {
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switch (*(s + offs - 2)) {
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case '-':
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return(-(atoi(s + offs - 1)));
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return (-(atoi(s + offs - 1)));
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case '+':
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return(atoi(s + offs - 1));
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return (atoi(s + offs - 1));
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}
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/*
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* some aliases: last, first, second, third, fourth
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*/
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/* last */
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if (offs > 4 && !strcasecmp(s + offs - 4, "last"))
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return(-1);
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return (-1);
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else if (offs > 5 && !strcasecmp(s + offs - 5, "first"))
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return(+1);
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return (+1);
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else if (offs > 6 && !strcasecmp(s + offs - 6, "second"))
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return(+2);
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return (+2);
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else if (offs > 5 && !strcasecmp(s + offs - 5, "third"))
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return(+3);
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return (+3);
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else if (offs > 6 && !strcasecmp(s + offs - 6, "fourth"))
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return(+4);
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return (+4);
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/* no offset detected */
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return(0);
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return (0);
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}
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@ -68,9 +68,11 @@ __FBSDID("$FreeBSD$");
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const char *calendarFile = "calendar"; /* default calendar file */
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const char *calendarHomes[] = { ".calendar", _PATH_INCLUDE }; /* HOME */
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const char *calendarHomes[] = {".calendar", _PATH_INCLUDE}; /* HOME */
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const char *calendarNoMail = "nomail"; /* don't sent mail if this file exist */
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char path[MAXPATHLEN];
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struct fixs neaster, npaskha;
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struct iovec header[] = {
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@ -83,7 +85,6 @@ struct iovec header[] = {
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{"'s Calendar\nPrecedence: bulk\n\n", 30},
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};
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void
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cal(void)
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{
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@ -113,7 +114,7 @@ cal(void)
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if (buf[0] == '\0')
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continue;
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if (strncmp(buf, "LANG=", 5) == 0) {
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(void) setlocale(LC_ALL, buf + 5);
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(void)setlocale(LC_ALL, buf + 5);
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d_first = (*nl_langinfo(D_MD_ORDER) == 'd');
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setnnames();
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continue;
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@ -145,7 +146,8 @@ cal(void)
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char dbuf[80];
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if (d_first < 0)
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d_first = (*nl_langinfo(D_MD_ORDER) == 'd');
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d_first =
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(*nl_langinfo(D_MD_ORDER) == 'd');
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tm.tm_sec = 0; /* unused */
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tm.tm_min = 0; /* unused */
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tm.tm_hour = 0; /* unused */
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@ -154,27 +156,33 @@ cal(void)
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tm.tm_mday = day;
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tm.tm_year = tp->tm_year; /* unused */
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(void)strftime(dbuf, sizeof(dbuf),
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d_first ? "%e %b" : "%b %e",
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&tm);
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events = event_add(events, month, day, dbuf, var, p);
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d_first ? "%e %b" : "%b %e", &tm);
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events = event_add(events, month, day, dbuf,
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var, p);
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}
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}
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else if (printing)
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} else {
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if (printing)
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event_continue(events, buf);
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}
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}
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event_print_all(fp, events);
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closecal(fp);
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}
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/*
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* Functions to handle buffered calendar events.
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*/
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struct event *
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event_add(struct event *events, int month, int day, char *date, int var, char *txt)
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event_add(struct event *events, int month, int day,
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char *date, int var, char *txt)
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{
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struct event *e;
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/*
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* Creating a new event:
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* - Create a new event
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* - Copy the machine readable day and month
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* - Copy the human readable and language specific date
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* - Copy the text of the event
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*/
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e = (struct event *)calloc(1, sizeof(struct event));
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if (e == NULL)
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errx(1, "event_add: cannot allocate memory");
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@ -197,6 +205,13 @@ event_continue(struct event *e, char *txt)
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{
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char *text;
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/*
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* Adding text to the event:
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* - Save a copy of the old text (unknown length, so strdup())
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* - Allocate enough space for old text + \n + new text + 0
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* - Store the old text + \n + new text
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* - Destroy the saved copy.
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*/
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text = strdup(e->text);
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if (text == NULL)
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errx(1, "event_continue: cannot allocate memory");
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@ -217,15 +232,30 @@ void
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event_print_all(FILE *fp, struct event *events)
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{
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struct event *e, *e_next;
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int daycount = f_dayAfter + f_dayBefore;
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int daycounter;
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int day, month;
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for (daycounter = 0; daycounter <= daycount; daycounter++) {
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/*
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* Print all events:
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* - We know the number of days to be counted (f_dayAfter + f_dayBefore)
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* - We know the current day of the year ("now" - f_dayBefore + counter)
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* - We know the number of days in the year (yrdays, set in settime())
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* - So we know the date on which the current daycounter is on the
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* calendar in days and months.
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* - Go through the list of events, and print all matching dates
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*/
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for (daycounter = 0; daycounter <= f_dayAfter + f_dayBefore;
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daycounter++) {
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day = tp->tm_yday - f_dayBefore + daycounter;
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if (day < 0) day += yrdays;
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if (day >= yrdays) day -= yrdays;
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if (day < 0)
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day += yrdays;
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if (day >= yrdays)
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day -= yrdays;
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/*
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* When we know the day of the year, we can determine the day
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* of the month and the month.
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*/
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month = 1;
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while (month <= 12) {
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if (day <= cumdays[month])
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@ -236,10 +266,15 @@ event_print_all(FILE *fp, struct event *events)
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day -= cumdays[month];
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#ifdef DEBUG
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fprintf(stderr,"event_print_allmonth: %d, day: %d\n",month,day);
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fprintf(stderr, "event_print_allmonth: %d, day: %d\n",
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month, day);
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#endif
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for (e = events; e != NULL; e = e_next ) {
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/*
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* Go through all events and print the text of the matching
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* dates
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*/
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for (e = events; e != NULL; e = e_next) {
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e_next = e->next;
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if (month != e->month || day != e->day)
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@ -258,10 +293,11 @@ getfield(char *p, char **endp, int *flags)
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char *start, savech;
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for (; !isdigit((unsigned char)*p) && !isalpha((unsigned char)*p)
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&& *p != '*'; ++p);
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&& *p != '*'; ++p)
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;
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if (*p == '*') { /* `*' is current month */
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*flags |= F_ISMONTH;
|
||||
*endp = p+1;
|
||||
*endp = p + 1;
|
||||
return (tp->tm_mon + 1);
|
||||
}
|
||||
if (isdigit((unsigned char)*p)) {
|
||||
@ -275,7 +311,8 @@ getfield(char *p, char **endp, int *flags)
|
||||
|
||||
/* Sunday-1 */
|
||||
if (*p == '+' || *p == '-')
|
||||
for(; isdigit((unsigned char)*++p););
|
||||
for(; isdigit((unsigned char)*++p);)
|
||||
;
|
||||
|
||||
savech = *p;
|
||||
*p = '\0';
|
||||
@ -290,7 +327,7 @@ getfield(char *p, char **endp, int *flags)
|
||||
|
||||
/* variable weekday */
|
||||
if ((var = getdayvar(start)) != 0) {
|
||||
if (var <=5 && var >= -4)
|
||||
if (var <= 5 && var >= -4)
|
||||
val += var * 10;
|
||||
#ifdef DEBUG
|
||||
printf("var: %d\n", var);
|
||||
@ -312,13 +349,12 @@ getfield(char *p, char **endp, int *flags)
|
||||
return (0);
|
||||
}
|
||||
for (*p = savech; !isdigit((unsigned char)*p)
|
||||
&& !isalpha((unsigned char)*p) && *p != '*'; ++p);
|
||||
&& !isalpha((unsigned char)*p) && *p != '*'; ++p)
|
||||
;
|
||||
*endp = p;
|
||||
return (val);
|
||||
}
|
||||
|
||||
char path[MAXPATHLEN];
|
||||
|
||||
FILE *
|
||||
opencal(void)
|
||||
{
|
||||
@ -349,7 +385,8 @@ opencal(void)
|
||||
break;
|
||||
}
|
||||
if (!found)
|
||||
errx(1, "can't open calendar file \"%s\": %s (%d)",
|
||||
errx(1,
|
||||
"can't open calendar file \"%s\": %s (%d)",
|
||||
calendarFile, strerror(errno), errno);
|
||||
}
|
||||
}
|
||||
|
||||
@ -55,9 +55,9 @@ easter(int year) /* 0 ... abcd, NOT since 1900 */
|
||||
|
||||
G = year % 19;
|
||||
C = year / 100;
|
||||
H = (C - C/4 - (8*C+13)/25 + 19*G + 15) % 30;
|
||||
I = H - (H/28)*(1 - (H/28)*(29/(H + 1))*((21 - G)/11));
|
||||
J = (year + year/4 + I + 2 - C + C/4) % 7;
|
||||
H = (C - C / 4 - (8 * C + 13) / 25 + 19 * G + 15) % 30;
|
||||
I = H - (H / 28) * (1 - (H / 28) * (29 / (H + 1)) * ((21 - G) / 11));
|
||||
J = (year + year / 4 + I + 2 - C + C / 4) % 7;
|
||||
|
||||
L = I - J;
|
||||
|
||||
@ -82,12 +82,11 @@ geteaster(char *s, int year)
|
||||
|
||||
if (strncasecmp(s, EASTER, EASTERNAMELEN) == 0)
|
||||
s += EASTERNAMELEN;
|
||||
else if ( neaster.name != NULL
|
||||
&& strncasecmp(s, neaster.name, neaster.len) == 0
|
||||
)
|
||||
else if (neaster.name != NULL
|
||||
&& strncasecmp(s, neaster.name, neaster.len) == 0)
|
||||
s += neaster.len;
|
||||
else
|
||||
return(0);
|
||||
return (0);
|
||||
|
||||
#if DEBUG
|
||||
printf("%s %d %d\n", s, year, EASTERNAMELEN);
|
||||
@ -96,7 +95,7 @@ geteaster(char *s, int year)
|
||||
/* Easter+1 or Easter-2
|
||||
* ^ ^ */
|
||||
|
||||
switch(*s) {
|
||||
switch (*s) {
|
||||
|
||||
case '-':
|
||||
case '+':
|
||||
|
||||
@ -37,7 +37,7 @@ __FBSDID("$FreeBSD$");
|
||||
#define PASKHA "paskha"
|
||||
#define PASKHALEN (sizeof(PASKHA) - 1)
|
||||
|
||||
static int paskha (int);
|
||||
static int paskha(int);
|
||||
|
||||
/* return year day for Orthodox Easter using Gauss formula */
|
||||
/* (old style result) */
|
||||
@ -52,8 +52,8 @@ paskha(int R) /*year*/
|
||||
a = R % 19;
|
||||
b = R % 4;
|
||||
c = R % 7;
|
||||
d = (19*a + x) % 30;
|
||||
e = (2*b + 4*c + 6*d + y) % 7;
|
||||
d = (19 * a + x) % 30;
|
||||
e = (2 * b + 4 * c + 6 * d + y) % 7;
|
||||
return (((cumdays[3] + 1) + 22) + (d + e));
|
||||
}
|
||||
|
||||
@ -66,18 +66,16 @@ getpaskha(char *s, int year)
|
||||
|
||||
if (strncasecmp(s, PASKHA, PASKHALEN) == 0)
|
||||
s += PASKHALEN;
|
||||
else if ( npaskha.name != NULL
|
||||
&& strncasecmp(s, npaskha.name, npaskha.len) == 0
|
||||
)
|
||||
else if (npaskha.name != NULL
|
||||
&& strncasecmp(s, npaskha.name, npaskha.len) == 0)
|
||||
s += npaskha.len;
|
||||
else
|
||||
return 0;
|
||||
|
||||
|
||||
/* Paskha+1 or Paskha-2
|
||||
* ^ ^ */
|
||||
|
||||
switch(*s) {
|
||||
switch (*s) {
|
||||
|
||||
case '-':
|
||||
case '+':
|
||||
@ -89,5 +87,5 @@ getpaskha(char *s, int year)
|
||||
break;
|
||||
}
|
||||
|
||||
return (paskha(year) + offset + 13/* new style */);
|
||||
return (paskha(year) + offset + 13 /* new style */);
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user