version 1.15, 2003/06/03 02:56:06 |
version 1.29, 2015/03/17 19:31:30 |
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* SUCH DAMAGE. |
* SUCH DAMAGE. |
*/ |
*/ |
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#ifndef lint |
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static const char copyright[] = |
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"@(#) Copyright (c) 1989, 1993\n\ |
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The Regents of the University of California. All rights reserved.\n"; |
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#endif /* not lint */ |
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#ifndef lint |
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#if 0 |
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static const char sccsid[] = "@(#)calendar.c 8.3 (Berkeley) 3/25/94"; |
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#else |
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static char rcsid[] = "$OpenBSD$"; |
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#endif |
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#endif /* not lint */ |
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#include <sys/types.h> |
#include <sys/types.h> |
#include <sys/uio.h> |
#include <sys/uio.h> |
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#include <stdlib.h> |
#include <stdlib.h> |
#include <string.h> |
#include <string.h> |
#include <time.h> |
#include <time.h> |
#include <tzfile.h> |
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#include "pathnames.h" |
#include "pathnames.h" |
#include "calendar.h" |
#include "calendar.h" |
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extern struct iovec header[]; |
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#define WEEKLY 1 |
#define WEEKLY 1 |
#define MONTHLY 2 |
#define MONTHLY 2 |
#define YEARLY 3 |
#define YEARLY 3 |
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struct tm *tp; |
struct tm *tp; |
int *cumdays, offset; |
int *cumdays, offset; |
char dayname[10]; |
char dayname[10]; |
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enum calendars calendar; |
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u_long julian; |
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/* 1-based month, 0-based days, cumulative */ |
/* 1-based month, 0-based days, cumulative */ |
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static struct fixs fnmonths[13]; /* full national months names */ |
static struct fixs fnmonths[13]; /* full national months names */ |
static struct fixs nmonths[13]; /* short national month names */ |
static struct fixs nmonths[13]; /* short national month names */ |
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void |
void setnnames(void) |
setnnames(void) |
{ |
{ |
char buf[80]; |
char buf[80]; |
int i, l; |
int i, l; |
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for (i = 0; i < 7; i++) { |
for (i = 0; i < 7; i++) { |
tm.tm_wday = i; |
tm.tm_wday = i; |
l = strftime(buf, sizeof(buf), "%a", &tm); |
l = strftime(buf, sizeof(buf), "%a", &tm); |
for (; l > 0 && isspace((int)buf[l - 1]); l--) |
for (; l > 0 && isspace((unsigned char)buf[l - 1]); l--) |
; |
; |
buf[l] = '\0'; |
buf[l] = '\0'; |
if (ndays[i].name != NULL) |
if (ndays[i].name != NULL) |
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ndays[i].len = strlen(buf); |
ndays[i].len = strlen(buf); |
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l = strftime(buf, sizeof(buf), "%A", &tm); |
l = strftime(buf, sizeof(buf), "%A", &tm); |
for (; l > 0 && isspace((int)buf[l - 1]); l--) |
for (; l > 0 && isspace((unsigned char)buf[l - 1]); l--) |
; |
; |
buf[l] = '\0'; |
buf[l] = '\0'; |
if (fndays[i].name != NULL) |
if (fndays[i].name != NULL) |
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for (i = 0; i < 12; i++) { |
for (i = 0; i < 12; i++) { |
tm.tm_mon = i; |
tm.tm_mon = i; |
l = strftime(buf, sizeof(buf), "%b", &tm); |
l = strftime(buf, sizeof(buf), "%b", &tm); |
for (; l > 0 && isspace((int)buf[l - 1]); l--) |
for (; l > 0 && isspace((unsigned char)buf[l - 1]); l--) |
; |
; |
buf[l] = '\0'; |
buf[l] = '\0'; |
if (nmonths[i].name != NULL) |
if (nmonths[i].name != NULL) |
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nmonths[i].len = strlen(buf); |
nmonths[i].len = strlen(buf); |
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l = strftime(buf, sizeof(buf), "%B", &tm); |
l = strftime(buf, sizeof(buf), "%B", &tm); |
for (; l > 0 && isspace((int)buf[l - 1]); l--) |
for (; l > 0 && isspace((unsigned char)buf[l - 1]); l--) |
; |
; |
buf[l] = '\0'; |
buf[l] = '\0'; |
if (fnmonths[i].name != NULL) |
if (fnmonths[i].name != NULL) |
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fnmonths[i].len = strlen(buf); |
fnmonths[i].len = strlen(buf); |
} |
} |
/* Hardwired special events */ |
/* Hardwired special events */ |
spev[0].name = strdup(EASTER); |
spev[0].name = strdup(PESACH); |
spev[0].nlen = EASTERNAMELEN; |
spev[0].nlen = PESACHLEN; |
spev[0].getev = easter; |
spev[0].getev = pesach; |
spev[1].name = strdup(PASKHA); |
spev[1].name = strdup(EASTER); |
spev[1].nlen = PASKHALEN; |
spev[1].nlen = EASTERNAMELEN; |
spev[1].getev = paskha; |
spev[1].getev = easter; |
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spev[2].name = strdup(PASKHA); |
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spev[2].nlen = PASKHALEN; |
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spev[2].getev = paskha; |
for (i = 0; i < NUMEV; i++) { |
for (i = 0; i < NUMEV; i++) { |
if (spev[i].name == NULL) |
if (spev[i].name == NULL) |
err(1, NULL); |
err(1, NULL); |
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} |
} |
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void |
void |
settime(now) |
settime(time_t *now) |
time_t *now; |
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{ |
{ |
tp = localtime(now); |
tp = localtime(now); |
tp->tm_sec = 0; |
tp->tm_sec = 0; |
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tp->tm_isdst = 0; |
tp->tm_isdst = 0; |
tp->tm_hour = 12; |
tp->tm_hour = 12; |
*now = mktime(tp); |
*now = mktime(tp); |
if (isleap(tp->tm_year + TM_YEAR_BASE)) |
if (isleap(tp->tm_year + 1900)) |
cumdays = daytab[1]; |
cumdays = daytab[1]; |
else |
else |
cumdays = daytab[0]; |
cumdays = daytab[0]; |
/* Friday displays Monday's events */ |
/* Friday displays Monday's events */ |
offset = tp->tm_wday == 5 ? 3 : 1; |
offset = tp->tm_wday == 5 ? 3 : 1; |
if (f_dayAfter) |
if (f_SetdayAfter) |
offset = 0; /* Except not when range is set explicitly */ |
offset = 0; /* Except not when range is set explicitly */ |
header[5].iov_base = dayname; |
header[5].iov_base = dayname; |
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/* convert [Year][Month]Day into unix time (since 1970) |
/* convert [Year][Month]Day into unix time (since 1970) |
* Year: two or four digits, Month: two digits, Day: two digits |
* Year: two or four digits, Month: two digits, Day: two digits |
*/ |
*/ |
time_t Mktime (date) |
time_t |
char *date; |
Mktime(char *date) |
{ |
{ |
time_t t; |
time_t t; |
int len; |
int len; |
struct tm tm; |
struct tm tm; |
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(void)time(&t); |
(void)time(&t); |
tp = localtime(&t); |
tp = localtime(&t); |
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len = strlen(date); |
len = strlen(date); |
if (len < 2) |
if (len < 2) |
return((time_t)-1); |
return((time_t)-1); |
tm.tm_sec = 0; |
bzero(&tm, sizeof tm); |
tm.tm_min = 0; |
tm.tm_sec = 0; |
/* Avoid getting caught by a timezone shift; set time to noon */ |
tm.tm_min = 0; |
tm.tm_isdst = 0; |
/* Avoid getting caught by a timezone shift; set time to noon */ |
tm.tm_hour = 12; |
tm.tm_isdst = 0; |
tm.tm_wday = 0; |
tm.tm_hour = 12; |
tm.tm_mday = tp->tm_mday; |
tm.tm_wday = 0; |
tm.tm_mon = tp->tm_mon; |
tm.tm_mday = tp->tm_mday; |
tm.tm_year = tp->tm_year; |
tm.tm_mon = tp->tm_mon; |
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tm.tm_year = tp->tm_year; |
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/* Day */ |
/* Day */ |
tm.tm_mday = atoi(date + len - 2); |
tm.tm_mday = atoi(date + len - 2); |
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/* Month */ |
/* Month */ |
if (len >= 4) { |
if (len >= 4) { |
*(date + len - 2) = '\0'; |
*(date + len - 2) = '\0'; |
tm.tm_mon = atoi(date + len - 4) - 1; |
tm.tm_mon = atoi(date + len - 4) - 1; |
} |
} |
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/* Year */ |
/* Year */ |
if (len >= 6) { |
if (len >= 6) { |
*(date + len - 4) = '\0'; |
*(date + len - 4) = '\0'; |
tm.tm_year = atoi(date); |
tm.tm_year = atoi(date); |
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/* tm_year up TM_YEAR_BASE ... */ |
if (tm.tm_year < 69) /* Y2K */ |
if (tm.tm_year < 69) /* Y2K */ |
tm.tm_year += 100; |
tm.tm_year += 2000 - TM_YEAR_BASE; |
else if (tm.tm_year > 1900) |
else if (tm.tm_year < 100) |
tm.tm_year -= 1900; |
tm.tm_year += 1900 - TM_YEAR_BASE; |
} |
else if (tm.tm_year > TM_YEAR_BASE) |
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tm.tm_year -= TM_YEAR_BASE; |
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} |
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#if DEBUG |
#if DEBUG |
printf("Mktime: %d %d %d %s\n", (int)mktime(&tm), (int)t, len, |
printf("Mktime: %d %lld %d %s\n", (int)mktime(&tm), (long long)t, len, |
asctime(&tm)); |
asctime(&tm)); |
#endif |
#endif |
return(mktime(&tm)); |
return(mktime(&tm)); |
} |
} |
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static void |
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adjust_calendar(int *day, int *month) |
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{ |
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switch (calendar) { |
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case GREGORIAN: |
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break; |
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case JULIAN: |
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*day += julian; |
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if (*day > (cumdays[*month + 1] - cumdays[*month])) { |
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*day -= (cumdays[*month + 1] - cumdays[*month]); |
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if (++*month > 12) |
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*month = 1; |
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} |
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break; |
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case LUNAR: |
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break; |
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} |
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} |
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/* |
/* |
* Possible date formats include any combination of: |
* Possible date formats include any combination of: |
* 3-charmonth (January, Jan, Jan) |
* 3-charmonth (January, Jan, Jan) |
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* with \t, is shown along with the matched line. |
* with \t, is shown along with the matched line. |
*/ |
*/ |
struct match * |
struct match * |
isnow(endp, bodun) |
isnow(char *endp, int bodun) |
char *endp; |
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int bodun; |
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{ |
{ |
int day = 0, flags = 0, month = 0, v1, v2, i; |
int day = 0, flags = 0, month = 0, v1, v2, i; |
int monthp, dayp, varp = 0; |
int monthp, dayp, varp = 0; |
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/* adjust bodun rate */ |
/* adjust bodun rate */ |
if (bodun && !bodun_always) |
if (bodun && !bodun_always) |
bodun = !(arc4random() % 3); |
bodun = !arc4random_uniform(3); |
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/* Easter or Easter depending days */ |
/* Easter or Easter depending days */ |
if (flags & F_SPECIAL) |
if (flags & F_SPECIAL) |
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if (month == -1) { |
if (month == -1) { |
month = tp->tm_mon + 1; |
month = tp->tm_mon + 1; |
interval = MONTHLY; |
interval = MONTHLY; |
} |
} else if (calendar) |
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adjust_calendar(&day, &month); |
if ((month > 12) || (month < 1)) |
if ((month > 12) || (month < 1)) |
return (NULL); |
return (NULL); |
} |
} |
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day = 1; |
day = 1; |
/* If a weekday was spelled out without an ordering, |
/* If a weekday was spelled out without an ordering, |
* assume the first of that day in the month */ |
* assume the first of that day in the month */ |
if ((flags & F_ISDAY) && (day >= 1) && (day <=7)) |
if ((flags & F_ISDAY)) { |
day += 10; |
if ((day >= 1) && (day <=7)) |
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day += 10; |
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} else if (calendar) |
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adjust_calendar(&day, &month); |
} |
} |
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/* Hm ... */ |
/* Hm ... */ |
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if (month == -1) { |
if (month == -1) { |
month = tp->tm_mon + 1; |
month = tp->tm_mon + 1; |
interval = MONTHLY; |
interval = MONTHLY; |
} |
} else if (calendar) |
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adjust_calendar(&day, &month); |
} |
} |
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/* {Month} {Weekday,Day} ... */ |
/* {Month} {Weekday,Day} ... */ |
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month = v1; |
month = v1; |
/* if no recognizable day, assume the first */ |
/* if no recognizable day, assume the first */ |
day = v2 ? v2 : 1; |
day = v2 ? v2 : 1; |
if ((flags & F_ISDAY) && (day >= 1) && (day <= 7)) |
if ((flags & F_ISDAY)) { |
day += 10; |
if ((day >= 1) && (day <= 7)) |
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day += 10; |
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} else |
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adjust_calendar(&day, &month); |
} |
} |
} |
} |
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*/ |
*/ |
if (tp->tm_yday > 300 && tmtmp.tm_mon <= 1) |
if (tp->tm_yday > 300 && tmtmp.tm_mon <= 1) |
variable_weekday(&vwd, tmtmp.tm_mon + 1, |
variable_weekday(&vwd, tmtmp.tm_mon + 1, |
tmtmp.tm_year + TM_YEAR_BASE + 1); |
tmtmp.tm_year + 1900 + 1); |
else |
else |
variable_weekday(&vwd, tmtmp.tm_mon + 1, |
variable_weekday(&vwd, tmtmp.tm_mon + 1, |
tmtmp.tm_year + TM_YEAR_BASE); |
tmtmp.tm_year + 1900); |
day = cumdays[tmtmp.tm_mon + 1] + vwd; |
day = cumdays[tmtmp.tm_mon + 1] + vwd; |
tmtmp.tm_mday = vwd; |
tmtmp.tm_mday = vwd; |
} |
} |
v2 = day - tp->tm_yday; |
v2 = day - tp->tm_yday; |
if ((v2 > v1) || (v2 < 0)) { |
if ((v2 > v1) || (v2 < 0)) { |
if ((v2 += isleap(tp->tm_year + TM_YEAR_BASE) ? 366 : 365) |
if ((v2 += isleap(tp->tm_year + 1900) ? 366 : 365) |
<= v1) |
<= v1) |
tmtmp.tm_year++; |
tmtmp.tm_year++; |
else if(!bodun || (day - tp->tm_yday) != -1) |
else if(!bodun || (day - tp->tm_yday) != -1) |
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tmp->next = NULL; |
tmp->next = NULL; |
return(tmp); |
return(tmp); |
} |
} |
} |
} else { |
else { |
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varp = 1; |
varp = 1; |
/* Set up v1 to the event number and ... */ |
/* Set up v1 to the event number and ... */ |
v1 = vwd % (NUMEV + 1) - 1; |
v1 = vwd % (NUMEV + 1) - 1; |
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if (vwd) { |
if (vwd) { |
v1 = vwd; |
v1 = vwd; |
variable_weekday(&v1, tmtmp.tm_mon + 1, |
variable_weekday(&v1, tmtmp.tm_mon + 1, |
tmtmp.tm_year + TM_YEAR_BASE); |
tmtmp.tm_year + 1900); |
tmtmp.tm_mday = v1; |
tmtmp.tm_mday = v1; |
} else |
} else |
tmtmp.tm_mday = dayp; |
tmtmp.tm_mday = dayp; |
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if (flags & F_SPECIAL) { |
if (flags & F_SPECIAL) { |
tmtmp.tm_mon = 0; /* Gee, mktime() is nice */ |
tmtmp.tm_mon = 0; /* Gee, mktime() is nice */ |
tmtmp.tm_mday = spev[v1].getev(tmtmp.tm_year + |
tmtmp.tm_mday = spev[v1].getev(tmtmp.tm_year + |
TM_YEAR_BASE) + vwd; |
1900) + vwd; |
} else if (vwd) { |
} else if (vwd) { |
v1 = vwd; |
v1 = vwd; |
variable_weekday(&v1, tmtmp.tm_mon + 1, |
variable_weekday(&v1, tmtmp.tm_mon + 1, |
tmtmp.tm_year + TM_YEAR_BASE); |
tmtmp.tm_year + 1900); |
tmtmp.tm_mday = v1; |
tmtmp.tm_mday = v1; |
} else { |
} else { |
/* Need the following to keep Feb 29 from |
/* Need the following to keep Feb 29 from |
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int |
int |
getmonth(s) |
getmonth(char *s) |
char *s; |
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{ |
{ |
char **p; |
char **p; |
struct fixs *n; |
struct fixs *n; |
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int |
int |
getday(s) |
getday(char *s) |
char *s; |
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{ |
{ |
char **p; |
char **p; |
struct fixs *n; |
struct fixs *n; |
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* ... etc ... |
* ... etc ... |
*/ |
*/ |
int |
int |
getdayvar(s) |
getdayvar(char *s) |
char *s; |
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{ |
{ |
int offset; |
int offset; |
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int |
int |
foy(year) |
foy(int year) |
int year; |
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{ |
{ |
/* 0-6; what weekday Jan 1 is */ |
/* 0-6; what weekday Jan 1 is */ |
year--; |
year--; |
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void |
void |
variable_weekday(day, month, year) |
variable_weekday(int *day, int month, int year) |
int *day, month, year; |
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{ |
{ |
int v1, v2; |
int v1, v2; |
int *cumdays; |
int *cumdays; |