version 1.2, 1997/09/12 04:12:48 |
version 1.36, 2013/11/26 13:18:53 |
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* 2. Redistributions in binary form must reproduce the above copyright |
* 2. Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* documentation and/or other materials provided with the distribution. |
* 3. All advertising materials mentioning features or use of this software |
* 3. Neither the name of the University nor the names of its contributors |
* must display the following acknowledgement: |
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* This product includes software developed by the University of |
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* California, Berkeley and its contributors. |
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* 4. Neither the name of the University nor the names of its contributors |
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* may be used to endorse or promote products derived from this software |
* may be used to endorse or promote products derived from this software |
* without specific prior written permission. |
* without specific prior written permission. |
* |
* |
|
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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/param.h> |
#include <sys/param.h> |
#include <sys/stat.h> |
#include <sys/stat.h> |
#include <sys/time.h> |
#include <sys/time.h> |
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#include <ctype.h> |
#include <ctype.h> |
#include <err.h> |
#include <err.h> |
#include <errno.h> |
#include <errno.h> |
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#include <fcntl.h> |
#include <locale.h> |
#include <locale.h> |
#include <pwd.h> |
#include <pwd.h> |
#include <stdio.h> |
#include <stdio.h> |
#include <stdlib.h> |
#include <stdlib.h> |
#include <string.h> |
#include <string.h> |
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#include <tzfile.h> |
#include <unistd.h> |
#include <unistd.h> |
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#include "pathnames.h" |
#include "pathnames.h" |
#include "calendar.h" |
#include "calendar.h" |
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char *calendarFile = "calendar"; /* default calendar file */ |
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char *calendarHome = ".calendar"; /* HOME */ |
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char *calendarNoMail = "nomail"; /* don't sent mail if this file exist */ |
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struct fixs neaster, npaskha; |
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struct iovec header[] = { |
struct iovec header[] = { |
{"From: ", 6}, |
{ "From: ", 6 }, |
{NULL, 0}, |
{ NULL, 0 }, |
{" (Reminder Service)\nTo: ", 24}, |
{ " (Reminder Service)\nTo: ", 24 }, |
{NULL, 0}, |
{ NULL, 0 }, |
{"\nSubject: ", 10}, |
{ "\nSubject: ", 10 }, |
{NULL, 0}, |
{ NULL, 0 }, |
{"'s Calendar\nPrecedence: bulk\n\n", 30}, |
{ "'s Calendar\nPrecedence: bulk\n", 29 }, |
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{ "Auto-Submitted: auto-generated\n\n", 32 }, |
}; |
}; |
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void |
void |
cal() |
cal(void) |
{ |
{ |
register int printing; |
int ch, l, i, bodun = 0, bodun_maybe = 0, var, printing; |
register char *p; |
struct event *events, *cur_evt, *ev1, *tmp; |
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char buf[2048 + 1], *prefix = NULL, *p; |
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struct match *m; |
FILE *fp; |
FILE *fp; |
int ch, l; |
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int month; |
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int day; |
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int var; |
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char buf[2048 + 1]; |
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events = NULL; |
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cur_evt = NULL; |
if ((fp = opencal()) == NULL) |
if ((fp = opencal()) == NULL) |
return; |
return; |
for (printing = 0; fgets(buf, sizeof(buf), stdin) != NULL;) { |
for (printing = 0; fgets(buf, sizeof(buf), stdin) != NULL;) { |
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*p = '\0'; |
*p = '\0'; |
else |
else |
while ((ch = getchar()) != '\n' && ch != EOF); |
while ((ch = getchar()) != '\n' && ch != EOF); |
for (l = strlen(buf); |
for (l = strlen(buf); l > 0 && isspace(buf[l - 1]); l--) |
l > 0 && isspace(buf[l - 1]); |
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l--) |
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; |
; |
buf[l] = '\0'; |
buf[l] = '\0'; |
if (buf[0] == '\0') |
if (buf[0] == '\0') |
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if (strncmp(buf, "LANG=", 5) == 0) { |
if (strncmp(buf, "LANG=", 5) == 0) { |
(void) setlocale(LC_ALL, buf + 5); |
(void) setlocale(LC_ALL, buf + 5); |
setnnames(); |
setnnames(); |
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if (!strcmp(buf + 5, "ru_RU.KOI8-R") || |
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!strcmp(buf + 5, "uk_UA.KOI8-U") || |
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!strcmp(buf + 5, "by_BY.KOI8-B")) { |
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bodun_maybe++; |
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bodun = 0; |
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if (prefix) |
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free(prefix); |
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prefix = NULL; |
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} else |
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bodun_maybe = 0; |
continue; |
continue; |
} |
} else if (strncmp(buf, "CALENDAR=", 9) == 0) { |
if (strncasecmp(buf, "Easter=", 7) == 0 && buf[7]) { |
char *ep; |
if (neaster.name != NULL) |
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free(neaster.name); |
if (buf[9] == '\0') |
if ((neaster.name = strdup(buf + 7)) == NULL) |
calendar = 0; |
errx(1, "cannot allocate memory"); |
else if (!strcasecmp(buf + 9, "julian")) { |
neaster.len = strlen(buf + 7); |
calendar = JULIAN; |
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errno = 0; |
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julian = strtoul(buf + 14, &ep, 10); |
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if (buf[0] == '\0' || *ep != '\0') |
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julian = 13; |
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if ((errno == ERANGE && julian == ULONG_MAX) || |
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julian > 14) |
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errx(1, "Julian calendar offset is too large"); |
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} else if (!strcasecmp(buf + 9, "gregorian")) |
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calendar = GREGORIAN; |
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else if (!strcasecmp(buf + 9, "lunar")) |
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calendar = LUNAR; |
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} else if (bodun_maybe && strncmp(buf, "BODUN=", 6) == 0) { |
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bodun++; |
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if (prefix) |
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free(prefix); |
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if ((prefix = strdup(buf + 6)) == NULL) |
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err(1, NULL); |
continue; |
continue; |
} |
} |
if (strncasecmp(buf, "Paskha=", 7) == 0 && buf[7]) { |
/* User defined names for special events */ |
if (npaskha.name != NULL) |
if ((p = strchr(buf, '='))) { |
free(npaskha.name); |
for (i = 0; i < NUMEV; i++) { |
if ((npaskha.name = strdup(buf + 7)) == NULL) |
if (strncasecmp(buf, spev[i].name, |
errx(1, "cannot allocate memory"); |
spev[i].nlen) == 0 && |
npaskha.len = strlen(buf + 7); |
(p - buf == spev[i].nlen) && |
continue; |
buf[spev[i].nlen + 1]) { |
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p++; |
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if (spev[i].uname != NULL) |
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free(spev[i].uname); |
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if ((spev[i].uname = strdup(p)) == NULL) |
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err(1, NULL); |
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spev[i].ulen = strlen(p); |
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i = NUMEV + 1; |
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} |
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} |
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if (i > NUMEV) |
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continue; |
} |
} |
if (buf[0] != '\t') { |
if (buf[0] != '\t') { |
printing = isnow(buf, &month, &day, &var) ? 1 : 0; |
printing = (m = isnow(buf, bodun)) ? 1 : 0; |
if ((p = strchr(buf, '\t')) == NULL) |
if ((p = strchr(buf, '\t')) == NULL) { |
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printing = 0; |
continue; |
continue; |
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} |
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/* Need the following to catch hardwired "variable" |
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* dates */ |
if (p > buf && p[-1] == '*') |
if (p > buf && p[-1] == '*') |
var = 1; |
var = 1; |
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else |
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var = 0; |
if (printing) { |
if (printing) { |
struct tm tm; |
struct match *foo; |
char dbuf[30]; |
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ev1 = NULL; |
tm.tm_sec = 0; /* unused */ |
while (m) { |
tm.tm_min = 0; /* unused */ |
cur_evt = malloc(sizeof(struct event)); |
tm.tm_hour = 0; /* unused */ |
if (cur_evt == NULL) |
tm.tm_wday = 0; /* unused */ |
err(1, NULL); |
tm.tm_mon = month - 1; |
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tm.tm_mday = day; |
cur_evt->when = m->when; |
tm.tm_year = tp->tm_year; /* unused */ |
snprintf(cur_evt->print_date, |
(void)strftime(dbuf, sizeof(dbuf), "%c", &tm); |
sizeof(cur_evt->print_date), "%s%c", |
dbuf[10] = '\0'; |
m->print_date, (var + m->var) ? '*' : ' '); |
(void)fprintf(fp, "%s%c%s\n", |
if (ev1) { |
dbuf + 4/* skip weekdays */, |
cur_evt->desc = ev1->desc; |
var ? '*' : ' ', p); |
cur_evt->ldesc = NULL; |
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} else { |
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if (m->bodun && prefix) { |
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if (asprintf(&cur_evt->ldesc, |
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"\t%s %s", prefix, |
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p + 1) == -1) |
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err(1, NULL); |
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} else if ((cur_evt->ldesc = |
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strdup(p)) == NULL) |
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err(1, NULL); |
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cur_evt->desc = &(cur_evt->ldesc); |
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ev1 = cur_evt; |
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} |
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insert(&events, cur_evt); |
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foo = m; |
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m = m->next; |
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free(foo); |
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} |
} |
} |
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} else if (printing) { |
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if (asprintf(&p, "%s\n%s", ev1->ldesc, |
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buf) == -1) |
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err(1, NULL); |
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free(ev1->ldesc); |
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ev1->ldesc = p; |
} |
} |
else if (printing) |
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fprintf(fp, "%s\n", buf); |
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} |
} |
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tmp = events; |
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while (tmp) { |
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(void)fprintf(fp, "%s%s\n", tmp->print_date, *(tmp->desc)); |
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tmp = tmp->next; |
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} |
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tmp = events; |
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while (tmp) { |
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events = tmp; |
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if (tmp->ldesc) |
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free(tmp->ldesc); |
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tmp = tmp->next; |
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free(events); |
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} |
closecal(fp); |
closecal(fp); |
} |
} |
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int |
int |
getfield(p, endp, flags) |
getfield(char *p, char **endp, int *flags) |
char *p, **endp; |
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int *flags; |
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{ |
{ |
int val, var; |
int val, var, i; |
char *start, savech; |
char *start, savech; |
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for (; !isdigit(*p) && !isalpha(*p) && *p != '*'; ++p) |
for (; !isdigit((unsigned char)*p) && !isalpha((unsigned char)*p) && |
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*p != '*' && *p != '\t'; ++p) |
; |
; |
if (*p == '*') { /* `*' is current month */ |
if (*p == '*') { /* `*' is every month */ |
*flags |= F_ISMONTH; |
*flags |= F_ISMONTH; |
*endp = p+1; |
*endp = p+1; |
return (tp->tm_mon + 1); |
return (-1); /* means 'every month' */ |
} |
} |
if (isdigit(*p)) { |
if (isdigit((unsigned char)*p)) { |
val = strtol(p, &p, 10); /* if 0, it's failure */ |
val = strtol(p, &p, 10); /* if 0, it's failure */ |
for (; !isdigit(*p) && !isalpha(*p) && *p != '*'; ++p) |
for (; !isdigit((unsigned char)*p) && |
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!isalpha((unsigned char)*p) && *p != '*'; ++p) |
; |
; |
*endp = p; |
*endp = p; |
return (val); |
return (val); |
} |
} |
for (start = p; isalpha(*++p);) |
for (start = p; isalpha((unsigned char)*++p);) |
; |
; |
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/* Sunday-1 */ |
/* Sunday-1 */ |
if (*p == '+' || *p == '-') |
if (*p == '+' || *p == '-') |
for(; isdigit(*++p);) |
for(; isdigit((unsigned char)*++p); ) |
; |
; |
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savech = *p; |
savech = *p; |
*p = '\0'; |
*p = '\0'; |
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/* Day */ |
/* Day */ |
else if ((val = getday(start)) != 0) { |
else if ((val = getday(start)) != 0) { |
*flags |= F_ISDAY; |
*flags |= F_ISDAY; |
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/* variable weekday */ |
/* variable weekday */ |
if ((var = getdayvar(start)) != 0) { |
if ((var = getdayvar(start)) != 0) { |
if (var <=5 && var >= -4) |
if (var <= 5 && var >= -4) |
val += var * 10; |
val += var * 10; |
#ifdef DEBUG |
#ifdef DEBUG |
printf("var: %d\n", var); |
printf("var: %d\n", var); |
#endif |
#endif |
} |
} |
} |
} |
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/* Easter */ |
/* Try specials (Easter, Paskha, ...) */ |
else if ((val = geteaster(start, tp->tm_year + 1900)) != 0) |
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*flags |= F_EASTER; |
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/* Paskha */ |
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else if ((val = getpaskha(start, tp->tm_year + 1900)) != 0) |
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*flags |= F_EASTER; |
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/* undefined rest */ |
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else { |
else { |
*p = savech; |
for (i = 0; i < NUMEV; i++) { |
return (0); |
if (strncasecmp(start, spev[i].name, spev[i].nlen) == 0) { |
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start += spev[i].nlen; |
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val = i + 1; |
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i = NUMEV + 1; |
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} else if (spev[i].uname != NULL && |
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strncasecmp(start, spev[i].uname, spev[i].ulen) == 0) { |
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start += spev[i].ulen; |
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val = i + 1; |
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i = NUMEV + 1; |
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} |
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} |
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if (i > NUMEV) { |
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switch(*start) { |
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case '-': |
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case '+': |
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var = atoi(start); |
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if (var > 365 || var < -365) |
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return (0); /* Someone is just being silly */ |
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val += (NUMEV + 1) * var; |
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/* We add one to the matching event and multiply by |
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* (NUMEV + 1) so as not to return 0 if there's a match. |
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* val will overflow if there is an obscenely large |
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* number of special events. */ |
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break; |
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} |
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*flags |= F_SPECIAL; |
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} |
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if (!(*flags & F_SPECIAL)) { |
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/* undefined rest */ |
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*p = savech; |
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return (0); |
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} |
} |
} |
for (*p = savech; !isdigit(*p) && !isalpha(*p) && *p != '*'; ++p) |
for (*p = savech; !isdigit((unsigned char)*p) && |
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!isalpha((unsigned char)*p) && *p != '*' && *p != '\t'; ++p) |
; |
; |
*endp = p; |
*endp = p; |
return (val); |
return (val); |
} |
} |
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char path[MAXPATHLEN]; |
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FILE * |
FILE * |
opencal() |
opencal(void) |
{ |
{ |
int fd, pdes[2]; |
int pdes[2], fdin; |
struct stat sbuf; |
struct stat st; |
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/* open up calendar file as stdin */ |
/* open up calendar file as stdin */ |
if (!freopen(calendarFile, "r", stdin)) { |
if ((fdin = open(calendarFile, O_RDONLY)) == -1 || |
if (doall) { |
fstat(fdin, &st) == -1 || !S_ISREG(st.st_mode)) { |
if (chdir(calendarHome) != 0) |
if (!doall) { |
return (NULL); |
char *home = getenv("HOME"); |
if (stat(calendarNoMail, &sbuf) == 0) |
if (home == NULL || *home == '\0') |
return (NULL); |
errx(1, "cannot get home directory"); |
if (!freopen(calendarFile, "r", stdin)) |
if (!(chdir(home) == 0 && |
return (NULL); |
chdir(calendarHome) == 0 && |
} else { |
(fdin = open(calendarFile, O_RDONLY)) != -1)) |
chdir(getenv("HOME")); |
errx(1, "no calendar file: ``%s'' or ``~/%s/%s''", |
if (!(chdir(calendarHome) == 0 && |
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freopen(calendarFile, "r", stdin))) |
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errx(1, "no calendar file: ``%s'' or ``~/%s/%s", |
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calendarFile, calendarHome, calendarFile); |
calendarFile, calendarHome, calendarFile); |
} |
} |
} |
} |
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if (pipe(pdes) < 0) |
if (pipe(pdes) < 0) |
return (NULL); |
return (NULL); |
switch (vfork()) { |
switch (vfork()) { |
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(void)close(pdes[1]); |
(void)close(pdes[1]); |
return (NULL); |
return (NULL); |
case 0: |
case 0: |
/* child -- stdin already setup, set stdout to pipe input */ |
dup2(fdin, STDIN_FILENO); |
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/* child -- set stdout to pipe input */ |
if (pdes[1] != STDOUT_FILENO) { |
if (pdes[1] != STDOUT_FILENO) { |
(void)dup2(pdes[1], STDOUT_FILENO); |
(void)dup2(pdes[1], STDOUT_FILENO); |
(void)close(pdes[1]); |
(void)close(pdes[1]); |
} |
} |
(void)close(pdes[0]); |
(void)close(pdes[0]); |
(void)setuid(geteuid()); |
/* |
(void)setgid(getegid()); |
* Set stderr to /dev/null. Necessary so that cron does not |
execl(_PATH_CPP, "cpp", "-P", "-I.", _PATH_INCLUDE, NULL); |
* wait for cpp to finish if it's running calendar -a. |
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*/ |
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if (doall) { |
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int fderr; |
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fderr = open(_PATH_DEVNULL, O_WRONLY, 0); |
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if (fderr == -1) |
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_exit(0); |
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(void)dup2(fderr, STDERR_FILENO); |
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(void)close(fderr); |
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} |
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execl(_PATH_CPP, "cpp", "-traditional", "-undef", "-U__GNUC__", |
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"-P", "-I.", _PATH_INCLUDE, (char *)NULL); |
warn(_PATH_CPP); |
warn(_PATH_CPP); |
_exit(1); |
_exit(1); |
} |
} |
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return (stdout); |
return (stdout); |
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/* set output to a temporary file, so if no output don't send mail */ |
/* set output to a temporary file, so if no output don't send mail */ |
(void)snprintf(path, sizeof(path), "%s/_calXXXXXX", _PATH_TMP); |
return(tmpfile()); |
if ((fd = mkstemp(path)) < 0) |
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return (NULL); |
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return (fdopen(fd, "w+")); |
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} |
} |
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void |
void |
closecal(fp) |
closecal(FILE *fp) |
FILE *fp; |
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{ |
{ |
struct stat sbuf; |
struct stat sbuf; |
int nread, pdes[2], status; |
int nread, pdes[2], status; |
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(void)close(pdes[0]); |
(void)close(pdes[0]); |
} |
} |
(void)close(pdes[1]); |
(void)close(pdes[1]); |
(void)setuid(geteuid()); |
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(void)setgid(getegid()); |
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execl(_PATH_SENDMAIL, "sendmail", "-i", "-t", "-F", |
execl(_PATH_SENDMAIL, "sendmail", "-i", "-t", "-F", |
"\"Reminder Service\"", "-f", "root", NULL); |
"\"Reminder Service\"", (char *)NULL); |
warn(_PATH_SENDMAIL); |
warn(_PATH_SENDMAIL); |
_exit(1); |
_exit(1); |
} |
} |
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|
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header[1].iov_base = header[3].iov_base = pw->pw_name; |
header[1].iov_base = header[3].iov_base = pw->pw_name; |
header[1].iov_len = header[3].iov_len = strlen(pw->pw_name); |
header[1].iov_len = header[3].iov_len = strlen(pw->pw_name); |
writev(pdes[1], header, 7); |
writev(pdes[1], header, 8); |
while ((nread = read(fileno(fp), buf, sizeof(buf))) > 0) |
while ((nread = read(fileno(fp), buf, sizeof(buf))) > 0) |
(void)write(pdes[1], buf, nread); |
(void)write(pdes[1], buf, nread); |
(void)close(pdes[1]); |
(void)close(pdes[1]); |
done: (void)fclose(fp); |
done: (void)fclose(fp); |
(void)unlink(path); |
while (wait(&status) >= 0) |
while (wait(&status) >= 0); |
; |
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} |
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|
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void |
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insert(struct event **head, struct event *cur_evt) |
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{ |
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struct event *tmp, *tmp2; |
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|
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if (*head) { |
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/* Insert this one in order */ |
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tmp = *head; |
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tmp2 = NULL; |
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while (tmp->next && |
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tmp->when <= cur_evt->when) { |
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tmp2 = tmp; |
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tmp = tmp->next; |
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} |
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if (tmp->when > cur_evt->when) { |
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cur_evt->next = tmp; |
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if (tmp2) |
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tmp2->next = cur_evt; |
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else |
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*head = cur_evt; |
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} else { |
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cur_evt->next = tmp->next; |
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tmp->next = cur_evt; |
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} |
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} else { |
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*head = cur_evt; |
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cur_evt->next = NULL; |
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} |
} |
} |