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calcurse-edge/src/recur.c
Frederic Culot 53db22a380 code cleanup
2008-12-12 20:44:50 +00:00

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/* $calcurse: recur.c,v 1.42 2008/12/12 20:44:50 culot Exp $ */
/*
* Calcurse - text-based organizer
* Copyright (c) 2004-2008 Frederic Culot
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
* Send your feedback or comments to : calcurse@culot.org
* Calcurse home page : http://culot.org/calcurse
*
*/
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <sys/types.h>
#include <time.h>
#include "i18n.h"
#include "utils.h"
#include "notify.h"
#include "day.h"
#include "keys.h"
#include "recur.h"
recur_apoint_llist_t *recur_alist_p;
struct recur_event_s *recur_elist;
int
recur_apoint_llist_init (void)
{
recur_alist_p = (recur_apoint_llist_t *)
malloc (sizeof (recur_apoint_llist_t));
recur_alist_p->root = NULL;
pthread_mutex_init (&(recur_alist_p->mutex), NULL);
return (0);
}
/* Insert a new recursive appointment in the general linked list */
recur_apoint_llist_node_t *
recur_apoint_new (char *mesg, char *note, long start, long dur, char state,
int type, int freq, long until, struct days_s *except)
{
recur_apoint_llist_node_t *o, **i;
o = (recur_apoint_llist_node_t *)
malloc (sizeof (recur_apoint_llist_node_t));
o->rpt = (struct rpt_s *) malloc (sizeof (struct rpt_s));
o->mesg = (char *) malloc (strlen (mesg) + 1);
strncpy (o->mesg, mesg, strlen (mesg) + 1);
o->note = (note != NULL) ? strdup (note) : NULL;
o->start = start;
o->state = state;
o->dur = dur;
o->rpt->type = type;
o->rpt->freq = freq;
o->rpt->until = until;
o->exc = except;
pthread_mutex_lock (&(recur_alist_p->mutex));
i = &recur_alist_p->root;
for (;;)
{
if (*i == 0 || (*i)->start > start)
{
o->next = *i;
*i = o;
break;
}
i = &(*i)->next;
}
pthread_mutex_unlock (&(recur_alist_p->mutex));
return (o);
}
/* Insert a new recursive event in the general linked list */
struct recur_event_s *
recur_event_new (char *mesg, char *note, long day, int id, int type, int freq,
long until, struct days_s *except)
{
struct recur_event_s *o, **i;
o = (struct recur_event_s *) malloc (sizeof (struct recur_event_s));
o->rpt = (struct rpt_s *) malloc (sizeof (struct rpt_s));
o->mesg = (char *) malloc (strlen (mesg) + 1);
o->note = (note != NULL) ? strdup (note) : NULL;
strncpy (o->mesg, mesg, strlen (mesg) + 1);
o->day = day;
o->id = id;
o->rpt->type = type;
o->rpt->freq = freq;
o->rpt->until = until;
o->exc = except;
i = &recur_elist;
for (;;)
{
if (*i == 0 || (*i)->day > day)
{
o->next = *i;
*i = o;
break;
}
i = &(*i)->next;
}
return (o);
}
/*
* Correspondance between the defines on recursive type,
* and the letter to be written in file.
*/
char
recur_def2char (recur_types_t define)
{
char recur_char;
char *error = _("FATAL ERROR in recur_def2char: unknown recur type\n");
switch (define)
{
case RECUR_DAILY:
recur_char = 'D';
break;
case RECUR_WEEKLY:
recur_char = 'W';
break;
case RECUR_MONTHLY:
recur_char = 'M';
break;
case RECUR_YEARLY:
recur_char = 'Y';
break;
default:
fputs (error, stderr);
exit (EXIT_FAILURE);
}
return (recur_char);
}
/*
* Correspondance between the letters written in file and the defines
* concerning the recursive type.
*/
int
recur_char2def (char type)
{
int recur_def;
char *error = _("FATAL ERROR in recur_char2def: unknown char\n");
switch (type)
{
case 'D':
recur_def = RECUR_DAILY;
break;
case 'W':
recur_def = RECUR_WEEKLY;
break;
case 'M':
recur_def = RECUR_MONTHLY;
break;
case 'Y':
recur_def = RECUR_YEARLY;
break;
default:
fputs (error, stderr);
exit (EXIT_FAILURE);
}
return (recur_def);
}
/* Write days for which recurrent items should not be repeated. */
static void
recur_write_exc (struct days_s *exc, FILE *f)
{
struct tm *lt;
time_t t;
int st_mon, st_day, st_year;
while (exc)
{
t = exc->st;
lt = localtime (&t);
st_mon = lt->tm_mon + 1;
st_day = lt->tm_mday;
st_year = lt->tm_year + 1900;
fprintf (f, " !%02u/%02u/%04u", st_mon, st_day, st_year);
exc = exc->next;
}
}
/* Load the recursive appointment description */
recur_apoint_llist_node_t *
recur_apoint_scan (FILE *f, struct tm start, struct tm end, char type,
int freq, struct tm until, char *note, struct days_s *exc,
char state)
{
struct tm *lt;
char buf[MESG_MAXSIZE], *nl;
time_t tstart, tend, t, tuntil;
t = time (NULL);
lt = localtime (&t);
/* Read the appointment description */
fgets (buf, MESG_MAXSIZE, f);
nl = strchr (buf, '\n');
if (nl)
{
*nl = '\0';
}
start.tm_sec = end.tm_sec = 0;
start.tm_isdst = end.tm_isdst = -1;
start.tm_year -= 1900;
start.tm_mon--;
end.tm_year -= 1900;
end.tm_mon--;
tstart = mktime (&start);
tend = mktime (&end);
if (until.tm_year != 0)
{
until.tm_hour = 23;
until.tm_min = 59;
until.tm_sec = 0;
until.tm_isdst = -1;
until.tm_year -= 1900;
until.tm_mon--;
tuntil = mktime (&until);
}
else
{
tuntil = 0;
}
if (tstart == -1 || tend == -1 || tstart > tend || tuntil == -1)
{
fputs (_("FATAL ERROR in apoint_scan: date error in the appointment\n"),
stderr);
exit (EXIT_FAILURE);
}
return (recur_apoint_new (buf, note, tstart, tend - tstart, state,
recur_char2def (type), freq, tuntil, exc));
}
/* Load the recursive events from file */
struct recur_event_s *
recur_event_scan (FILE *f, struct tm start, int id, char type, int freq,
struct tm until, char *note, struct days_s *exc)
{
struct tm *lt;
char buf[MESG_MAXSIZE], *nl;
time_t tstart, t, tuntil;
t = time (NULL);
lt = localtime (&t);
/* Read the event description */
fgets (buf, MESG_MAXSIZE, f);
nl = strchr (buf, '\n');
if (nl)
{
*nl = '\0';
}
start.tm_hour = until.tm_hour = 12;
start.tm_min = until.tm_min = 0;
start.tm_sec = until.tm_sec = 0;
start.tm_isdst = until.tm_isdst = -1;
start.tm_year -= 1900;
start.tm_mon--;
if (until.tm_year != 0)
{
until.tm_year -= 1900;
until.tm_mon--;
tuntil = mktime (&until);
}
else
{
tuntil = 0;
}
tstart = mktime (&start);
if ((tstart == -1) || (tuntil == -1))
{
fputs (_("FATAL ERROR in recur_event_scan: "
"date error in the event\n"), stderr);
exit (EXIT_FAILURE);
}
return (recur_event_new (buf, note, tstart, id, recur_char2def (type),
freq, tuntil, exc));
}
/* Writting of a recursive appointment into file. */
static void
recur_apoint_write (recur_apoint_llist_node_t *o, FILE *f)
{
struct tm *lt;
time_t t;
t = o->start;
lt = localtime (&t);
fprintf (f, "%02u/%02u/%04u @ %02u:%02u",
lt->tm_mon + 1, lt->tm_mday, 1900 + lt->tm_year,
lt->tm_hour, lt->tm_min);
t = o->start + o->dur;
lt = localtime (&t);
fprintf (f, " -> %02u/%02u/%04u @ %02u:%02u",
lt->tm_mon + 1, lt->tm_mday, 1900 + lt->tm_year,
lt->tm_hour, lt->tm_min);
t = o->rpt->until;
if (t == 0)
{ /* We have an endless recurrent appointment. */
fprintf (f, " {%d%c", o->rpt->freq, recur_def2char (o->rpt->type));
}
else
{
lt = localtime (&t);
fprintf (f, " {%d%c -> %02u/%02u/%04u",
o->rpt->freq, recur_def2char (o->rpt->type),
lt->tm_mon + 1, lt->tm_mday, 1900 + lt->tm_year);
}
if (o->exc != 0)
recur_write_exc (o->exc, f);
fprintf (f, "} ");
if (o->note != NULL)
fprintf (f, ">%s ", o->note);
if (o->state & APOINT_NOTIFY)
fprintf (f, "!");
else
fprintf (f, "|");
fprintf (f, "%s\n", o->mesg);
}
/* Writting of a recursive event into file. */
static void
recur_event_write (struct recur_event_s *o, FILE *f)
{
struct tm *lt;
time_t t;
int st_mon, st_day, st_year;
int end_mon, end_day, end_year;
t = o->day;
lt = localtime (&t);
st_mon = lt->tm_mon + 1;
st_day = lt->tm_mday;
st_year = lt->tm_year + 1900;
t = o->rpt->until;
if (t == 0)
{ /* We have an endless recurrent event. */
fprintf (f, "%02u/%02u/%04u [%d] {%d%c",
st_mon, st_day, st_year, o->id, o->rpt->freq,
recur_def2char (o->rpt->type));
}
else
{
lt = localtime (&t);
end_mon = lt->tm_mon + 1;
end_day = lt->tm_mday;
end_year = lt->tm_year + 1900;
fprintf (f, "%02u/%02u/%04u [%d] {%d%c -> %02u/%02u/%04u",
st_mon, st_day, st_year, o->id,
o->rpt->freq, recur_def2char (o->rpt->type),
end_mon, end_day, end_year);
}
if (o->exc != 0)
recur_write_exc (o->exc, f);
fprintf (f, "} ");
if (o->note != NULL)
fprintf (f, ">%s ", o->note);
fprintf (f, "%s\n", o->mesg);
}
/* Write recursive items to file. */
void
recur_save_data (FILE *f)
{
struct recur_event_s *re;
recur_apoint_llist_node_t *ra;
for (re = recur_elist; re != 0; re = re->next)
recur_event_write (re, f);
pthread_mutex_lock (&(recur_alist_p->mutex));
for (ra = recur_alist_p->root; ra != 0; ra = ra->next)
recur_apoint_write (ra, f);
pthread_mutex_unlock (&(recur_alist_p->mutex));
}
/* Given a day as long, check if this day belongs to the list of exceptions for
* the considered item.
*/
int
recur_day_is_exc (long day, struct days_s *item_exc)
{
const int NOT_EXC = 0;
const int EXC = 1;
struct days_s *exc;
for (exc = item_exc; exc != 0; exc = exc->next)
{
if (exc->st == day)
return EXC;
}
return NOT_EXC;
}
/*
* Check if the recurrent item belongs to the selected day,
* and if yes, return the real start time.
* This function was improved thanks to Tony's patch.
*/
unsigned
recur_item_inday (long item_start, struct days_s *item_exc, int rpt_type,
int rpt_freq, long rpt_until, long day_start)
{
date_t start_date;
long day_end, diff;
struct tm lt_item, lt_day;
struct days_s *exc;
time_t t;
char *error = _("FATAL ERROR in recur_item_inday: unknown item type\n");
day_end = day_start + DAYINSEC;
t = day_start;
lt_day = *localtime (&t);
for (exc = item_exc; exc != 0; exc = exc->next)
if (exc->st < day_end && exc->st >= day_start)
return (0);
if (rpt_until == 0) /* we have an endless recurrent item */
rpt_until = day_end;
if (item_start > day_end || rpt_until < day_start)
return (0);
t = item_start;
lt_item = *localtime (&t);
/* For proper calculation, both items must start at same time. */
day_start += (lt_item.tm_hour * HOURINSEC + lt_item.tm_min * MININSEC +
lt_item.tm_sec);
switch (rpt_type)
{
case RECUR_DAILY:
diff = (long) difftime ((time_t) day_start, (time_t) item_start);
if (diff % (rpt_freq * DAYINSEC) != 0)
return (0);
lt_item.tm_mday = lt_day.tm_mday;
lt_item.tm_mon = lt_day.tm_mon;
lt_item.tm_year = lt_day.tm_year;
break;
case RECUR_WEEKLY:
if (lt_item.tm_wday != lt_day.tm_wday)
return (0);
else
{
diff = ((lt_day.tm_yday - lt_item.tm_yday) / WEEKINDAYS);
if (diff % rpt_freq != 0)
return (0);
}
lt_item.tm_mday = lt_day.tm_mday;
lt_item.tm_mon = lt_day.tm_mon;
lt_item.tm_year = lt_day.tm_year;
break;
case RECUR_MONTHLY:
diff = (((lt_day.tm_year - lt_item.tm_year) * 12)
+ (lt_day.tm_mon - lt_item.tm_mon));
if (diff % rpt_freq != 0)
return (0);
lt_item.tm_mon = lt_day.tm_mon;
lt_item.tm_year = lt_day.tm_year;
break;
case RECUR_YEARLY:
diff = lt_day.tm_year - lt_item.tm_year;
if (diff % rpt_freq != 0)
return (0);
lt_item.tm_year = lt_day.tm_year;
break;
default:
fputs (error, stderr);
exit (EXIT_FAILURE);
}
start_date.dd = lt_item.tm_mday;
start_date.mm = lt_item.tm_mon + 1;
start_date.yyyy = lt_item.tm_year + 1900;
item_start = date2sec (start_date, lt_item.tm_hour, lt_item.tm_min);
if (item_start < day_end && item_start >= day_start)
return (item_start);
else
return (0);
}
/*
* Delete a recurrent event from the list (if delete_whole is not null),
* or delete only one occurence of the recurrent event.
*/
void
recur_event_erase (long start, unsigned num, unsigned delete_whole,
erase_flag_e flag)
{
unsigned n = 0;
struct recur_event_s *i, **iptr;
struct days_s *o, **j;
iptr = &recur_elist;
for (i = recur_elist; i != 0; i = i->next)
{
if (recur_item_inday (i->day, i->exc, i->rpt->type,
i->rpt->freq, i->rpt->until, start))
{
if (n == num)
{
if (delete_whole)
{
if (flag == ERASE_FORCE_ONLY_NOTE)
erase_note (&i->note, flag);
else
{
*iptr = i->next;
free (i->mesg);
free (i->rpt);
free (i->exc);
erase_note (&i->note, flag);
free (i);
}
return;
}
else
{
o = (struct days_s *) malloc (sizeof (struct days_s));
o->st = start;
j = &i->exc;
for (;;)
{
if (*j == 0 || (*j)->st > start)
{
o->next = *j;
*j = o;
break;
}
j = &(*j)->next;
}
return;
}
}
n++;
}
iptr = &i->next;
}
/* NOTREACHED */
fputs (_("FATAL ERROR in recur_event_erase: no such event\n"), stderr);
exit (EXIT_FAILURE);
}
/*
* Delete a recurrent appointment from the list (if delete_whole is not null),
* or delete only one occurence of the recurrent appointment.
*/
void
recur_apoint_erase (long start, unsigned num, unsigned delete_whole,
erase_flag_e flag)
{
unsigned n = 0;
recur_apoint_llist_node_t *i, **iptr;
struct days_s *o, **j;
int need_check_notify = 0;
pthread_mutex_lock (&(recur_alist_p->mutex));
iptr = &recur_alist_p->root;
for (i = recur_alist_p->root; i != 0; i = i->next)
{
if (recur_item_inday (i->start, i->exc, i->rpt->type,
i->rpt->freq, i->rpt->until, start))
{
if (n == num)
{
if (notify_bar () && flag != ERASE_FORCE_ONLY_NOTE)
need_check_notify = notify_same_recur_item (i);
if (delete_whole)
{
if (flag == ERASE_FORCE_ONLY_NOTE)
erase_note (&i->note, flag);
else
{
*iptr = i->next;
free (i->mesg);
free (i->rpt);
free (i->exc);
erase_note (&i->note, flag);
free (i);
pthread_mutex_unlock (&(recur_alist_p->mutex));
if (need_check_notify)
notify_check_next_app ();
}
return;
}
else
{
o = (struct days_s *) malloc (sizeof (struct days_s));
o->st = start;
j = &i->exc;
for (;;)
{
if (*j == 0 || (*j)->st > start)
{
o->next = *j;
*j = o;
break;
}
j = &(*j)->next;
}
pthread_mutex_unlock (&(recur_alist_p->mutex));
if (need_check_notify)
notify_check_next_app ();
return;
}
}
n++;
}
iptr = &i->next;
}
/* NOTREACHED */
fputs (_("FATAL ERROR in recur_apoint_erase: no such appointment\n"),
stderr);
exit (EXIT_FAILURE);
}
/*
* Ask user for repetition characteristics:
* o repetition type: daily, weekly, monthly, yearly
* o repetition frequence: every X days, weeks, ...
* o repetition end date
* and then delete the selected item to recreate it as a recurrent one
*/
void
recur_repeat_item (conf_t *conf)
{
struct tm *lt;
time_t t;
int ch = 0;
int date_entered = 0;
int year = 0, month = 0, day = 0;
date_t until_date;
char outstr[BUFSIZ];
char user_input[BUFSIZ] = "";
char *mesg_type_1 =
_("Enter the repetition type: (D)aily, (W)eekly, (M)onthly, (Y)early");
char *mesg_type_2 = _("[D/W/M/Y] ");
char *mesg_freq_1 = _("Enter the repetition frequence:");
char *mesg_wrong_freq = _("The frequence you entered is not valid.");
char *mesg_until_1 =
_("Enter the ending date: [%s] or '0' for an endless repetition");
char *mesg_wrong_1 = _("The entered date is not valid.");
char *mesg_wrong_2 =
_("Possible formats are [%s] or '0' for an endless repetition");
char *wrong_type_1 = _("This item is already a repeated one.");
char *wrong_type_2 = _("Press [ENTER] to continue.");
char *mesg_older =
_("Sorry, the date you entered is older than the item start time.");
int type = 0, freq = 0;
int item_nb;
struct day_item_s *p;
recur_apoint_llist_node_t *ra;
struct recur_event_s *re;
long until, date;
item_nb = apoint_hilt ();
p = day_get_item (item_nb);
if (p->type != APPT && p->type != EVNT)
{
status_mesg (wrong_type_1, wrong_type_2);
ch = wgetch (win[STA].p);
return;
}
while ((ch != 'D') && (ch != 'W') && (ch != 'M')
&& (ch != 'Y') && (ch != ESCAPE))
{
status_mesg (mesg_type_1, mesg_type_2);
ch = wgetch (win[STA].p);
ch = toupper (ch);
}
if (ch == ESCAPE)
{
return;
}
else
{
type = recur_char2def (ch);
ch = 0;
}
while (freq == 0)
{
status_mesg (mesg_freq_1, "");
if (getstring (win[STA].p, user_input, BUFSIZ, 0, 1) == GETSTRING_VALID)
{
freq = atoi (user_input);
if (freq == 0)
{
status_mesg (mesg_wrong_freq, wrong_type_2);
(void)wgetch (win[STA].p);
}
user_input[0] = '\0';
}
else
return;
}
while (!date_entered)
{
snprintf (outstr, BUFSIZ, mesg_until_1,
DATEFMT_DESC (conf->input_datefmt));
status_mesg (_(outstr), "");
if (getstring (win[STA].p, user_input, BUFSIZ, 0, 1) == GETSTRING_VALID)
{
if (strlen (user_input) == 1 && strncmp (user_input, "0", 1) == 0)
{
until = 0;
date_entered = 1;
}
else
{
if (parse_date (user_input, conf->input_datefmt,
&year, &month, &day))
{
t = p->start;
lt = localtime (&t);
until_date.dd = day;
until_date.mm = month;
until_date.yyyy = year;
until = date2sec (until_date, lt->tm_hour, lt->tm_min);
if (until < p->start)
{
status_mesg (mesg_older, wrong_type_2);
(void)wgetch (win[STA].p);
date_entered = 0;
}
else
{
date_entered = 1;
}
}
else
{
snprintf (outstr, BUFSIZ, mesg_wrong_2,
DATEFMT_DESC (conf->input_datefmt));
status_mesg (mesg_wrong_1, _(outstr));
(void)wgetch (win[STA].p);
date_entered = 0;
}
}
}
else
return;
}
date = calendar_get_slctd_day_sec ();
if (p->type == EVNT)
{
re = recur_event_new (p->mesg, p->note, p->start, p->evnt_id,
type, freq, until, NULL);
}
else if (p->type == APPT)
{
ra = recur_apoint_new (p->mesg, p->note, p->start, p->appt_dur,
p->state, type, freq, until, NULL);
if (notify_bar ())
notify_check_repeated (ra);
}
else
{ /* NOTREACHED */
fputs (_("FATAL ERROR in recur_repeat_item: wrong item type\n"),
stderr);
exit (EXIT_FAILURE);
}
day_erase_item (date, item_nb, ERASE_FORCE_KEEP_NOTE);
}
/*
* Read days for which recurrent items must not be repeated
* (such days are called exceptions).
*/
struct days_s *
recur_exc_scan (FILE *data_file)
{
int c = 0;
struct tm *lt, day;
time_t t;
struct days_s *exc_head, *exc;
exc_head = NULL;
t = time (NULL);
lt = localtime (&t);
day = *lt;
while ((c = getc (data_file)) == '!')
{
ungetc (c, data_file);
if (fscanf (data_file, "!%u / %u / %u ",
&day.tm_mon, &day.tm_mday, &day.tm_year) != 3)
{
fputs (_("FATAL ERROR in recur_exc_scan: "
"syntax error in the item date\n"), stderr);
exit (EXIT_FAILURE);
}
day.tm_sec = 0;
day.tm_isdst = -1;
day.tm_year -= 1900;
day.tm_mon--;
exc = (struct days_s *) malloc (sizeof (struct days_s));
exc->st = mktime (&day);
exc->next = exc_head;
exc_head = exc;
}
return (exc_head);
}
/*
* Look in the appointment list if we have an item which starts before the item
* stored in the notify_app structure (which is the next item to be notified).
*/
struct notify_app_s *
recur_apoint_check_next (struct notify_app_s *app, long start, long day)
{
recur_apoint_llist_node_t *i;
long real_recur_start_time;
pthread_mutex_lock (&(recur_alist_p->mutex));
for (i = recur_alist_p->root; i != 0; i = i->next)
{
if (i->start > app->time)
{
pthread_mutex_unlock (&(recur_alist_p->mutex));
return (app);
}
else
{
real_recur_start_time =
recur_item_inday (i->start, i->exc, i->rpt->type, i->rpt->freq,
i->rpt->until, day);
if (real_recur_start_time > start)
{
app->time = real_recur_start_time;
app->txt = strdup (i->mesg);
app->state = i->state;
app->got_app = 1;
}
}
}
pthread_mutex_unlock (&(recur_alist_p->mutex));
return (app);
}
/* Returns a structure containing the selected recurrent appointment. */
recur_apoint_llist_node_t *
recur_get_apoint (long date, int num)
{
recur_apoint_llist_node_t *o;
int n = 0;
pthread_mutex_lock (&(recur_alist_p->mutex));
for (o = recur_alist_p->root; o != 0; o = o->next)
{
if (recur_item_inday (o->start, o->exc, o->rpt->type,
o->rpt->freq, o->rpt->until, date))
{
if (n == num)
{
pthread_mutex_unlock (&(recur_alist_p->mutex));
return (o);
}
n++;
}
}
/* NOTREACHED */
fputs (_("FATAL ERROR in recur_get_apoint: no such item\n"), stderr);
exit (EXIT_FAILURE);
}
/* Returns a structure containing the selected recurrent event. */
struct recur_event_s *
recur_get_event (long date, int num)
{
struct recur_event_s *o;
int n = 0;
for (o = recur_elist; o != 0; o = o->next)
{
if (recur_item_inday (o->day, o->exc, o->rpt->type,
o->rpt->freq, o->rpt->until, date))
{
if (n == num)
{
return (o);
}
n++;
}
}
/* NOTREACHED */
fputs (_("FATAL ERROR in recur_get_event: no such item\n"), stderr);
exit (EXIT_FAILURE);
}
/* Switch recurrent item notification state. */
void
recur_apoint_switch_notify (long date, int recur_nb)
{
int n, need_chk_notify;
recur_apoint_llist_node_t *o;
n = 0;
need_chk_notify = 0;
pthread_mutex_lock (&(recur_alist_p->mutex));
for (o = recur_alist_p->root; o != 0; o = o->next)
{
if (recur_item_inday (o->start, o->exc, o->rpt->type,
o->rpt->freq, o->rpt->until, date))
{
if (n == recur_nb)
{
o->state ^= APOINT_NOTIFY;
if (notify_bar ())
notify_check_repeated (o);
pthread_mutex_unlock (&(recur_alist_p->mutex));
if (need_chk_notify)
notify_check_next_app ();
return;
}
n++;
}
}
/* NOTREACHED */
fputs (_("FATAL ERROR in recur_apoint_switch_notify: no such item\n"),
stderr);
exit (EXIT_FAILURE);
}
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