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/* $calcurse: event.c,v 1.1 2006/07/31 21:00:03 culot Exp $ */
/*
* Calcurse - text-based organizer
* Copyright (c) 2004-2006 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 <ncurses.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <time.h>
#include "i18n.h"
#include "event.h"
#include "utils.h"
struct event_s *eventlist;
/* Create a new event */
struct event_s *event_new(char *mesg, long day, int id)
{
struct event_s *o, **i;
o = (struct event_s *) malloc(sizeof(struct event_s));
o->mesg = (char *) malloc(strlen(mesg) + 1);
strcpy(o->mesg, mesg);
o->day = day;
o->id = id;
i = &eventlist;
for (;;) {
if (*i == 0 || (*i)->day > day) {
o->next = *i;
*i = o;
break;
}
i = &(*i)->next;
}
return o;
}
/* Check if the event belongs to the selected day */
unsigned event_inday(struct event_s *i, long start)
{
if (i->day <= start + 3600 * 24 && i->day > start) {
return 1;
}
return 0;
}
/* Write to file the event in user-friendly format */
void event_write(struct event_s *o, FILE * f)
{
struct tm *lt;
time_t t;
t = o->day;
lt = localtime(&t);
fprintf(f, "%02u/%02u/%04u [%d] %s\n",
lt->tm_mon + 1, lt->tm_mday, 1900 + lt->tm_year, o->id, o->mesg);
}
/* Load the events from file */
struct event_s *event_scan(FILE * f, struct tm start, int id)
{
struct tm *lt;
char buf[MESG_MAXSIZE], *nl;
time_t tstart, t;
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 = 12;
start.tm_min = 0;
start.tm_sec = 0;
start.tm_isdst = -1;
start.tm_year -= 1900;
start.tm_mon--;
tstart = mktime(&start);
if (tstart == -1) {
fputs(_("FATAL ERROR in event_scan: date error in the event\n"), stderr);
exit(EXIT_FAILURE);
}
return event_new(buf, tstart, id);
}
/* Delete an event from the list */
void event_delete_bynum(long start, unsigned num)
{
unsigned n;
struct event_s *i, **iptr;
n = 0;
iptr = &eventlist;
for (i = eventlist; i != 0; i = i->next) {
if (event_inday(i, start)) {
if (n == num) {
*iptr = i->next;
free(i->mesg);
free(i);
return;
}
n++;
}
iptr = &i->next;
}
/* NOTREACHED */
fputs(_("FATAL ERROR in event_delete_bynum: no such event\n"), stderr);
exit(EXIT_FAILURE);
}
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