1/*-
2 * Copyright (c) 1992-2009 Edwin Groothuis <edwin@FreeBSD.org>.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 */
27
28#include <sys/cdefs.h>
29__FBSDID("$FreeBSD$");
30
31#include <sys/time.h>
32#include <err.h>
33#include <stdio.h>
34#include <stdlib.h>
35#include <string.h>
36
37#include "pathnames.h"
38#include "calendar.h"
39
40struct event *
41event_add(int year, int month, int day, char *date, int var, char *txt,
42    char *extra)
43{
44	struct event *e;
45
46	/*
47	 * Creating a new event:
48	 * - Create a new event
49	 * - Copy the machine readable day and month
50	 * - Copy the human readable and language specific date
51	 * - Copy the text of the event
52	 */
53	e = (struct event *)calloc(1, sizeof(struct event));
54	if (e == NULL)
55		errx(1, "event_add: cannot allocate memory");
56	e->month = month;
57	e->day = day;
58	e->var = var;
59	e->date = strdup(date);
60	if (e->date == NULL)
61		errx(1, "event_add: cannot allocate memory");
62	e->text = strdup(txt);
63	if (e->text == NULL)
64		errx(1, "event_add: cannot allocate memory");
65	e->extra = NULL;
66	if (extra != NULL && extra[0] != '\0')
67		e->extra = strdup(extra);
68	addtodate(e, year, month, day);
69	return (e);
70}
71
72void
73event_continue(struct event *e, char *txt)
74{
75	char *text;
76
77	/*
78	 * Adding text to the event:
79	 * - Save a copy of the old text (unknown length, so strdup())
80	 * - Allocate enough space for old text + \n + new text + 0
81	 * - Store the old text + \n + new text
82	 * - Destroy the saved copy.
83	 */
84	text = strdup(e->text);
85	if (text == NULL)
86		errx(1, "event_continue: cannot allocate memory");
87
88	free(e->text);
89	e->text = (char *)malloc(strlen(text) + strlen(txt) + 3);
90	if (e->text == NULL)
91		errx(1, "event_continue: cannot allocate memory");
92	strcpy(e->text, text);
93	strcat(e->text, "\n");
94	strcat(e->text, txt);
95	free(text);
96
97	return;
98}
99
100void
101event_print_all(FILE *fp)
102{
103	struct event *e;
104
105	while (walkthrough_dates(&e) != 0) {
106#ifdef DEBUG
107		fprintf(stderr, "event_print_allmonth: %d, day: %d\n",
108		    month, day);
109#endif
110
111		/*
112		 * Go through all events and print the text of the matching
113		 * dates
114		 */
115		while (e != NULL) {
116			(void)fprintf(fp, "%s%c%s%s%s%s\n", e->date,
117			    e->var ? '*' : ' ', e->text,
118			    e->extra != NULL ? " (" : "",
119			    e->extra != NULL ? e->extra : "",
120			    e->extra != NULL ? ")" : ""
121			);
122
123			e = e->next;
124		}
125	}
126}
127