1/*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 1989, 1993, 1994
5 *	The Regents of the University of California.  All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 *    may be used to endorse or promote products derived from this software
17 *    without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32#include <sys/cdefs.h>
33#include <ctype.h>
34#include <err.h>
35#include <stdio.h>
36#include <stdlib.h>
37#include <string.h>
38#include <time.h>
39
40#include "calendar.h"
41
42const char *fdays[] = {
43	"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday",
44	"Saturday", NULL,
45};
46
47const char *days[] = {
48	"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat", NULL,
49};
50
51const char *fmonths[] = {
52	"January", "February", "March", "April", "May", "June", "Juli",
53	"August", "September", "October", "November", "December", NULL,
54};
55
56const char *months[] = {
57	"Jan", "Feb", "Mar", "Apr", "May", "Jun",
58	"Jul", "Aug", "Sep", "Oct", "Nov", "Dec", NULL,
59};
60
61const char *sequences[] = {
62	"First", "Second", "Third", "Fourth", "Fifth", "Last"
63};
64
65struct fixs fndays[8];		/* full national days names */
66struct fixs ndays[8];		/* short national days names */
67struct fixs fnmonths[13];	/* full national months names */
68struct fixs nmonths[13];	/* short national month names */
69struct fixs nsequences[10];	/* national sequence names */
70
71
72void
73setnnames(void)
74{
75	char buf[80];
76	int i, l;
77	struct tm tm;
78
79	memset(&tm, 0, sizeof(struct tm));
80	for (i = 0; i < 7; i++) {
81		tm.tm_wday = i;
82		strftime(buf, sizeof(buf), "%a", &tm);
83		for (l = strlen(buf);
84		     l > 0 && isspace((unsigned char)buf[l - 1]);
85		     l--)
86			;
87		buf[l] = '\0';
88		if (ndays[i].name != NULL)
89			free(ndays[i].name);
90		if ((ndays[i].name = strdup(buf)) == NULL)
91			errx(1, "cannot allocate memory");
92		ndays[i].len = strlen(buf);
93
94		strftime(buf, sizeof(buf), "%A", &tm);
95		for (l = strlen(buf);
96		     l > 0 && isspace((unsigned char)buf[l - 1]);
97		     l--)
98			;
99		buf[l] = '\0';
100		if (fndays[i].name != NULL)
101			free(fndays[i].name);
102		if ((fndays[i].name = strdup(buf)) == NULL)
103			errx(1, "cannot allocate memory");
104		fndays[i].len = strlen(buf);
105	}
106
107	memset(&tm, 0, sizeof(struct tm));
108	for (i = 0; i < 12; i++) {
109		tm.tm_mon = i;
110		strftime(buf, sizeof(buf), "%b", &tm);
111		for (l = strlen(buf);
112		     l > 0 && isspace((unsigned char)buf[l - 1]);
113		     l--)
114			;
115		buf[l] = '\0';
116		if (nmonths[i].name != NULL)
117			free(nmonths[i].name);
118		if ((nmonths[i].name = strdup(buf)) == NULL)
119			errx(1, "cannot allocate memory");
120		nmonths[i].len = strlen(buf);
121
122		strftime(buf, sizeof(buf), "%B", &tm);
123		for (l = strlen(buf);
124		     l > 0 && isspace((unsigned char)buf[l - 1]);
125		     l--)
126			;
127		buf[l] = '\0';
128		if (fnmonths[i].name != NULL)
129			free(fnmonths[i].name);
130		if ((fnmonths[i].name = strdup(buf)) == NULL)
131			errx(1, "cannot allocate memory");
132		fnmonths[i].len = strlen(buf);
133	}
134}
135
136void
137setnsequences(char *seq)
138{
139	int i;
140	char *p;
141
142	p = seq;
143	for (i = 0; i < 5; i++) {
144		nsequences[i].name = p;
145		if ((p = strchr(p, ' ')) == NULL) {
146			/* Oh oh there is something wrong. Erase! Erase! */
147			for (i = 0; i < 5; i++) {
148				nsequences[i].name = NULL;
149				nsequences[i].len = 0;
150			}
151			return;
152		}
153		*p = '\0';
154		p++;
155	}
156	nsequences[i].name = p;
157
158	for (i = 0; i < 5; i++) {
159		nsequences[i].name = strdup(nsequences[i].name);
160		nsequences[i].len = nsequences[i + 1].name - nsequences[i].name;
161	}
162	nsequences[i].name = strdup(nsequences[i].name);
163	nsequences[i].len = strlen(nsequences[i].name);
164
165	return;
166}
167