1 /*
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
3 *
4 * Copyright 2013 Olaf Wintermann. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
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 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include <stdlib.h>
30 #include "pool.h"
31
32 #include "date.h"
33
34 char *date_wkday[] = {
35 "Sun",
36 "Mon",
37 "Tue",
38 "Wed",
39 "Thu",
40 "Fri",
41 "Sat"
42 };
43
44 char *date_month[] = {
45 "Jan",
46 "Feb",
47 "Mar",
48 "Apr",
49 "May",
50 "Jun",
51 "Jul",
52 "Aug",
53 "Sep",
54 "Oct",
55 "Nov",
56 "Dec"
57 };
58
59 sstr_t date_format_http(time_t t, pool_handle_t *pool) {
60 sstr_t d;
61 d.ptr = NULL;
62 d.length = 0;
63
64 struct tm date;
65 gmtime_r(&t, &date);
66
67 char *str = pool_malloc(pool, 32);
68 snprintf(
69 str,
70 32,
71 "%s, %02d %s %d %02d:%02d:%02d GMT",
72 date_wkday[date.tm_wday],
73 date.tm_mday,
74 date_month[date.tm_mon],
75 1900 + date.tm_year,
76 date.tm_hour,
77 date.tm_min,
78 date.tm_sec);
79
80 d.length = 29;
81 d.ptr = str;
82
83 return d;
84 }
85
86 sstr_t date_format_iso8601(time_t t, pool_handle_t *pool) {
87 sstr_t d;
88 d.ptr = NULL;
89 d.length = 0;
90
91 struct tm date;
92 gmtime_r(&t, &date);
93
94 char *str = pool_malloc(pool, 24);
95 snprintf(
96 str,
97 24,
98 "%d-%02d-%02dT%02d:%02d:%02dZ",
99 1900 + date.tm_year,
100 date.tm_mon + 1,
101 date.tm_mday,
102 date.tm_hour,
103 date.tm_min,
104 date.tm_sec);
105
106 d.length = 20;
107 d.ptr = str;
108
109 return d;
110 }
111