1 /* Licensed to the Apache Software Foundation (ASF) under one or more
2 * contributor license agreements. See the NOTICE file distributed with
3 * this work for additional information regarding copyright ownership.
4 * The ASF licenses this file to You under the Apache License, Version 2.0
5 * (the "License"); you may not use this file except in compliance with
6 * the License. You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "apr_portable.h"
18 #include "apr_time.h"
19 #include "apr_lib.h"
20 #include "apr_private.h"
21 /* System Headers required for time library */
22 #if APR_HAVE_SYS_TIME_H
23 #include <sys/time.h>
24 #endif
25 #ifdef HAVE_TIME_H
26 #include <time.h>
27 #endif
28 #if APR_HAVE_STRING_H
29 #include <string.h>
30 #endif
31 /* End System Headers */
32
33 APR_DECLARE_DATA const char apr_month_snames[12][4] =
34 {
35 "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
36 };
37 APR_DECLARE_DATA const char apr_day_snames[7][4] =
38 {
39 "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"
40 };
41
apr_rfc822_date(char * date_str,apr_time_t t)42 apr_status_t apr_rfc822_date(char *date_str, apr_time_t t)
43 {
44 apr_time_exp_t xt;
45 const char *s;
46 int real_year;
47
48 apr_time_exp_gmt(&xt, t);
49
50 /* example: "Sat, 08 Jan 2000 18:31:41 GMT" */
51 /* 12345678901234567890123456789 */
52
53 s = &apr_day_snames[xt.tm_wday][0];
54 *date_str++ = *s++;
55 *date_str++ = *s++;
56 *date_str++ = *s++;
57 *date_str++ = ',';
58 *date_str++ = ' ';
59 *date_str++ = xt.tm_mday / 10 + '0';
60 *date_str++ = xt.tm_mday % 10 + '0';
61 *date_str++ = ' ';
62 s = &apr_month_snames[xt.tm_mon][0];
63 *date_str++ = *s++;
64 *date_str++ = *s++;
65 *date_str++ = *s++;
66 *date_str++ = ' ';
67 real_year = 1900 + xt.tm_year;
68 /* This routine isn't y10k ready. */
69 *date_str++ = real_year / 1000 + '0';
70 *date_str++ = real_year % 1000 / 100 + '0';
71 *date_str++ = real_year % 100 / 10 + '0';
72 *date_str++ = real_year % 10 + '0';
73 *date_str++ = ' ';
74 *date_str++ = xt.tm_hour / 10 + '0';
75 *date_str++ = xt.tm_hour % 10 + '0';
76 *date_str++ = ':';
77 *date_str++ = xt.tm_min / 10 + '0';
78 *date_str++ = xt.tm_min % 10 + '0';
79 *date_str++ = ':';
80 *date_str++ = xt.tm_sec / 10 + '0';
81 *date_str++ = xt.tm_sec % 10 + '0';
82 *date_str++ = ' ';
83 *date_str++ = 'G';
84 *date_str++ = 'M';
85 *date_str++ = 'T';
86 *date_str++ = 0;
87 return APR_SUCCESS;
88 }
89
apr_ctime(char * date_str,apr_time_t t)90 apr_status_t apr_ctime(char *date_str, apr_time_t t)
91 {
92 apr_time_exp_t xt;
93 const char *s;
94 int real_year;
95
96 /* example: "Wed Jun 30 21:49:08 1993" */
97 /* 123456789012345678901234 */
98
99 apr_time_exp_lt(&xt, t);
100 s = &apr_day_snames[xt.tm_wday][0];
101 *date_str++ = *s++;
102 *date_str++ = *s++;
103 *date_str++ = *s++;
104 *date_str++ = ' ';
105 s = &apr_month_snames[xt.tm_mon][0];
106 *date_str++ = *s++;
107 *date_str++ = *s++;
108 *date_str++ = *s++;
109 *date_str++ = ' ';
110 *date_str++ = xt.tm_mday / 10 + '0';
111 *date_str++ = xt.tm_mday % 10 + '0';
112 *date_str++ = ' ';
113 *date_str++ = xt.tm_hour / 10 + '0';
114 *date_str++ = xt.tm_hour % 10 + '0';
115 *date_str++ = ':';
116 *date_str++ = xt.tm_min / 10 + '0';
117 *date_str++ = xt.tm_min % 10 + '0';
118 *date_str++ = ':';
119 *date_str++ = xt.tm_sec / 10 + '0';
120 *date_str++ = xt.tm_sec % 10 + '0';
121 *date_str++ = ' ';
122 real_year = 1900 + xt.tm_year;
123 *date_str++ = real_year / 1000 + '0';
124 *date_str++ = real_year % 1000 / 100 + '0';
125 *date_str++ = real_year % 100 / 10 + '0';
126 *date_str++ = real_year % 10 + '0';
127 *date_str++ = 0;
128
129 return APR_SUCCESS;
130 }
131
apr_strftime(char * s,apr_size_t * retsize,apr_size_t max,const char * format,apr_time_exp_t * xt)132 apr_status_t apr_strftime(char *s, apr_size_t *retsize, apr_size_t max,
133 const char *format, apr_time_exp_t *xt)
134 {
135 struct tm tm;
136 memset(&tm, 0, sizeof tm);
137 tm.tm_sec = xt->tm_sec;
138 tm.tm_min = xt->tm_min;
139 tm.tm_hour = xt->tm_hour;
140 tm.tm_mday = xt->tm_mday;
141 tm.tm_mon = xt->tm_mon;
142 tm.tm_year = xt->tm_year;
143 tm.tm_wday = xt->tm_wday;
144 tm.tm_yday = xt->tm_yday;
145 tm.tm_isdst = xt->tm_isdst;
146 #if defined(HAVE_STRUCT_TM_TM_GMTOFF)
147 tm.tm_gmtoff = xt->tm_gmtoff;
148 #elif defined(HAVE_STRUCT_TM___TM_GMTOFF)
149 tm.__tm_gmtoff = xt->tm_gmtoff;
150 #endif
151 (*retsize) = strftime(s, max, format, &tm);
152 return APR_SUCCESS;
153 }
154