1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
|
/* t-timestuff.c - Regression tests for time functions
* Copyright (C) 2007 Free Software Foundation, Inc.
*
* This file is part of GnuPG.
*
* GnuPG is free software; you can redistribute and/or modify this
* part of GnuPG under the terms of either
*
* - the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 3 of the License, or (at
* your option) any later version.
*
* or
*
* - 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.
*
* or both in parallel, as here.
*
* GnuPG 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 copies of the GNU General Public License
* and the GNU Lesser General Public License along with this program;
* if not, see <https://www.gnu.org/licenses/>.
*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <time.h>
#include "mischelp.h"
#include "t-support.h"
static int
cmp_time_s (struct tm *a, struct tm *b)
{
if (a->tm_year != b->tm_year
|| a->tm_mon != b->tm_mon
|| a->tm_mday != b->tm_mday
|| a->tm_hour != b->tm_hour
|| a->tm_min != b->tm_min
|| a->tm_sec != b->tm_sec
|| a->tm_wday != b->tm_wday
|| a->tm_yday != b->tm_yday
|| !a->tm_isdst != !b->tm_isdst)
return -1;
return 0;
}
static void
test_timegm (void)
{
static struct {
int year, mon, mday, hour, min, sec;
} tvalues[] = {
{ -1 },
{ -2, 1 },
{ -2, 2 },
{ -2, 86399 },
{ -2, 86400 },
{ -2, 0x7ffffffe },
{ -2, 0x7fffffff },
/* Note: Because we use mktime below we can only start with the
day after Epoch. */
{ 1970, 0, 2, 0, 0 , 1},
{ 1970, 0, 2, 0, 0 , 2},
{ 1970, 0, 2, 12, 0 , 0},
{ 1970, 0, 2, 23, 59 , 59},
{ 1999, 11, 31, 23, 59 , 59},
{ 2000, 0, 1, 0, 0, 0},
{ 2000, 0, 1, 0, 0, 1},
{ 2010, 11, 31, 23, 59 , 59},
{ 2010, 0, 1, 0, 0, 0},
{ 2010, 0, 1, 0, 0, 1},
/* On GNU based 32 bit systems the end of all ticks will be on
20380119T031408 (unless Uli takes compassion on us and changes
time_t to a u64). We check that the previous day is okay. */
{ 2038, 0, 18, 23, 59, 59}
};
int tidx;
time_t now, atime;
struct tm tbuf, tbuf2, *tp;
for (tidx=0; tidx < DIM (tvalues); tidx++)
{
if (tvalues[tidx].year == -1)
{
now = time (NULL);
}
else if (tvalues[tidx].year == -2)
{
now = tvalues[tidx].mon;
}
else
{
memset (&tbuf, 0, sizeof tbuf);
tbuf.tm_year = tvalues[tidx].year - 1900;
tbuf.tm_mon = tvalues[tidx].mon;
tbuf.tm_mday = tvalues[tidx].mday;
tbuf.tm_hour = tvalues[tidx].hour;
tbuf.tm_min = tvalues[tidx].min;
tbuf.tm_sec = tvalues[tidx].sec;
#ifdef HAVE_TIMEGM
now = timegm (&tbuf);
#else
now = mktime (&tbuf);
#endif
}
if (now == (time_t)(-1))
fail (tidx);
tp = gmtime (&now);
if (!tp)
fail (tidx);
else
{
tbuf = *tp;
tbuf2 = tbuf;
#ifdef HAVE_TIMEGM
atime = timegm (&tbuf);
#else
atime = mktime (&tbuf);
#endif
if (atime == (time_t)(-1))
fail (tidx);
else if (atime != now)
fail (tidx);
tp = gmtime (&atime);
if (!tp)
fail (tidx);
else if (cmp_time_s (tp, &tbuf))
fail (tidx);
else if (cmp_time_s (tp, &tbuf2))
fail (tidx);
}
}
}
int
main (int argc, char **argv)
{
(void)argc;
(void)argv;
/* If we do not have timegm, we use mktime. However, we need to use
UTC in this case so that the 20380118T235959 test does not fail
for other timezones. */
#ifndef HAVE_TIMEGM
# ifdef HAVE_SETENV
setenv ("TZ", "UTC", 1);
#else
putenv (xstrdup ("TZ=UTC"));
#endif
tzset ();
#endif
test_timegm ();
return 0;
}
|
