1 /* Copyright (C) 1998, 1999 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Andreas Jaeger <aj@arthur.rhein-neckar.de>, 1998.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public License as
7 published by the Free Software Foundation; either version 2 of the
8 License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Library General Public License for more details.
15 You should have received a copy of the GNU Library General Public
16 License along with the GNU C Library; see the file COPYING.LIB. If not,
17 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA. */
33 const char *tzname
[2];
36 static const struct test_times tests
[] =
38 { "Europe/Berlin", 1, -3600, { "CET", "CEST" }},
39 { "Universal", 0, 0, {"UTC", "UTC" }},
40 { "Australia/Melbourne", 1, -36000, { "EST", "EST" }},
41 { "America/Sao_Paulo", 1, 10800, {"EST", "EDT" }},
42 { "America/Chicago", 1, 21600, {"CST", "CDT" }},
43 { "America/Los_Angeles", 1, 28800, {"PST", "PDT" }},
44 { "Asia/Tokyo", 0, -32400, {"JST", "JST" }},
52 printf ("tzname[0]: %s\n", tzname
[0]);
53 printf ("tzname[1]: %s\n", tzname
[1]);
54 printf ("daylight: %d\n", daylight
);
55 printf ("timezone: %ld\n", timezone
);
60 check_tzvars (const char *name
, int dayl
, int timez
, const char *const tznam
[])
66 printf ("Timezone: %s, daylight is: %d but should be: %d\n",
67 name
, daylight
, dayl
);
70 if (timezone
!= timez
)
72 printf ("Timezone: %s, timezone is: %ld but should be: %d\n",
73 name
, timezone
, timez
);
76 for (i
= 0; i
<= 1; ++i
)
77 if (strcmp (tzname
[i
], tznam
[i
]) != 0)
79 printf ("Timezone: %s, tzname[%d] is: %s but should be: %s\n",
80 name
, i
, tzname
[i
], tznam
[i
]);
87 main (int argc
, char ** argv
)
90 const struct test_times
*pt
;
93 /* This should be: Fri May 15 01:02:16 1998 (UTC). */
95 printf ("We use this date: %s\n", asctime (gmtime (&t
)));
97 for (pt
= tests
; pt
->name
!= NULL
; ++pt
)
99 /* Start with a known state */
100 printf ("Checking timezone %s\n", pt
->name
);
101 sprintf (buf
, "TZ=%s", pt
->name
);
104 puts ("putenv failed.");
109 check_tzvars (pt
->name
, pt
->daylight
, pt
->timezone
, pt
->tzname
);
111 /* calling localtime shouldn't make a difference */
114 check_tzvars (pt
->name
, pt
->daylight
, pt
->timezone
, pt
->tzname
);
117 /* From a post of Scott Harrington <seh4@ix.netcom.com> to the timezone
120 struct tm tmBuf
= {0, 0, 0, 10, 3, 98, 0, 0, -1};
122 putenv ("TZ=Europe/London");
124 snprintf (buf
, sizeof (buf
), "TZ=%s %ld %d %d %d %d %d %d %d %d %d",
126 tmBuf
.tm_sec
, tmBuf
.tm_min
, tmBuf
.tm_hour
,
127 tmBuf
.tm_mday
, tmBuf
.tm_mon
, tmBuf
.tm_year
,
128 tmBuf
.tm_wday
, tmBuf
.tm_yday
, tmBuf
.tm_isdst
);
131 puts ("TZ=Europe/London 892162800 0 0 0 10 3 98 5 99 1");
132 failed
|= strcmp (buf
, "TZ=Europe/London 892162800 0 0 0 10 3 98 5 99 1") != 0;
138 struct tm tmBuf
= {0, 0, 0, 10, 3, 98, 0, 0, -1};
142 snprintf (buf
, sizeof (buf
), "TZ=%s %ld %d %d %d %d %d %d %d %d %d",
144 tmBuf
.tm_sec
, tmBuf
.tm_min
, tmBuf
.tm_hour
,
145 tmBuf
.tm_mday
, tmBuf
.tm_mon
, tmBuf
.tm_year
,
146 tmBuf
.tm_wday
, tmBuf
.tm_yday
, tmBuf
.tm_isdst
);
149 puts ("TZ=GMT 892166400 0 0 0 10 3 98 5 99 0");
150 failed
|= strcmp (buf
, "TZ=GMT 892166400 0 0 0 10 3 98 5 99 0") != 0;
153 return failed
? EXIT_FAILURE
: EXIT_SUCCESS
;