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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
struct
{
time_t when;
const char *tz;
const char *result;
} tests[] =
{
{ 909312849L, "AEST-10AEDST-11,M10.5.0,M3.5.0",
"1998/10/25 21:54:09 dst=1 zone=AEDST" },
{ 924864849L, "AEST-10AEDST-11,M10.5.0,M3.5.0",
"1999/04/23 20:54:09 dst=0 zone=AEST" },
{ 919973892L, "AEST-10AEDST-11,M10.5.0,M3.5.0",
"1999/02/26 07:18:12 dst=1 zone=AEDST" },
{ 909312849L, "EST+5EDT,M4.1.0/2,M10.5.0/2",
"1998/10/25 05:54:09 dst=0 zone=EST" },
{ 924864849L, "EST+5EDT,M4.1.0/2,M10.5.0/2",
"1999/04/23 06:54:09 dst=1 zone=EDT" },
{ 919973892L, "EST+5EDT,M4.1.0/2,M10.5.0/2",
"1999/02/25 15:18:12 dst=0 zone=EST" },
};
int
main (void)
{
int result = 0;
size_t cnt;
for (cnt = 0; cnt < sizeof (tests) / sizeof (tests[0]); ++cnt)
{
char buf[100];
struct tm *tmp;
printf ("TZ = \"%s\", time = %ld => ", tests[cnt].tz, tests[cnt].when);
fflush (stdout);
setenv ("TZ", tests[cnt].tz, 1);
tmp = localtime (&tests[cnt].when);
snprintf (buf, sizeof (buf),
"%04d/%02d/%02d %02d:%02d:%02d dst=%d zone=%s",
tmp->tm_year + 1900, tmp->tm_mon + 1, tmp->tm_mday,
tmp->tm_hour, tmp->tm_min, tmp->tm_sec, tmp->tm_isdst,
tzname[tmp->tm_isdst ? 1 : 0]);
fputs (buf, stdout);
if (strcmp (buf, tests[cnt].result) == 0)
puts (", OK");
else
{
result = 1;
puts (", FAIL");
}
}
setenv ("TZ", "Universal", 1);
localtime (&tests[0].when);
printf ("TZ = \"Universal\" daylight %d tzname = { \"%s\", \"%s\" }",
daylight, tzname[0], tzname[1]);
if (! daylight)
puts (", OK");
else
{
result = 1;
puts (", FAIL");
}
setenv ("TZ", "AEST-10AEDST-11,M10.5.0,M3.5.0", 1);
tzset ();
printf ("TZ = \"AEST-10AEDST-11,M10.5.0,M3.5.0\" daylight %d"
" tzname = { \"%s\", \"%s\" }", daylight, tzname[0], tzname[1]);
if (daylight
&& strcmp (tzname[0], "AEST") == 0 && strcmp (tzname[1], "AEDST") == 0)
puts (", OK");
else
{
result = 1;
puts (", FAIL");
}
return result;
}
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