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#include <stdlib.h>
#include <time.h>
#include <string.h>
#include <stdio.h>
struct {
const char * env;
time_t expected;
} tests[] = {
{"TZ=MST", 832935315},
{"TZ=", 832910115},
{"TZ=:UTC", 832910115},
{"TZ=UTC", 832910115},
{"TZ=UTC0", 832910115}
};
int
main(int argc, char ** argv)
{
int errors = 0;
struct tm tm;
time_t t;
unsigned int i;
memset (&tm, 0, sizeof (tm));
tm.tm_isdst = 0;
tm.tm_year = 96; /* years since 1900 */
tm.tm_mon = 4;
tm.tm_mday = 24;
tm.tm_hour = 3;
tm.tm_min = 55;
tm.tm_sec = 15;
for (i = 0; i < sizeof (tests) / sizeof (tests[0]); ++i)
{
putenv (tests[i].env);
tzset ();
t = mktime(&tm);
if (t != tests[i].expected)
{
printf ("%s: flunked test %u (expected %lu, got %lu)\n",
argv[0], i, (long) tests[i].expected, (long) t);
++errors;
}
}
if (errors == 0)
{
puts ("No errors.");
exit (EXIT_SUCCESS);
}
else
{
printf ("%d errors.\n", errors);
exit (EXIT_FAILURE);
}
}
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