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#include <limits.h>
#include <stdio.h>
#include <time.h>
static const struct
{
const char *fmt;
long int gmtoff;
} tests[] =
{
{ "1113472456 +1000", 36000 },
{ "1113472456 -1000", -36000 },
{ "1113472456 +10", 36000 },
{ "1113472456 -10", -36000 },
{ "1113472456 +1030", 37800 },
{ "1113472456 -1030", -37800 },
{ "1113472456 +0030", 1800 },
{ "1113472456 -0030", -1800 },
{ "1113472456 -1330", LONG_MAX },
{ "1113472456 +1330", LONG_MAX },
{ "1113472456 -1060", LONG_MAX },
{ "1113472456 +1060", LONG_MAX },
{ "1113472456 1030", LONG_MAX },
};
#define ntests (sizeof (tests) / sizeof (tests[0]))
int
main (void)
{
int result = 0;
for (int i = 0; i < ntests; ++i)
{
struct tm tm;
if (strptime (tests[i].fmt, "%s %z", &tm) == NULL)
{
if (tests[i].gmtoff != LONG_MAX)
{
printf ("round %d: strptime unexpectedly failed\n", i);
result = 1;
}
continue;
}
if (tm.tm_gmtoff != tests[i].gmtoff)
{
printf ("round %d: tm_gmtoff is %ld\n", i, (long int) tm.tm_gmtoff);
result = 1;
}
}
if (result == 0)
puts ("all OK");
return 0;
}
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