Hello,
well this macros had one typo and an illegal assignment.
This code should work, but of course you can use memset instead of
assigning to __tm_zero, too.
#include <time.h>
static struct tm __tm_zero;
#define localtime_r_1(_Time, _Tm) ({ struct tm *___tmp_tm = \
localtime((_Time)); \
if (___tmp_tm) \
*(_Tm) = *___tmp_tm; \
else *(_Tm) = __tm_zero;
___tmp_tm; })
#define localtime_r_2(_Time, _Tm) (localtime ((_Time)) ? *(_Tm) = \
*localtime ((_Time)),(_Tm) : __tm_zero)
int main(void) {
time_t t1;
struct tm tm1;
localtime_r_1(&t1, &tm1);
localtime_r_2(&t1, &tm1);
}
Cheers,
Kai
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