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musl/src/time/gmtime_r.c

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the big time handling overhaul this commit has two major user-visible parts: zoneinfo-format time zones are now supported, and overflow handling is intended to be complete in the sense that all functions return a correct result if and only if the result fits in the destination type, and otherwise return an error. also, some noticable bugs in the way DST detection and normalization worked have been fixed, and performance may be better than before, but it has not been tested.
13 years ago
#include "time_impl.h"
#include <errno.h>
#include "libc.h"
initial check-in, version 0.5.0
15 years ago
the big time handling overhaul this commit has two major user-visible parts: zoneinfo-format time zones are now supported, and overflow handling is intended to be complete in the sense that all functions return a correct result if and only if the result fits in the destination type, and otherwise return an error. also, some noticable bugs in the way DST detection and normalization worked have been fixed, and performance may be better than before, but it has not been tested.
13 years ago
struct tm *__gmtime_r(const time_t *restrict t, struct tm *restrict tm)
initial check-in, version 0.5.0
15 years ago
{
the big time handling overhaul this commit has two major user-visible parts: zoneinfo-format time zones are now supported, and overflow handling is intended to be complete in the sense that all functions return a correct result if and only if the result fits in the destination type, and otherwise return an error. also, some noticable bugs in the way DST detection and normalization worked have been fixed, and performance may be better than before, but it has not been tested.
13 years ago
if (__secs_to_tm(*t, tm) < 0) {
fix error code on time conversion overflows POSIX mandates EOVERFLOW for this condition.
13 years ago
errno = EOVERFLOW;
the big time handling overhaul this commit has two major user-visible parts: zoneinfo-format time zones are now supported, and overflow handling is intended to be complete in the sense that all functions return a correct result if and only if the result fits in the destination type, and otherwise return an error. also, some noticable bugs in the way DST detection and normalization worked have been fixed, and performance may be better than before, but it has not been tested.
13 years ago
return 0;
}
tm->tm_isdst = 0;
tm->__tm_gmtoff = 0;
tm->__tm_zone = "GMT";
return tm;
initial check-in, version 0.5.0
15 years ago
}
the big time handling overhaul this commit has two major user-visible parts: zoneinfo-format time zones are now supported, and overflow handling is intended to be complete in the sense that all functions return a correct result if and only if the result fits in the destination type, and otherwise return an error. also, some noticable bugs in the way DST detection and normalization worked have been fixed, and performance may be better than before, but it has not been tested.
13 years ago
weak_alias(__gmtime_r, gmtime_r);