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1 #include "time_impl.h" | 1 #include "time_impl.h" |
2 #include <errno.h> | 2 #include <errno.h> |
3 #include "libc.h" | 3 #include "libc.h" |
4 | 4 |
5 struct tm *__localtime_r(const time_t *restrict t, struct tm *restrict tm) | 5 struct tm* __localtime_r(const time_t* restrict t, struct tm* restrict tm) { |
6 { | 6 /* Reject time_t values whose year would overflow int because |
7 » /* Reject time_t values whose year would overflow int because | 7 * __secs_to_zone cannot safely handle them. */ |
8 » * __secs_to_zone cannot safely handle them. */ | 8 if (*t < INT_MIN * 31622400LL || *t > INT_MAX * 31622400LL) { |
9 » if (*t < INT_MIN * 31622400LL || *t > INT_MAX * 31622400LL) { | 9 errno = EOVERFLOW; |
10 » » errno = EOVERFLOW; | 10 return 0; |
11 » » return 0; | 11 } |
12 » } | 12 __secs_to_zone(*t, 0, &tm->tm_isdst, &tm->__tm_gmtoff, 0, &tm->__tm_zone); |
13 » __secs_to_zone(*t, 0, &tm->tm_isdst, &tm->__tm_gmtoff, 0, &tm->__tm_zone
); | 13 if (__secs_to_tm((long long)*t + tm->__tm_gmtoff, tm) < 0) { |
14 » if (__secs_to_tm((long long)*t + tm->__tm_gmtoff, tm) < 0) { | 14 errno = EOVERFLOW; |
15 » » errno = EOVERFLOW; | 15 return 0; |
16 » » return 0; | 16 } |
17 » } | 17 return tm; |
18 » return tm; | |
19 } | 18 } |
20 | 19 |
21 weak_alias(__localtime_r, localtime_r); | 20 weak_alias(__localtime_r, localtime_r); |
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