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Y2038: add function __gmtime64_r

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Tested with 'make check' on x86_64-linux-gnu and i686-linux.gnu.

	* include/time.h
	(__gmtime64_r): Add.
	* time/gmtime.c
	(__gmtime64_r): Add.
	[__TIMESIZE != 64] (__gmtime): Turn into a wrapper.
This commit is contained in:
Albert ARIBAUD (3ADEV) 2018-12-18 23:12:30 +01:00
parent 131db8b0c8
commit a1d346ce0d
3 changed files with 31 additions and 1 deletions
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6
ChangeLog
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@ -1,5 +1,11 @@
2018-12-18 Albert ARIBAUD <albert.aribaud@3adev.fr>
* include/time.h
(__gmtime64_r): Add.
* time/gmtime.c
(__gmtime64_r): Add.
[__TIMESIZE != 64] (__gmtime): Turn into a wrapper.
* include/time.h
(__gmtime64): Add.
* time/gmtime.c

8
include/time.h
View File

@ -86,6 +86,14 @@ extern struct tm *__gmtime64 (const __time64_t *__timer);
libc_hidden_proto (__gmtime64)
#endif
#if __TIMESIZE == 64
# define __gmtime64_r __gmtime_r
#else
extern struct tm *__gmtime64_r (const __time64_t *__restrict __timer,
struct tm *__restrict __tp);
libc_hidden_proto (__gmtime64_r);
#endif
/* Compute the `struct tm' representation of T,
offset OFFSET seconds east of UTC,
and store year, yday, mon, mday, wday, hour, min, sec into *TP.

18
time/gmtime.c
View File

@ -21,10 +21,26 @@
/* Return the `struct tm' representation of *T in UTC,
using *TP to store the result. */
struct tm *
__gmtime_r (const time_t *t, struct tm *tp)
__gmtime64_r (const __time64_t *t, struct tm *tp)
{
return __tz_convert (*t, 0, tp);
}
/* Provide a 32-bit variant if needed. */
#if __TIMESIZE != 64
libc_hidden_def (__gmtime64_r)
struct tm *
__gmtime_r (const time_t *t, struct tm *tp)
{
__time64_t t64 = *t;
return __gmtime64_r (&t64, tp);
}
#endif
libc_hidden_def (__gmtime_r)
weak_alias (__gmtime_r, gmtime_r)