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From: "Albert ARIBAUD (3ADEV)" <albert.aribaud@3adev.fr>
To: libc-alpha@sourceware.org
Cc: "Albert ARIBAUD (3ADEV)" <albert.aribaud@3adev.fr>
Subject: [RFC PATCH 05/52] Y2038: add function __timegm64
Date: Thu, 07 Sep 2017 22:42:00 -0000	[thread overview]
Message-ID: <20170907224219.12483-6-albert.aribaud@3adev.fr> (raw)
In-Reply-To: <20170907224219.12483-5-albert.aribaud@3adev.fr>

Implementation is based on the same __mktime64_internal function
which was introduced in the '__mktime64' implementation change.

Again, the implementation does not require a Y2038-proof kernel.

Signed-off-by: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
---
 sysdeps/unix/sysv/linux/arm/Versions |  1 +
 time/timegm.c                        | 11 +++++++++++
 2 files changed, 12 insertions(+)

diff --git a/sysdeps/unix/sysv/linux/arm/Versions b/sysdeps/unix/sysv/linux/arm/Versions
index 546d7c60ee..f7feda3650 100644
--- a/sysdeps/unix/sysv/linux/arm/Versions
+++ b/sysdeps/unix/sysv/linux/arm/Versions
@@ -26,5 +26,6 @@ libc {
     __gmtime64; __gmtime64_r;
     __localtime64; __localtime64_r;
     __mktime64; __timelocal64_r;
+    __timegm64;
   }
 }
diff --git a/time/timegm.c b/time/timegm.c
index b0f5d16d16..0c8879285a 100644
--- a/time/timegm.c
+++ b/time/timegm.c
@@ -36,6 +36,9 @@
 time_t __mktime_internal (struct tm *,
 			  struct tm * (*) (time_t const *, struct tm *),
 			  time_t *);
+__time64_t __mktime64_internal (struct tm *,
+				struct tm * (*) (__time64_t const *, struct tm *),
+				__time64_t *);
 #endif
 
 time_t
@@ -45,3 +48,11 @@ timegm (struct tm *tmp)
   tmp->tm_isdst = 0;
   return __mktime_internal (tmp, __gmtime_r, &gmtime_offset);
 }
+
+__time64_t
+__timegm64 (struct tm *tmp)
+{
+  static __time64_t gmtime64_offset;
+  tmp->tm_isdst = 0;
+  return __mktime64_internal (tmp, __gmtime64_r, &gmtime64_offset);
+}
-- 
2.11.0

  reply	other threads:[~2017-09-07 22:42 UTC|newest]

Thread overview: 76+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-09-07 22:42 [RFC PATCH 00/52] Make GLIBC Y2038-proof Albert ARIBAUD (3ADEV)
2017-09-07 22:42 ` [RFC PATCH 01/52] Y2038: add type __time64_t Albert ARIBAUD (3ADEV)
2017-09-07 22:42   ` [RFC PATCH 02/52] Y2038: add function __difftime64 Albert ARIBAUD (3ADEV)
2017-09-07 22:42     ` [RFC PATCH 03/52] Y2038: add functions using struct tm Albert ARIBAUD (3ADEV)
2017-09-07 22:42       ` [RFC PATCH 04/52] Y2038: add function __mktime64 (and timelocal) Albert ARIBAUD (3ADEV)
2017-09-07 22:42         ` Albert ARIBAUD (3ADEV) [this message]
2017-09-07 22:42           ` [RFC PATCH 06/52] Y2038: add struct __timespec64 Albert ARIBAUD (3ADEV)
2017-09-07 22:42             ` [RFC PATCH 07/52] Y2038: add function __clock_gettime64 Albert ARIBAUD (3ADEV)
2017-09-07 22:43               ` [RFC PATCH 08/52] Y2038: add function __clock_settime64 Albert ARIBAUD (3ADEV)
2017-09-07 22:43                 ` [RFC PATCH 09/52] Y2038: add function __clock_getres64 Albert ARIBAUD (3ADEV)
2017-09-07 22:43                   ` [RFC PATCH 10/52] Y2038: add function __clock_nanosleep64 Albert ARIBAUD (3ADEV)
2017-09-07 22:43                     ` [RFC PATCH 11/52] Y2038: add function __timespec_get64 Albert ARIBAUD (3ADEV)
2017-09-07 22:43                       ` [RFC PATCH 12/52] Y2038: add function __futimens64 Albert ARIBAUD (3ADEV)
2017-09-07 22:43                         ` [RFC PATCH 13/52] Y2038: add function __utimensat64 Albert ARIBAUD (3ADEV)
2017-09-07 22:43                           ` [RFC PATCH 14/52] Y2038: add function __sigtimedwait64 Albert ARIBAUD (3ADEV)
2017-09-07 22:43                             ` [RFC PATCH 15/52] Y2038: add struct __timeval64 Albert ARIBAUD (3ADEV)
2017-09-07 22:43                               ` [RFC PATCH 16/52] Y2038: add function __futimes64 Albert ARIBAUD (3ADEV)
2017-09-07 22:43                                 ` [RFC PATCH 17/52] Y2038: add function __lutimes64 Albert ARIBAUD (3ADEV)
2017-09-07 22:43                                   ` [RFC PATCH 18/52] Y2038: add struct __itimerspec64 Albert ARIBAUD (3ADEV)
2017-09-07 22:43                                     ` [RFC PATCH 19/52] Y2038: add function __timer_gettime64 Albert ARIBAUD (3ADEV)
2017-09-07 22:43                                       ` [RFC PATCH 20/52] Y2038: add function __timer_settime64 Albert ARIBAUD (3ADEV)
2017-09-07 22:43                                         ` [RFC PATCH 21/52] Y2038: add function __timerfd_gettime64 Albert ARIBAUD (3ADEV)
2017-09-07 22:44                                           ` [RFC PATCH 22/52] Y2038: add function __timerfd_settime64 Albert ARIBAUD (3ADEV)
2017-09-07 22:44                                             ` [RFC PATCH 23/52] Y2038: add struct __stat64_t64 Albert ARIBAUD (3ADEV)
2017-09-07 22:44                                               ` [RFC PATCH 24/52] Y2038: add function __fstat64_t64 (and __fxstat64_t64) Albert ARIBAUD (3ADEV)
2017-09-07 22:44                                                 ` [RFC PATCH 25/52] Y2038: add function __stat64_t64 (and __xstat64_t64) Albert ARIBAUD (3ADEV)
2017-09-07 22:44                                                   ` [RFC PATCH 26/52] Y2038: add function __lstat64_t64 (and __lxstat64_t64) Albert ARIBAUD (3ADEV)
2017-09-07 22:44                                                     ` [RFC PATCH 27/52] Y2038: add function __fstatat64_t64 (and __fxstatat_t64) Albert ARIBAUD (3ADEV)
2017-09-07 22:44                                                       ` [RFC PATCH 28/52] Y2038: add function __time_t64 Albert ARIBAUD (3ADEV)
2017-09-07 22:44                                                         ` [RFC PATCH 29/52] Y2038: add function __stime_t64 Albert ARIBAUD (3ADEV)
2017-09-07 22:44                                                           ` [RFC PATCH 30/52] Y2038: add function __utimes_t64 Albert ARIBAUD (3ADEV)
2017-09-07 22:44                                                             ` [RFC PATCH 31/52] Y2038: add function __gettimeofday_t64 Albert ARIBAUD (3ADEV)
2017-09-07 22:44                                                               ` [RFC PATCH 32/52] Y2038: add function __settimeofday_t64 Albert ARIBAUD (3ADEV)
2017-09-07 22:44                                                                 ` [RFC PATCH 33/52] Y2038: add function __mq_timedsend_t64 Albert ARIBAUD (3ADEV)
2017-09-07 22:44                                                                   ` [RFC PATCH 34/52] Y2038: add function __mq_timedreceive_t64 Albert ARIBAUD (3ADEV)
2017-09-07 22:44                                                                     ` [RFC PATCH 35/52] Y2038: add function __msgctl_t64 Albert ARIBAUD (3ADEV)
2017-09-07 22:45                                                                       ` [RFC PATCH 36/52] Y2038: add function __sched_rr_get_interval_t64 Albert ARIBAUD (3ADEV)
2017-09-07 22:45                                                                         ` [RFC PATCH 37/52] Y2038: add function __nanosleep64_t64 Albert ARIBAUD (3ADEV)
2017-09-07 22:45                                                                           ` [RFC PATCH 38/52] Y2038: add function __adjtime_t64 Albert ARIBAUD (3ADEV)
2017-09-07 22:45                                                                             ` [RFC PATCH 39/52] Y2038: add function __utime_t64 Albert ARIBAUD (3ADEV)
2017-09-07 22:45                                                                               ` [RFC PATCH 40/52] Y2038: add struct __itimerval_t64 Albert ARIBAUD (3ADEV)
2017-09-07 22:45                                                                                 ` [RFC PATCH 41/52] Y2038: add function __getitimer_t64 Albert ARIBAUD (3ADEV)
2017-09-07 22:45                                                                                   ` [RFC PATCH 42/52] Y2038: add function __setitimer_t64 Albert ARIBAUD (3ADEV)
2017-09-07 22:45                                                                                     ` [RFC PATCH 43/52] Y2038: add functions using futexes Albert ARIBAUD (3ADEV)
2017-09-07 22:45                                                                                       ` [RFC PATCH 44/52] Y2038: add function __getrusage_t64 Albert ARIBAUD (3ADEV)
2017-09-07 22:45                                                                                         ` [RFC PATCH 45/52] Y2038: add struct __ntp_timeval_t64 Albert ARIBAUD (3ADEV)
2017-09-07 22:45                                                                                           ` [RFC PATCH 46/52] Y2038: add function __ntp_gettime_t64 Albert ARIBAUD (3ADEV)
2017-09-07 22:45                                                                                             ` [RFC PATCH 47/52] Y2038: add function __ntp_gettimex_t64 Albert ARIBAUD (3ADEV)
2017-09-07 22:45                                                                                               ` [RFC PATCH 48/52] Y2038: add function __adjtimex_t64 (and __ntp_adjtime_t64) Albert ARIBAUD (3ADEV)
2017-09-07 22:46                                                                                                 ` [RFC PATCH 49/52] Y2038: add function pselect Albert ARIBAUD (3ADEV)
2017-09-08 17:49                                                                                                   ` [RFC PATCH 50/52] Y2038: add function select Albert ARIBAUD (3ADEV)
2017-09-08 17:49                                                                                                     ` [RFC PATCH 51/52] Y2038: add RPC functions Albert ARIBAUD (3ADEV)
2017-09-08 17:49                                                                                                       ` [RFC PATCH 52/52] Y2038: add _TIME_BITS==64 support Albert ARIBAUD (3ADEV)
2017-09-08 19:47                                                                                                         ` Joseph Myers
2017-09-08 19:47                                                                                                       ` [RFC PATCH 51/52] Y2038: add RPC functions Joseph Myers
2017-09-08 19:59                                                                                                       ` Paul Eggert
2017-09-09 14:37                                                                                                         ` Albert ARIBAUD
2017-09-11  6:33                                                                                                           ` Paul Eggert
2017-09-11  7:06                                                                                                         ` Paul Eggert
2017-09-11 14:07                                                                                                           ` Paul Eggert
2017-09-11 15:59                                                                                                             ` Albert ARIBAUD
2017-09-07 23:21 ` [RFC PATCH 00/52] Make GLIBC Y2038-proof Joseph Myers
2017-09-08 16:19   ` Zack Weinberg
2017-09-08 16:43     ` Joseph Myers
2017-09-08 16:54       ` Paul Eggert
2017-09-08 17:01       ` Zack Weinberg
2017-09-08 17:24         ` Joseph Myers
2017-09-08 18:32           ` Zack Weinberg
2017-09-08 17:42     ` Albert ARIBAUD
2017-09-08 17:59       ` Joseph Myers
2017-09-08 18:16         ` Albert ARIBAUD
2017-09-08 18:36           ` Zack Weinberg
2017-09-08 17:08   ` Albert ARIBAUD
2017-09-08 17:26     ` Joseph Myers
2017-09-08 19:19       ` Albert ARIBAUD
2017-09-08  4:23 ` Albert ARIBAUD

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