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[PATCH 1/5] Y2038: add function __localtime64_r


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

	* include/time.h
	(__localtime64_r): Add.
	* time/localtime.c
	(__localtime64_r): Add.
	[__TIMESIZE != 64] (__localtime_r): Turn into a wrapper.
---
 include/time.h   |  7 +++++++
 time/localtime.c | 16 +++++++++++++++-
 2 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/include/time.h b/include/time.h
index 3bc303a36e..34368295a9 100644
--- a/include/time.h
+++ b/include/time.h
@@ -67,6 +67,13 @@ libc_hidden_proto (__localtime64)
 extern struct tm *__localtime_r (const time_t *__timer,
 				 struct tm *__tp) attribute_hidden;
 
+#if __TIMESIZE == 64
+# define __localtime64_r __localtime_r
+#else
+extern struct tm *__localtime64_r (const __time64_t *__timer,
+				   struct tm *__tp) attribute_hidden;
+#endif
+
 extern struct tm *__gmtime_r (const time_t *__restrict __timer,
 			      struct tm *__restrict __tp);
 libc_hidden_proto (__gmtime_r)
diff --git a/time/localtime.c b/time/localtime.c
index 96879d4ec0..37169234c8 100644
--- a/time/localtime.c
+++ b/time/localtime.c
@@ -25,10 +25,24 @@ struct tm _tmbuf;
 /* Return the `struct tm' representation of *T in local time,
    using *TP to store the result.  */
 struct tm *
-__localtime_r (const time_t *t, struct tm *tp)
+__localtime64_r (const __time64_t *t, struct tm *tp)
 {
   return __tz_convert (*t, 1, tp);
 }
+
+/* Provide a 32-bit variant if needed */
+
+#if __TIMESIZE != 64
+
+struct tm *
+__localtime_r (const time_t *t, struct tm *tp)
+{
+  __time64_t t64 = *t;
+  return __localtime64_r (&t64, tp);
+}
+
+#endif
+
 weak_alias (__localtime_r, localtime_r)
 
 
-- 
2.17.1


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