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Declare asctime_r, ctime_r, gmtime_r, localtime_r for C2X
- From: Joseph Myers <joseph at codesourcery dot com>
- To: <libc-alpha at sourceware dot org>
- Date: Fri, 8 Nov 2019 20:49:28 +0000
- Subject: Declare asctime_r, ctime_r, gmtime_r, localtime_r for C2X
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C2X adds the asctime_r, ctime_r, gmtime_r and localtime_r functions.
This patch duly adds __GLIBC_USE (ISOC2X) to the conditions under
which <time.h> declares them.
Tested for x86_64.
diff --git a/time/time.h b/time/time.h
index 7daaacce16..05d9098c13 100644
--- a/time/time.h
+++ b/time/time.h
@@ -122,7 +122,7 @@ extern struct tm *gmtime (const time_t *__timer) __THROW;
of *TIMER in the local timezone. */
extern struct tm *localtime (const time_t *__timer) __THROW;
-#ifdef __USE_POSIX
+#if defined __USE_POSIX || __GLIBC_USE (ISOC2X)
/* Return the `struct tm' representation of *TIMER in UTC,
using *TP to store the result. */
extern struct tm *gmtime_r (const time_t *__restrict __timer,
@@ -132,7 +132,7 @@ extern struct tm *gmtime_r (const time_t *__restrict __timer,
using *TP to store the result. */
extern struct tm *localtime_r (const time_t *__restrict __timer,
struct tm *__restrict __tp) __THROW;
-#endif /* POSIX */
+#endif /* POSIX || C2X */
/* Return a string of the form "Day Mon dd hh:mm:ss yyyy\n"
that is the representation of TP in this format. */
@@ -141,7 +141,7 @@ extern char *asctime (const struct tm *__tp) __THROW;
/* Equivalent to `asctime (localtime (timer))'. */
extern char *ctime (const time_t *__timer) __THROW;
-#ifdef __USE_POSIX
+#if defined __USE_POSIX || __GLIBC_USE (ISOC2X)
/* Reentrant versions of the above functions. */
/* Return in BUF a string of the form "Day Mon dd hh:mm:ss yyyy\n"
@@ -152,7 +152,7 @@ extern char *asctime_r (const struct tm *__restrict __tp,
/* Equivalent to `asctime_r (localtime_r (timer, *TMP*), buf)'. */
extern char *ctime_r (const time_t *__restrict __timer,
char *__restrict __buf) __THROW;
-#endif /* POSIX */
+#endif /* POSIX || C2X */
/* Defined in localtime.c. */
--
Joseph S. Myers
joseph@codesourcery.com