Reinstate ftime and add deprecate message on ftime usage

This patch revert "Move ftime to a compatibility symbol" (commit
14633d3e568eb9770a7e5046eff257113e0453fb).

Checked on x86_64-linux-gnu and i686-linux-gnu.

1 files changed, 45 insertions, 0 deletions

diff --git a/time/sys/timeb.h b/time/sys/timeb.h
new file mode 100644
index 0000000000..d6cdf29111
--- /dev/null
+++ b/time/sys/timeb.h
@@ -0,0 +1,45 @@
+/* Copyright (C) 1994-2020 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <https://www.gnu.org/licenses/>.  */
+
+#ifndef _SYS_TIMEB_H
+#define _SYS_TIMEB_H	1
+
+#include <features.h>
+
+#include <bits/types/time_t.h>
+
+__BEGIN_DECLS
+
+/* Structure returned by the `ftime' function.  */
+
+struct timeb
+  {
+    time_t time;		/* Seconds since epoch, as from `time'.  */
+    unsigned short int millitm;	/* Additional milliseconds.  */
+    short int timezone;		/* Minutes west of GMT.  */
+    short int dstflag;		/* Nonzero if Daylight Savings Time used.  */
+  };
+
+/* Fill in TIMEBUF with information about the current time.  */
+
+extern int ftime (struct timeb *__timebuf)
+  __nonnull ((1))
+  __attribute_deprecated_msg__ ("Use gettimeofday or clock_gettime instead");
+
+__END_DECLS
+
+#endif	/* sys/timeb.h */