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-rw-r--r--REORG.TODO/sysdeps/posix/gettimeofday.c67
1 files changed, 67 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/posix/gettimeofday.c b/REORG.TODO/sysdeps/posix/gettimeofday.c
new file mode 100644
index 0000000000..41a8217fd1
--- /dev/null
+++ b/REORG.TODO/sysdeps/posix/gettimeofday.c
@@ -0,0 +1,67 @@
+/* Copyright (C) 1991-2017 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
+   <http://www.gnu.org/licenses/>.  */
+
+#include <errno.h>
+#include <time.h>
+#include <sys/time.h>
+
+/* Get the current time of day and timezone information,
+   putting it into *TV and *TZ.  If TZ is NULL, *TZ is not filled.
+   Returns 0 on success, -1 on errors.  */
+int
+__gettimeofday (struct timeval *tv, struct timezone *tz)
+{
+  if (tv == NULL)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  tv->tv_sec = (long int) time ((time_t *) NULL);
+  tv->tv_usec = 0L;
+
+  if (tz != NULL)
+    {
+      const time_t timer = tv->tv_sec;
+      struct tm tm;
+      const struct tm *tmp;
+
+      const long int save_timezone = __timezone;
+      const long int save_daylight = __daylight;
+      char *save_tzname[2];
+      save_tzname[0] = __tzname[0];
+      save_tzname[1] = __tzname[1];
+
+      tmp = localtime_r (&timer, &tm);
+
+      tz->tz_minuteswest = __timezone / 60;
+      tz->tz_dsttime = __daylight;
+
+      __timezone = save_timezone;
+      __daylight = save_daylight;
+      __tzname[0] = save_tzname[0];
+      __tzname[1] = save_tzname[1];
+
+      if (tmp == NULL)
+	return -1;
+    }
+
+  return 0;
+}
+libc_hidden_def (__gettimeofday)
+weak_alias (__gettimeofday, gettimeofday)
+libc_hidden_weak (gettimeofday)