*** empty log message ***

2 files changed, 92 insertions, 0 deletions

diff --git a/lib/gettimeofday.c b/lib/gettimeofday.c
new file mode 100644
index 000000000..59c565c78
--- /dev/null
+++ b/lib/gettimeofday.c
@@ -0,0 +1,71 @@
+/* Work around the bug in some systems whereby gettimeofday clobbers the
+   static buffer that localtime uses for it's return value.  The gettimeofday
+   function from Mac OS X 10.0.4, i.e. Darwin 1.3.7 has this problem.
+   Copyright (C) 2001 Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2, or (at your option)
+   any later version.
+
+   This program 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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software Foundation,
+   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+/* written by Jim Meyering */
+
+#include <config.h>
+
+/* Disable the definition of gettimeofday (from config.h) so we can use
+   the library version.  */
+#undef gettimeofday
+
+#include <sys/types.h>
+
+#if TIME_WITH_SYS_TIME
+# include <sys/time.h>
+# include <time.h>
+#else
+# if HAVE_SYS_TIME_H
+#  include <sys/time.h>
+# else
+#  include <time.h>
+# endif
+#endif
+
+#include <stdlib.h>
+#include "gtod.h"
+
+static struct tm *localtime_buffer_addr;
+
+void
+GTOD_init (void)
+{
+  time_t t = 0;
+  localtime_buffer_addr = localtime (&t);
+}
+
+/* This is a wrapper for gettimeofday.  It is used only on systems for which
+   gettimeofday clobbers the static buffer used for localtime's result.
+
+   Save and restore the contents of the buffer used for localtime's result
+   around the call to gettimeofday.  */
+
+int
+rpl_gettimeofday (struct timeval *tv, struct timezone *tz)
+{
+  struct tm save;
+  if (! localtime_buffer_addr)
+    abort ();
+
+  save = *localtime_buffer_addr;
+  result = gettimeofday (tv, tz);
+  *localtime_buffer_addr = save;
+
+  return result;
+}
diff --git a/lib/gtod.h b/lib/gtod.h
new file mode 100644
index 000000000..3372416f7
--- /dev/null
+++ b/lib/gtod.h
@@ -0,0 +1,21 @@
+#ifndef GTOD_H
+# define GTOD_H 1
+
+# ifndef PARAMS
+#  if defined PROTOTYPES || (defined __STDC__ && __STDC__)
+#   define PARAMS(Args) Args
+#  else
+#   define PARAMS(Args) ()
+#  endif
+# endif
+
+void GTOD_init PARAMS ((void));
+
+/* This is a no-op on compliant systems.  */
+# if GETTIMEOFDAY_CLOBBERS_LOCALTIME_BUFFER
+#  define GETTIMEOFDAY_INIT() GTOD_init ()
+# else
+#  define GETTIMEOFDAY_INIT() /* empty */
+# endif
+
+#endif