* variables.texi (File Local Variables): Fix reference.

[gnu-emacs] / lib-src / ntlib.c

diff --git a/lib-src/ntlib.c b/lib-src/ntlib.c
index 2cc791fb56a481150f8c8b783d3528b8e235f55d..f43117457cb1de29b8f065ce0f13820b84abef8d 100644 (file)
--- a/lib-src/ntlib.c
+++ b/lib-src/ntlib.c
@@ -1,6 +1,6 @@
 /* Utility and Unix shadow routines for GNU Emacs support programs on NT.
 
-Copyright (C) 1994, 2001-2012 Free Software Foundation, Inc.
+Copyright (C) 1994, 2001-2013 Free Software Foundation, Inc.
 
 Author: Geoff Voelker (voelker@cs.washington.edu)
 Created: 10-8-94
@@ -29,9 +29,17 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #include <sys/stat.h>
 #include <errno.h>
 #include <ctype.h>
+#include <sys/timeb.h>
+#include <mbstring.h>
 
 #include "ntlib.h"
 
+struct timezone
+{
+  int          tz_minuteswest; /* minutes west of Greenwich */
+  int          tz_dsttime;     /* type of dst correction */
+};
+
 #define MAXPATHLEN _MAX_PATH
 
 /* Emulate sleep...we could have done this with a define, but that
@@ -202,6 +210,29 @@ getpass (const char * prompt)
   return NULL;
 }
 
+/* This is needed because lib/gettime.c calls gettimeofday, which MSVC
+   doesn't have.  Copied from w32.c.  */
+void
+gettimeofday (struct timeval *tv, struct timezone *tz)
+{
+  struct _timeb tb;
+  _ftime (&tb);
+
+  tv->tv_sec = tb.time;
+  tv->tv_usec = tb.millitm * 1000L;
+  /* Implementation note: _ftime sometimes doesn't update the dstflag
+     according to the new timezone when the system timezone is
+     changed.  We could fix that by using GetSystemTime and
+     GetTimeZoneInformation, but that doesn't seem necessary, since
+     Emacs always calls gettimeofday with the 2nd argument NULL (see
+     current_emacs_time).  */
+  if (tz)
+    {
+      tz->tz_minuteswest = tb.timezone;        /* minutes west of Greenwich  */
+      tz->tz_dsttime = tb.dstflag;     /* type of dst correction  */
+    }
+}
+
 int
 fchown (int fd, unsigned uid, unsigned gid)
 {