usa	2008-09-04 01:14:17 +0900 (Thu, 04 Sep 2008)

  New Revision: 19106

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=19106

  Log:
    * win32/win32.c (filetime_to_timeval): new function, split from
      gettimeofday().
    
    * win32/win32.c (gettimeofday): use above function.
    
    * win32/win32.c (filetime_to_unixtime): ditto. [ruby-dev:36135]

  Modified files:
    trunk/ChangeLog
    trunk/win32/win32.c

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 19105)
+++ ChangeLog	(revision 19106)
@@ -1,3 +1,12 @@
+Thu Sep  4 01:12:03 2008  NAKAMURA Usaku  <usa@r...>
+
+	* win32/win32.c (filetime_to_timeval): new function, split from
+	  gettimeofday().
+
+	* win32/win32.c (gettimeofday): use above function.
+
+	* win32/win32.c (filetime_to_unixtime): ditto. [ruby-dev:36135]
+
 Thu Sep  4 01:00:57 2008  NAKAMURA Usaku  <usa@r...>
 
 	* transcode.c (transcode_restartable0): avoid VC++6's bug.
Index: win32/win32.c
===================================================================
--- win32/win32.c	(revision 19105)
+++ win32/win32.c	(revision 19106)
@@ -3086,28 +3086,37 @@
 
 #include <sys/timeb.h>
 
-int _cdecl
-gettimeofday(struct timeval *tv, struct timezone *tz)
+static int
+filetime_to_timeval(const FILETIME* ft, struct timeval *tv)
 {
-    FILETIME ft;
     ULARGE_INTEGER tmp;
     unsigned LONG_LONG lt;
 
-    GetSystemTimeAsFileTime(&ft);
-    tmp.LowPart = ft.dwLowDateTime;
-    tmp.HighPart = ft.dwHighDateTime;
+    tmp.LowPart = ft->dwLowDateTime;
+    tmp.HighPart = ft->dwHighDateTime;
     lt = tmp.QuadPart;
 
     /* lt is now 100-nanosec intervals since 1601/01/01 00:00:00 UTC,
        convert it into UNIX time (since 1970/01/01 00:00:00 UTC).
        the first leap second is at 1972/06/30, so we doesn't need to think
        about it. */
-    lt /= 10000;	/* to msec */
-    lt -= (LONG_LONG)((1970-1601)*365.2425) * 24 * 60 * 60 * 1000;
+    lt /= 10;	/* to usec */
+    lt -= (LONG_LONG)((1970-1601)*365.2425) * 24 * 60 * 60 * 1000 * 1000;
 
-    tv->tv_sec = lt / 1000;
-    tv->tv_usec = lt % 1000;
+    tv->tv_sec = lt / (1000 * 1000);
+    tv->tv_usec = lt % (1000 * 1000);
 
+    return tv->tv_sec > 0 ? 0 : -1;
+}
+
+int _cdecl
+gettimeofday(struct timeval *tv, struct timezone *tz)
+{
+    FILETIME ft;
+
+    GetSystemTimeAsFileTime(&ft);
+    filetime_to_timeval(&ft, tv);
+
     return 0;
 }
 
@@ -3432,26 +3441,12 @@
 filetime_to_unixtime(const FILETIME *ft)
 {
     FILETIME loc;
-    SYSTEMTIME st;
-    struct tm tm;
-    time_t t;
+    struct timeval tv;
 
-    if (!FileTimeToLocalFileTime(ft, &loc)) {
+    if (filetime_to_timeval(ft, &tv) == (time_t)-1)
 	return 0;
-    }
-    if (!FileTimeToSystemTime(&loc, &st)) {
-	return 0;
-    }
-    memset(&tm, 0, sizeof(tm));
-    tm.tm_year = st.wYear - 1900;
-    tm.tm_mon = st.wMonth - 1;
-    tm.tm_mday = st.wDay;
-    tm.tm_hour = st.wHour;
-    tm.tm_min = st.wMinute;
-    tm.tm_sec = st.wSecond;
-    tm.tm_isdst = -1;
-    t = mktime(&tm);
-    return t == -1 ? 0 : t;
+    else
+	return tv.tv_sec;
 }
 
 static unsigned

--
ML: ruby-changes@q...
Info: http://www.atdot.net/~ko1/quickml/