time64: Add time_s support for WIN32

Signed-off-by: Rosen Penev <[email protected]>

Author: neheb

src/time64.c

@@ -443,7 +443,7 @@ void copy_TM64_to_tm(const struct TM *src, struct tm *dest) {
 }
 
 
-#ifndef HAVE_LOCALTIME_R
+#if !defined(HAVE_LOCALTIME_R) && !defined(_WIN32)
 /* Simulate localtime_r() to the best of our ability */
 static struct tm * fake_localtime_r(const time_t *time, struct tm *result) {
     const struct tm *static_result = localtime(time);
@@ -462,7 +462,7 @@ static struct tm * fake_localtime_r(const time_t *time, struct tm *result) {
 #endif
 
 
-#ifndef HAVE_GMTIME_R
+#if !defined(HAVE_GMTIME_R) && !defined(_WIN32)
 /* Simulate gmtime_r() to the best of our ability */
 static struct tm * fake_gmtime_r(const time_t *time, struct tm *result) {
     const struct tm *static_result = gmtime(time);

src/time64.h

@@ -58,11 +58,15 @@ Time64_T   timelocal64   (struct TM *);
 /* Not everyone has gm/localtime_r(), provide a replacement */
 #ifdef HAVE_LOCALTIME_R
 #    define LOCALTIME_R(clock, result) localtime_r(clock, result)
+#elif defined(_WIN32)
+#    define LOCALTIME_R(clock, result) (localtime_s(result, clock) ? NULL : result)
 #else
 #    define LOCALTIME_R(clock, result) fake_localtime_r(clock, result)
 #endif
 #ifdef HAVE_GMTIME_R
 #    define GMTIME_R(clock, result)    gmtime_r(clock, result)
+#elif defined (_WIN32)
+#    define GMTIME_R(clock, result)    (gmtime_s(result, clock) ? NULL : result)
 #else
 #    define GMTIME_R(clock, result)    fake_gmtime_r(clock, result)
 #endif