VMS: compensate for gmtime_r() parameter pointer size
With VMS C, the second parameter takes a 32-bit pointer.  When
building with 64-bit pointer size default, we must compensate.
@@ -15,7 +15,29 @@ struct tm *OPENSSL_gmtime(const time_t *timer, struct tm *result)
{
struct tm *ts = NULL;
-#if defined(OPENSSL_THREADS) && !defined(OPENSSL_SYS_WIN32) && !defined(OPENSSL_SYS_MACOSX)
+#if defined(OPENSSL_THREADS) && defined(OPENSSL_SYS_VMS)
+ {
+ /*
+ * On VMS, gmtime_r() takes a 32-bit pointer as second argument.
+ * Since we can't know that |result| is in a space that can easily
+ * translate to a 32-bit pointer, we must store temporarly on stack
+ * and copy the result. The stack is always reachable with 32-bit
+ * pointers.
+ */
+#if defined(OPENSSL_SYS_VMS) && __INITIAL_POINTER_SIZE
+# pragma pointer_size save
+# pragma pointer_size 32
+#endif
+ struct tm data, *ts2 = &data;
+#if defined OPENSSL_SYS_VMS && __INITIAL_POINTER_SIZE
+# pragma pointer_size restore
+#endif
+ if (gmtime_r(timer, ts2) == NULL)
+ return NULL;
+ memcpy(result, ts2, sizeof(struct tm));
+ ts = result;
+ }
+#elif defined(OPENSSL_THREADS) && !defined(OPENSSL_SYS_WIN32) && !defined(OPENSSL_SYS_MACOSX)
if (gmtime_r(timer, result) == NULL)
return NULL;
ts = result;
