Small code refactoring.

patch/nghttp2_time.diff

@@ -1,29 +1,24 @@
 diff --git "a/lib/nghttp2_time.c" "b/lib/nghttp2_time.c"
-index 897556f..ab06684 100644
+index 897556f..0e4a804 100644
 --- "a/lib/nghttp2_time.c"
 +++ "b/lib/nghttp2_time.c"
-@@ -32,31 +32,15 @@
+@@ -32,31 +32,16 @@
  #  include <sysinfoapi.h>
  #endif /* HAVE_SYSINFOAPI_H */
  
 -#if !defined(HAVE_GETTICKCOUNT64) || defined(__CYGWIN__)
 -static uint64_t time_now_sec(void) {
 -  time_t t = time(NULL);
-+uint64_t nghttp2_time_now_sec(void)
-+{
-+  FILETIME file_time;
-+  ULARGE_INTEGER time_value;
-+  
-+  GetSystemTimeAsFileTime(&file_time);
- 
+-
 -  if (t == -1) {
 -    return 0;
 -  }
-+  time_value.LowPart  = file_time.dwLowDateTime;
-+  time_value.HighPart = file_time.dwHighDateTime;
- 
+-
 -  return (uint64_t)t;
-+  return time_value.QuadPart / 10000000ULL;
++typedef union
++{
++  unsigned __int64 scalar;
++  FILETIME ft_struct;
  }
 -#endif /* !HAVE_GETTICKCOUNT64 || __CYGWIN__ */
 -
@@ -37,9 +32,15 @@ index 897556f..ab06684 100644
 -  if (rv == -1) {
 -    return time_now_sec();
 -  }
--
++ftime_t;
+ 
 -  return (uint64_t)tp.tv_sec;
--}
++uint64_t nghttp2_time_now_sec(void)
++{
++  ftime_t ftime;
++  GetSystemTimeAsFileTime(&(ftime.ft_struct));
++  return ftime.scalar / 10000000ULL;
+ }
 -#else  /* (!HAVE_CLOCK_GETTIME || __CYGWIN__) && !HAVE_GETTICKCOUNT64 */
 -uint64_t nghttp2_time_now_sec(void) { return time_now_sec(); }
 -#endif /* (!HAVE_CLOCK_GETTIME || __CYGWIN__) && !HAVE_GETTICKCOUNT64 */