realtime: 32 bits safe

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>

diff --git a/lib/realtime.nit b/lib/realtime.nit
index eac21df..a400619 100644 (file)
--- a/lib/realtime.nit
+++ b/lib/realtime.nit
@@ -74,16 +74,17 @@ extern class Timespec `{struct timespec*`}
        `}
 
        # Subtract `other` from `self`
-       fun -(other: Timespec): Timespec
-       do
-               var s = sec - other.sec
-               var ns = nanosec - other.nanosec
-               if ns < 0 then
-                       s -= 1
-                       ns += 1000000000
-               end
-               return new Timespec(s, ns)
-       end
+       fun -(other: Timespec): Timespec `{
+               time_t s = self->tv_sec - other->tv_sec;
+               long ns = self->tv_nsec - other->tv_nsec;
+               if (ns < 0) {
+                       s -= 1;
+                       ns += 1000000000l;
+               }
+               struct timespec* tv = malloc(sizeof(struct timespec));
+               tv->tv_sec = s; tv->tv_nsec = ns;
+               return tv;
+       `}
 
        # Number of whole seconds of elapsed time.
        fun sec : Int `{
@@ -114,7 +115,9 @@ extern class Timespec `{struct timespec*`}
        # Number of seconds as a `Float`
        #
        # Incurs a loss of precision, but the result is pretty to print.
-       fun to_f: Float do return sec.to_f + nanosec.to_f / 1000000000.0
+       fun to_f: Float `{
+               return (double)self->tv_sec + 0.000000001 * self->tv_nsec;
+       `}
 
        redef fun to_s do return "{to_f}s"
 end