Monotonic clock cannot jump backwards.

The check was introduced back when st used gettimeofday.
The condition is also modified to increment the accuaracy of the
calculation.

diff --git a/st.c b/st.c
index bf5b675..c7589f4 100644 (file)
--- a/st.c
+++ b/st.c
@@ -4003,8 +4003,7 @@ run(void) {
                        dodraw = 1;
                }
                deltatime = TIMEDIFF(now, last);
                        dodraw = 1;
                }
                deltatime = TIMEDIFF(now, last);

-               if(deltatime > (xev? (1000/xfps) : (1000/actionfps))
-                               || deltatime < 0) {
+               if(deltatime > 1000 / (xev ? xfps : actionfps)) {

                        dodraw = 1;
                        last = now;
                }
                        dodraw = 1;
                        last = now;
                }