[hackers] [st][PATCH 1/3] Rearrange run with fast exit

[Ivan Tham]

Quickly swap out of loop to reduce indentation.
---
 x.c | 55 +++++++++++++++++++++++++++----------------------------
 1 file changed, 27 insertions(+), 28 deletions(-)

diff --git a/x.c b/x.c
index 48a6676..03f397f 100644
--- a/x.c
+++ b/x.c
@@ -1919,37 +1919,36 @@ run(void)
                        last = now;
                }
 
-               if (dodraw) {
-                       while (XPending(xw.dpy)) {
-                               XNextEvent(xw.dpy, &ev);
-                               if (XFilterEvent(&ev, None))
-                                       continue;
-                               if (handler[ev.type])
-                                       (handler[ev.type])(&ev);
-                       }
+               if (!dodraw)
+                       continue;
+               while (XPending(xw.dpy)) {
+                       XNextEvent(xw.dpy, &ev);
+                       if (XFilterEvent(&ev, None))
+                               continue;
+                       if (handler[ev.type])
+                               (handler[ev.type])(&ev);
+               }
+
+               draw();
+               XFlush(xw.dpy);
 
-                       draw();
-                       XFlush(xw.dpy);
-
-                       if (xev && !FD_ISSET(xfd, &rfd))
-                               xev--;
-                       if (!FD_ISSET(ttyfd, &rfd) && !FD_ISSET(xfd, &rfd)) {
-                               if (blinkset) {
-                                       if (TIMEDIFF(now, lastblink) \
-                                                       > blinktimeout) {
-                                               drawtimeout.tv_nsec = 1000;
-                                       } else {
-                                               drawtimeout.tv_nsec = (1E6 * \
-                                                       (blinktimeout - \
-                                                       TIMEDIFF(now,
-                                                               lastblink)));
-                                       }
-                                       drawtimeout.tv_sec = \
-                                           drawtimeout.tv_nsec / 1E9;
-                                       drawtimeout.tv_nsec %= (long)1E9;
+               if (xev && !FD_ISSET(xfd, &rfd))
+                       xev--;
+               if (!FD_ISSET(ttyfd, &rfd) && !FD_ISSET(xfd, &rfd)) {
+                       if (blinkset) {
+                               if (TIMEDIFF(now, lastblink) \
+                                               > blinktimeout) {
+                                       drawtimeout.tv_nsec = 1000;
                                } else {
-                                       tv = NULL;
+                                       drawtimeout.tv_nsec = (1E6 * \
+                                               (blinktimeout - \
+                                               TIMEDIFF(now, lastblink)));
                                }
+                               drawtimeout.tv_sec = \
+                                       drawtimeout.tv_nsec / 1E9;
+                               drawtimeout.tv_nsec %= (long)1E9;
+                       } else {
+                               tv = NULL;
                        }
                }
        }
-- 
2.25.2