[src/trunk]: src/games/tetris elide compiler stupidity.

[christos <christos%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/cc1935493eb0
branches:  trunk
changeset: 822453:cc1935493eb0
user:      christos <christos%NetBSD.org@localhost>
date:      Mon Mar 20 22:05:27 2017 +0000

description:
elide compiler stupidity.

diffstat:

 games/tetris/screen.c |  24 +++++++++++++-----------
 1 files changed, 13 insertions(+), 11 deletions(-)

diffs (48 lines):

diff -r 01b9de8606c2 -r cc1935493eb0 games/tetris/screen.c
--- a/games/tetris/screen.c     Mon Mar 20 21:30:47 2017 +0000
+++ b/games/tetris/screen.c     Mon Mar 20 22:05:27 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: screen.c,v 1.32 2016/03/03 21:38:55 nat Exp $  */
+/*     $NetBSD: screen.c,v 1.33 2017/03/20 22:05:27 christos Exp $     */
 
 /*-
  * Copyright (c) 1992, 1993
@@ -212,10 +212,11 @@
         * We made it.  We are now in screen mode, modulo TIstr
         * (which we will fix immediately).
         */
-       if (enter_ca_mode)
-               putstr(enter_ca_mode);
-       if (cursor_invisible)
-               putstr(cursor_invisible);
+       const char *tstr;
+       if ((tstr = enter_ca_mode) != NULL)
+               putstr(tstr);
+       if ((tstr = cursor_invisible) != NULL)
+               putstr(tstr);
        if (tstp != SIG_IGN)
                (void) signal(SIGTSTP, scr_stop);
        if (ttou != SIG_IGN)
@@ -239,15 +240,16 @@
        sigaddset(&nsigset, SIGTTOU);
        (void) sigprocmask(SIG_BLOCK, &nsigset, &osigset);
        /* move cursor to last line */
-       if (cursor_to_ll)
-               putstr(cursor_to_ll);
+       const char *tstr;
+       if ((tstr = cursor_to_ll) != NULL)
+               putstr(tstr);
        else
                moveto(Rows - 1, 0);
        /* exit screen mode */
-       if (exit_ca_mode)
-               putstr(exit_ca_mode);
-       if (cursor_normal)
-               putstr(cursor_normal);
+       if ((tstr = exit_ca_mode) != NULL)
+               putstr(tstr);
+       if ((tstr = cursor_normal) != NULL)
+               putstr(tstr);
        (void) fflush(stdout);
        (void) tcsetattr(0, TCSADRAIN, &oldtt);
        isset = 0;