[src/trunk]: src/games/rain Enable WARNS=3 and pass lint(1).

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

details:   https://anonhg.NetBSD.org/src/rev/966859aa7603
branches:  trunk
changeset: 583488:966859aa7603
user:      rpaulo <rpaulo%NetBSD.org@localhost>
date:      Tue Aug 09 09:15:23 2005 +0000

description:
Enable WARNS=3 and pass lint(1).

ok christos@

diffstat:

 games/rain/Makefile |   3 ++-
 games/rain/rain.c   |  47 ++++++++++++++++++++++++-----------------------
 2 files changed, 26 insertions(+), 24 deletions(-)

diffs (110 lines):

diff -r 394c7758a96d -r 966859aa7603 games/rain/Makefile
--- a/games/rain/Makefile       Tue Aug 09 02:38:32 2005 +0000
+++ b/games/rain/Makefile       Tue Aug 09 09:15:23 2005 +0000
@@ -1,6 +1,7 @@
-#      $NetBSD: Makefile,v 1.8 1999/07/30 02:14:56 hubertf Exp $
+#      $NetBSD: Makefile,v 1.9 2005/08/09 09:15:23 rpaulo Exp $
 #      @(#)Makefile    8.1 (Berkeley) 5/31/93
 
+WARNS= 3
 PROG=  rain
 MAN=   rain.6
 DPADD= ${LIBCURSES}
diff -r 394c7758a96d -r 966859aa7603 games/rain/rain.c
--- a/games/rain/rain.c Tue Aug 09 02:38:32 2005 +0000
+++ b/games/rain/rain.c Tue Aug 09 09:15:23 2005 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: rain.c,v 1.17 2004/05/02 21:31:23 christos Exp $       */
+/*     $NetBSD: rain.c,v 1.18 2005/08/09 09:15:23 rpaulo Exp $ */
 
 /*
  * Copyright (c) 1980, 1993
@@ -39,7 +39,7 @@
 #if 0
 static char sccsid[] = "@(#)rain.c     8.1 (Berkeley) 5/31/93";
 #else
-__RCSID("$NetBSD: rain.c,v 1.17 2004/05/02 21:31:23 christos Exp $");
+__RCSID("$NetBSD: rain.c,v 1.18 2005/08/09 09:15:23 rpaulo Exp $");
 #endif
 #endif /* not lint */
 
@@ -93,7 +93,7 @@
                        return 1;
                }
 
-       initscr();
+       (void)initscr();
        cols = COLS - 4;
        lines = LINES - 4;
 
@@ -101,49 +101,50 @@
        (void)signal(SIGINT, onsig);
        (void)signal(SIGTERM, onsig);
 
-       curs_set(0);
+       (void)curs_set(0);
        for (j = 4; j >= 0; --j) {
                xpos[j] = random() % cols + 2;
                ypos[j] = random() % lines + 2;
        }
        for (j = 0;;) {
                if (sig_caught) {
-                       endwin();
+                       (void)endwin();
                        exit(0);
                }
                x = random() % cols + 2;
                y = random() % lines + 2;
-               mvaddch(y, x, '.');
-               mvaddch(ypos[j], xpos[j], 'o');
+               (void)mvaddch(y, x, '.');
+               (void)mvaddch(ypos[j], xpos[j], 'o');
                if (!j--)
                        j = 4;
-               mvaddch(ypos[j], xpos[j], 'O');
+               (void)mvaddch(ypos[j], xpos[j], 'O');
                if (!j--)
                        j = 4;
-               mvaddch(ypos[j] - 1, xpos[j], '-');
-               mvaddstr(ypos[j], xpos[j] - 1, "|.|");
-               mvaddch(ypos[j] + 1, xpos[j], '-');
+               (void)mvaddch(ypos[j] - 1, xpos[j], '-');
+               (void)mvaddstr(ypos[j], xpos[j] - 1, "|.|");
+               (void)mvaddch(ypos[j] + 1, xpos[j], '-');
                if (!j--)
                        j = 4;
-               mvaddch(ypos[j] - 2, xpos[j], '-');
-               mvaddstr(ypos[j] - 1, xpos[j] - 1, "/ \\");
-               mvaddstr(ypos[j], xpos[j] - 2, "| O |");
-               mvaddstr(ypos[j] + 1, xpos[j] - 1, "\\ /");
-               mvaddch(ypos[j] + 2, xpos[j], '-');
+               (void)mvaddch(ypos[j] - 2, xpos[j], '-');
+               (void)mvaddstr(ypos[j] - 1, xpos[j] - 1, "/ \\");
+               (void)mvaddstr(ypos[j], xpos[j] - 2, "| O |");
+               (void)mvaddstr(ypos[j] + 1, xpos[j] - 1, "\\ /");
+               (void)mvaddch(ypos[j] + 2, xpos[j], '-');
                if (!j--)
                        j = 4;
-               mvaddch(ypos[j] - 2, xpos[j], ' ');
-               mvaddstr(ypos[j] - 1, xpos[j] - 1, "   ");
-               mvaddstr(ypos[j], xpos[j] - 2, "     ");
-               mvaddstr(ypos[j] + 1, xpos[j] - 1, "   ");
-               mvaddch(ypos[j] + 2, xpos[j], ' ');
+               (void)mvaddch(ypos[j] - 2, xpos[j], ' ');
+               (void)mvaddstr(ypos[j] - 1, xpos[j] - 1, "   ");
+               (void)mvaddstr(ypos[j], xpos[j] - 2, "     ");
+               (void)mvaddstr(ypos[j] + 1, xpos[j] - 1, "   ");
+               (void)mvaddch(ypos[j] + 2, xpos[j], ' ');
                xpos[j] = x;
                ypos[j] = y;
-               refresh();
-               if (delay) usleep(delay);
+               (void)refresh();
+               if (delay) (void)usleep(delay);
        }
 }
 
+/* ARGSUSED */
 static void
 onsig(int dummy __attribute__((__unused__)))
 {