Use random() instead of rand(), and seed with time instead of pid.

diff --git a/robots/main.c b/robots/main.c
index c106a96c9fca96a8269ed557232adf4cba15fb48..9868403a8324951225af01c376eb756b55987d7d 100644 (file)
--- a/robots/main.c
+++ b/robots/main.c
@@ -1,4 +1,4 @@
-/*     $NetBSD: main.c,v 1.28 2009/07/20 06:39:06 dholland Exp $       */
+/*     $NetBSD: main.c,v 1.29 2009/07/20 06:43:18 dholland Exp $       */
 
 /*
  * Copyright (c) 1980, 1993
@@ -39,7 +39,7 @@ __COPYRIGHT("@(#) Copyright (c) 1980, 1993\
 #if 0
 static char sccsid[] = "@(#)main.c     8.1 (Berkeley) 5/31/93";
 #else
-__RCSID("$NetBSD: main.c,v 1.28 2009/07/20 06:39:06 dholland Exp $");
+__RCSID("$NetBSD: main.c,v 1.29 2009/07/20 06:43:18 dholland Exp $");
 #endif
 #endif /* not lint */
 
@@ -50,6 +50,7 @@ __RCSID("$NetBSD: main.c,v 1.28 2009/07/20 06:39:06 dholland Exp $");
 #include <fcntl.h>
 #include <signal.h>
 #include <stdlib.h>
+#include <time.h>
 #include <unistd.h>
 #include "robots.h"
 
@@ -167,7 +168,7 @@ main(int ac, char **av)
                stdscr = newwin(Y_SIZE, X_SIZE, 0, 0);
        }
 
-       srand(getpid());
+       srandom(time(NULL));
        if (Real_time)
                signal(SIGALRM, move_robots);
        do {

diff --git a/robots/rnd_pos.c b/robots/rnd_pos.c
index e5a0b4c3b1d82726646fb5d5765829601f32caa8..65baea60f76e2d74dcf4a8387f68bbce82359cb3 100644 (file)
--- a/robots/rnd_pos.c
+++ b/robots/rnd_pos.c
@@ -1,4 +1,4 @@
-/*     $NetBSD: rnd_pos.c,v 1.8 2009/07/20 06:39:06 dholland Exp $     */
+/*     $NetBSD: rnd_pos.c,v 1.9 2009/07/20 06:43:18 dholland Exp $     */
 
 /*
  * Copyright (c) 1980, 1993
@@ -34,7 +34,7 @@
 #if 0
 static char sccsid[] = "@(#)rnd_pos.c  8.1 (Berkeley) 5/31/93";
 #else
-__RCSID("$NetBSD: rnd_pos.c,v 1.8 2009/07/20 06:39:06 dholland Exp $");
+__RCSID("$NetBSD: rnd_pos.c,v 1.9 2009/07/20 06:43:18 dholland Exp $");
 #endif
 #endif /* not lint */
 
@@ -67,5 +67,5 @@ int
 rnd(int range)
 {
 
-       return rand() % range;
+       return random() % range;
 }