I was disappointed that someone wrote disappointed with two 's', so I fixed it.

[bsdgames-darwin.git] / rogue / random.c

diff --git a/rogue/random.c b/rogue/random.c
index 6e2abc6025ac8cc1df257bc8d9f6a92314b27bc7..f119c0f9c572f1bcd5cc5fb54c2d2d3f5992d389 100644 (file)
--- a/rogue/random.c
+++ b/rogue/random.c
@@ -1,4 +1,4 @@
-/*     $NetBSD: random.c,v 1.3 1995/04/22 10:28:06 cgd Exp $   */
+/*     $NetBSD: random.c,v 1.8 2009/08/12 08:44:45 dholland Exp $      */
 
 /*
  * Copyright (c) 1988, 1993
@@ -15,11 +15,7 @@
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *     This product includes software developed by the University of
- *     California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
+ * 3. Neither the name of the University nor the names of its contributors
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *
@@ -36,14 +32,17 @@
  * SUCH DAMAGE.
  */
 
+#include <sys/cdefs.h>
 #ifndef lint
 #if 0
 static char sccsid[] = "@(#)random.c   8.1 (Berkeley) 5/31/93";
 #else
-static char rcsid[] = "$NetBSD: random.c,v 1.3 1995/04/22 10:28:06 cgd Exp $";
+__RCSID("$NetBSD: random.c,v 1.8 2009/08/12 08:44:45 dholland Exp $");
 #endif
 #endif /* not lint */
 
+#include "rogue.h"
+
 /*
  * random.c
  *
@@ -57,11 +56,11 @@ static char rcsid[] = "$NetBSD: random.c,v 1.3 1995/04/22 10:28:06 cgd Exp $";
  */
 
 static long rntb[32] = {
-                3, 0x9a319039, 0x32d9c024, 0x9b663182, 0x5da1f342, 
+                3, 0x9a319039, 0x32d9c024, 0x9b663182, 0x5da1f342,
        0xde3b81e0, 0xdf0a6fb5, 0xf103bc02, 0x48f340fb, 0x7449e56b,
        0xbeb1dbb0, 0xab5c5918, 0x946554fd, 0x8c2e680f, 0xeb3d799f,
        0xb11ee0b7, 0x2d436b86, 0xda672e2a, 0x1588ca88, 0xe369735d,
-       0x904f35f7, 0xd7158fd6, 0x6fa6f051, 0x616e6b96, 0xac94efdc, 
+       0x904f35f7, 0xd7158fd6, 0x6fa6f051, 0x616e6b96, 0xac94efdc,
        0x36413f93, 0xc622c298, 0xf5a42ab8, 0x8a88d77b, 0xf5ad9d0e,
        0x8999220b, 0x27fb47b9
 };
@@ -74,13 +73,14 @@ static int rand_deg = 31;
 static int rand_sep = 3;
 static long *end_ptr = &rntb[32];
 
-srrandom(x)
-int x;
+static long rrandom(void);
+
+void
+srrandom(int x)
 {
-       register int i;
-       long rrandom();
+       int i;
 
-       state[0] = (long) x;
+       state[0] = x;
        if (rand_type != 0) {
                for (i = 1; i < rand_deg; i++) {
                        state[i] = 1103515245 * state[i - 1] + 12345;
@@ -88,16 +88,16 @@ int x;
                fptr = &state[rand_sep];
                rptr = &state[0];
                for (i = 0; i < 10 * rand_deg; i++) {
-                       (void) rrandom();
+                       (void)rrandom();
                }
        }
 }
 
-long
-rrandom()
+static long
+rrandom(void)
 {
        long i;
-       
+
        if (rand_type == 0) {
                i = state[0] = (state[0]*1103515245 + 12345) & 0x7fffffff;
        } else {
@@ -115,10 +115,10 @@ rrandom()
        return(i);
 }
 
-get_rand(x, y)
-register int x, y;
+int
+get_rand(int x, int y)
 {
-       register int r, t;
+       int r, t;
        long lr;
 
        if (x > y) {
@@ -127,20 +127,20 @@ register int x, y;
                x = t;
        }
        lr = rrandom();
-       lr &= (long) 0x00003fff;
-       r = (int) lr;
+       lr &= 0x00003fffL;
+       r = (int)lr;
        r = (r % ((y - x) + 1)) + x;
        return(r);
 }
 
-rand_percent(percentage)
-register int percentage;
+int
+rand_percent(int percentage)
 {
        return(get_rand(1, 100) <= percentage);
 }
 
-coin_toss()
+int
+coin_toss(void)
 {
-
        return(((rrandom() & 01) ? 1 : 0));
 }