BSD 4_4 release

[unix-history] / usr / src / games / hangman / getword.c

diff --git a/usr/src/games/hangman/getword.c b/usr/src/games/hangman/getword.c
index b28c0ce..da339e4 100644 (file)
--- a/usr/src/games/hangman/getword.c
+++ b/usr/src/games/hangman/getword.c
@@ -1,10 +1,42 @@
-# include      "hangman.h"
+/*
+ * Copyright (c) 1983, 1993
+ *     The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 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
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */

 
 

-# if pdp11
-#      define  RN      (((off_t) rand() << 16) | (off_t) rand())
-# else
-#      define  RN      rand()
-# endif
+#ifndef lint
+static char sccsid[] = "@(#)getword.c  8.1 (Berkeley) 5/31/93";
+#endif /* not lint */
+
+#include "hangman.h"
+#include <stdlib.h>

 
 /*
  * getword:
 
 /*
  * getword:


@@ -14,10 +46,12 @@ getword()
 {
        register FILE           *inf;
        register char           *wp, *gp;
 {
        register FILE           *inf;
        register char           *wp, *gp;

+       register long            pos;

 
        inf = Dict;
        for (;;) {
 
        inf = Dict;
        for (;;) {

-               fseek(inf, abs(RN % Dict_size), 0);
+               pos = (double)rand() / (RAND_MAX + 1.0) * (double)Dict_size;
+               fseek(inf, pos, 0);

                if (fgets(Word, BUFSIZ, inf) == NULL)
                        continue;
                if (fgets(Word, BUFSIZ, inf) == NULL)
                if (fgets(Word, BUFSIZ, inf) == NULL)
                        continue;
                if (fgets(Word, BUFSIZ, inf) == NULL)


@@ -39,17 +73,3 @@ cont:                ;
        }
        *gp = '\0';
 }
        }
        *gp = '\0';
 }

-
-/*
- * abs:
- *     Return the absolute value of an integer
- */
-off_t
-abs(i)
-off_t  i;
-{
-       if (i < 0)
-               return -(off_t) i;
-       else
-               return (off_t) i;
-}