robots: Use arc4random_uniform for better uniform distribution

[bsdgames-darwin.git] / hack / alloc.c

diff --git a/hack/alloc.c b/hack/alloc.c
index 68713b210a5cc22707a3351e64b2455f5244316e..8f2405e383e112a5d178bbd7739a070e413dfb2c 100644 (file)
--- a/hack/alloc.c
+++ b/hack/alloc.c
@@ -1,49 +1,89 @@
-/*     $NetBSD: alloc.c,v 1.4 1997/10/19 16:56:47 christos Exp $       */
+/*     $NetBSD: alloc.c,v 1.9 2011/08/06 20:18:26 dholland Exp $       */
+
+/*
+ * Copyright (c) 1985, Stichting Centrum voor Wiskunde en Informatica,
+ * Amsterdam
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * - Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * - 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.
+ *
+ * - Neither the name of the Stichting Centrum voor Wiskunde en
+ * Informatica, 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 COPYRIGHT HOLDERS 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 COPYRIGHT OWNER
+ * 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.
+ */
+
+/*
+ * Copyright (c) 1982 Jay Fenlason <hack@gnu.org>
+ * 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. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED ``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 AUTHOR 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.
+ */
+
 #include <sys/cdefs.h>
 #ifndef lint
-__RCSID("$NetBSD: alloc.c,v 1.4 1997/10/19 16:56:47 christos Exp $");
+__RCSID("$NetBSD: alloc.c,v 1.9 2011/08/06 20:18:26 dholland Exp $");
 #endif                         /* not lint */
 
 #include <stdlib.h>
 #include "hack.h"
 #include "extern.h"
 
-#ifdef LINT
-
-/*
-   a ridiculous definition, suppressing
-       "possible pointer alignment problem" for (long *) malloc()
-       "enlarg defined but never used"
-       "ftell defined (in <stdio.h>) but never used"
-   from lint
-*/
-long *
-alloc(n)
-       unsigned        n;
-{
-       long            dummy = ftell(stderr);
-       if (n)
-               dummy = 0;      /* make sure arg is used */
-       return (&dummy);
-}
-
-#else
-
-long *
-alloc(lth)
-       unsigned lth;
+void *
+alloc(size_t len)
 {
-       char  *ptr;
+       void *ptr;
 
-       if (!(ptr = malloc(lth)))
-               panic("Cannot get %d bytes", lth);
-       return ((long *) ptr);
+       ptr = malloc(len);
+       if (ptr == NULL)
+               panic("Cannot get %zu bytes", len);
+       return ptr;
 }
 
-long *
-enlarge(ptr, lth)
-       char  *ptr;
-       unsigned lth;
+#if 0 /* unused */
+static long *
+enlarge(char *ptr, unsigned lth)
 {
        char  *nptr;
 
@@ -51,5 +91,4 @@ enlarge(ptr, lth)
                panic("Cannot reallocate %d bytes", lth);
        return ((long *) nptr);
 }
-
-#endif /* LINT */
+#endif