1 files changed, 19 insertions, 16 deletions

diff --git a/src/lib/libc/string/strdup.c b/src/lib/libc/string/strdup.c
index 27ede44110..bbea59888c 100644
--- a/src/lib/libc/string/strdup.c
+++ b/src/lib/libc/string/strdup.c
@@ -1,6 +1,8 @@
+/*      $OpenBSD: strdup.c,v 1.5 2003/06/11 21:08:16 deraadt Exp $      */
+
 /*
- * Copyright (c) 1988 The Regents of the University of California.
- * All rights reserved.
+ * Copyright (c) 1988, 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
@@ -10,11 +12,7 @@
  * 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.
  *
@@ -32,23 +30,28 @@
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
-/*static char *sccsid = "from: @(#)strdup.c     5.4 (Berkeley) 2/24/91";*/
-static char *rcsid = "$Id: strdup.c,v 1.1.1.1 1995/10/18 08:42:22 deraadt Exp $";
+#if 0
+static char sccsid[] = "@(#)strdup.c    8.1 (Berkeley) 6/4/93";
+#else
+static char *rcsid = "$OpenBSD: strdup.c,v 1.5 2003/06/11 21:08:16 deraadt Exp $";
+#endif
 #endif /* LIBC_SCCS and not lint */
 
+#include <sys/types.h>
+
+#include <stddef.h>
 #include <stdlib.h>
 #include <string.h>
 
 char *
-strdup(str)
-        const char *str;
+strdup(const char *str)
 {
-        size_t len;
+        size_t siz;
         char *copy;
 
-        len = strlen(str) + 1;
-        if (!(copy = malloc(len)))
-                return((char *)NULL);
-        memcpy(copy, str, len);
+        siz = strlen(str) + 1;
+        if ((copy = malloc(siz)) == NULL)
+                return(NULL);
+        (void)memcpy(copy, str, siz);
         return(copy);
 }