1 files changed, 17 insertions, 9 deletions

diff --git a/src/lib/libc/string/strdup.c b/src/lib/libc/string/strdup.c
index 27ede44110..be7f7ad094 100644
--- a/src/lib/libc/string/strdup.c
+++ b/src/lib/libc/string/strdup.c
@@ -1,6 +1,8 @@
+/*      $OpenBSD: strdup.c,v 1.3 1997/08/20 04:18:52 millert 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
@@ -32,10 +34,16 @@
  */
 
 #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 1.3 1997/08/20 04:18:52 millert Exp $";
+#endif
 #endif /* LIBC_SCCS and not lint */
 
+#include <sys/types.h>
+
+#include <stddef.h>
 #include <stdlib.h>
 #include <string.h>
 
@@ -43,12 +51,12 @@ char *
 strdup(str)
         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);
 }