diff --git a/libraries/libldap/string.c b/libraries/libldap/string.c
new file mode 100644
index 0000000000000000000000000000000000000000..a251a660cc304127a882c0977deab806fecca6dd
--- /dev/null
+++ b/libraries/libldap/string.c
@@ -0,0 +1,26 @@
+/*
+ * Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
+ * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+ */
+
+#include "portable.h"
+
+#include <stdlib.h>
+#include <ac/string.h>
+#include <ac/time.h>
+
+#include "ldap-int.h"
+
+char *
+(ldap_pvt_strdup)( const char *s )
+{
+        char    *p;
+	int	len;
+	len = strlen( s ) + 1;
+        if ( (p = (char *) malloc( len )) == NULL )
+                return( (char *)0 );
+
+        memcpy( p, s, len );
+
+        return( p );
+}