Make DSO opaque.

[thirdparty/openssl.git] / crypto / dso / dso_null.c

/*
 * Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL project
 * 2000.
 */
/* ====================================================================
 * Copyright (c) 2000 The OpenSSL Project.  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
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 * 2. Redistributions in binary form must reproduce the above copyright
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 * 3. All advertising materials mentioning features or use of this
 *    software must display the following acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
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 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
 *    endorse or promote products derived from this software without
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 * 5. Products derived from this software may not be called "OpenSSL"
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 * 6. Redistributions of any form whatsoever must retain the following
 *    acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
 *
 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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 *
 * This product includes cryptographic software written by Eric Young
 * (eay@cryptsoft.com).  This product includes software written by Tim
 * Hudson (tjh@cryptsoft.com).
 *
 */

/*
 * This "NULL" method is provided as the fallback for systems that have no
 * appropriate support for "shared-libraries".
 */

#include "dso_locl.h"

static DSO_METHOD dso_meth_null = {
    "NULL shared library method",
    NULL,                       /* load */
    NULL,                       /* unload */
    NULL,                       /* bind_var */
    NULL,                       /* bind_func */
    NULL,                       /* ctrl */
    NULL,                       /* dso_name_converter */
    NULL,                       /* dso_merger */
    NULL,                       /* init */
    NULL,                       /* finish */
    NULL,                       /* pathbyaddr */
    NULL                        /* globallookup */
};

DSO_METHOD *DSO_METHOD_null(void)
{
    return &dso_meth_null;
}