Avoid warnings.

[openssl.git] / crypto / ex_data.c

diff --git a/crypto/ex_data.c b/crypto/ex_data.c
index da4d8a416d9bb36737fd485e2379d0c62a1a71c9..3b11e7a55613ce80be92183f298bb1907fed295e 100644 (file)
--- a/crypto/ex_data.c
+++ b/crypto/ex_data.c
@@ -84,13 +84,62 @@
  * copied and put under another distribution licence
  * [including the GNU Public Licence.]
  */
+/* ====================================================================
+ * Copyright (c) 1998-2001 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
+ *    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. 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/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission. For written permission, please contact
+ *    openssl-core@openssl.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ *    nor may "OpenSSL" appear in their names without prior written
+ *    permission of the OpenSSL Project.
+ *
+ * 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
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS 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.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com).  This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
 
-#include <stdio.h>
-#include <stdlib.h>
-#include <openssl/buffer.h>
-#include <openssl/bio.h>
-#include <openssl/lhash.h>
 #include "cryptlib.h"
+#include <openssl/lhash.h>
 
 /* What an "implementation of ex_data functionality" looks like */
 struct st_CRYPTO_EX_DATA_IMPL
@@ -226,16 +275,15 @@ static int ex_data_check(void)
 #define EX_DATA_CHECK(iffail) if(!ex_data && !ex_data_check()) {iffail}
 
 /* This "inner" callback is used by the callback function that follows it */
-static void def_cleanup_util_cb(void *v)
+static void def_cleanup_util_cb(CRYPTO_EX_DATA_FUNCS *funcs)
        {
-       CRYPTO_EX_DATA_FUNCS *funcs = (CRYPTO_EX_DATA_FUNCS *)v;
        OPENSSL_free(funcs);
        }
 
 /* This callback is used in lh_doall to destroy all EX_CLASS_ITEM values from
  * "ex_data" prior to the ex_data hash table being itself destroyed. Doesn't do
  * any locking. */
-static void def_cleanup_cb(const void *a_void)
+static void def_cleanup_cb(void *a_void)
        {
        EX_CLASS_ITEM *item = (EX_CLASS_ITEM *)a_void;
        sk_CRYPTO_EX_DATA_FUNCS_pop_free(item->meth, def_cleanup_util_cb);
@@ -306,7 +354,7 @@ static int def_add_index(EX_CLASS_ITEM *item, long argl, void *argp,
                        }
                }
        toret = item->meth_num++;
-       sk_CRYPTO_EX_DATA_FUNCS_set(item->meth, toret, a);
+       (void)sk_CRYPTO_EX_DATA_FUNCS_set(item->meth, toret, a);
 err:
        CRYPTO_w_unlock(CRYPTO_LOCK_EX_DATA);
        return toret;