crypto/evp/legacy_meth.h


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/*
 * Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
 *
 * Licensed under the Apache License 2.0 (the "License").  You may not use
 * this file except in compliance with the License.  You can obtain a copy
 * in the file LICENSE in the source distribution or at
 * https://www.openssl.org/source/license.html
 */

#define IMPLEMENT_LEGACY_EVP_MD_METH(nm, fn)                                   \
static int nm##_init(EVP_MD_CTX *ctx)                                          \
{                                                                              \
    return fn##_Init(EVP_MD_CTX_md_data(ctx));                                 \
}                                                                              \
static int nm##_update(EVP_MD_CTX *ctx, const void *data, size_t count)        \
{                                                                              \
    return fn##_Update(EVP_MD_CTX_md_data(ctx), data, count);                  \
}                                                                              \
static int nm##_final(EVP_MD_CTX *ctx, unsigned char *md)                      \
{                                                                              \
    return fn##_Final(md, EVP_MD_CTX_md_data(ctx));                            \
}

#define IMPLEMENT_LEGACY_EVP_MD_METH_LC(nm, fn)                                \
static int nm##_init(EVP_MD_CTX *ctx)                                          \
{                                                                              \
    return fn##_init(EVP_MD_CTX_md_data(ctx));                                 \
}                                                                              \
static int nm##_update(EVP_MD_CTX *ctx, const void *data, size_t count)        \
{                                                                              \
    return fn##_update(EVP_MD_CTX_md_data(ctx), data, count);                  \
}                                                                              \
static int nm##_final(EVP_MD_CTX *ctx, unsigned char *md)                      \
{                                                                              \
    return fn##_final(md, EVP_MD_CTX_md_data(ctx));                            \
}


#define LEGACY_EVP_MD_METH_TABLE(init, update, final, ctrl, blksz)             \
    init, update, final, NULL, NULL, blksz, 0, ctrl