void CRYPTO_free(void *str)
{
#ifndef OPENSSL_NO_CRYPTO_MDEBUG
    if (call_malloc_debug) {
        CRYPTO_mem_debug_free(str, 0);
        free(str);
        CRYPTO_mem_debug_free(str, 1);
    } else {
        free(str);
    }
#else
    free(str);
#endif
}
['int HMAC_Init(HMAC_CTX *ctx, const void *key, int len, const EVP_MD *md)\n{\n    if (key && md)\n        HMAC_CTX_reset(ctx);\n    return HMAC_Init_ex(ctx, key, len, md, NULL);\n}', 'int HMAC_CTX_reset(HMAC_CTX *ctx)\n{\n    hmac_ctx_cleanup(ctx);\n    if (ctx->i_ctx == NULL)\n        ctx->i_ctx = EVP_MD_CTX_new();\n    if (ctx->i_ctx == NULL)\n        goto err;\n    if (ctx->o_ctx == NULL)\n        ctx->o_ctx = EVP_MD_CTX_new();\n    if (ctx->o_ctx == NULL)\n        goto err;\n    if (ctx->md_ctx == NULL)\n        ctx->md_ctx = EVP_MD_CTX_new();\n    if (ctx->md_ctx == NULL)\n        goto err;\n    ctx->md = NULL;\n    return 1;\n err:\n    hmac_ctx_cleanup(ctx);\n    return 0;\n}', 'static void hmac_ctx_cleanup(HMAC_CTX *ctx)\n{\n    EVP_MD_CTX_reset(ctx->i_ctx);\n    EVP_MD_CTX_reset(ctx->o_ctx);\n    EVP_MD_CTX_reset(ctx->md_ctx);\n    ctx->md = NULL;\n    ctx->key_length = 0;\n    memset(ctx->key, 0, sizeof(HMAC_MAX_MD_CBLOCK));\n}', 'int EVP_MD_CTX_reset(EVP_MD_CTX *ctx)\n{\n    if (ctx == NULL)\n        return 1;\n    if (ctx->digest && ctx->digest->cleanup\n        && !EVP_MD_CTX_test_flags(ctx, EVP_MD_CTX_FLAG_CLEANED))\n        ctx->digest->cleanup(ctx);\n    if (ctx->digest && ctx->digest->ctx_size && ctx->md_data\n        && !EVP_MD_CTX_test_flags(ctx, EVP_MD_CTX_FLAG_REUSE)) {\n        OPENSSL_clear_free(ctx->md_data, ctx->digest->ctx_size);\n    }\n    EVP_PKEY_CTX_free(ctx->pctx);\n#ifndef OPENSSL_NO_ENGINE\n    if (ctx->engine)\n        ENGINE_finish(ctx->engine);\n#endif\n    memset(ctx, 0, sizeof(*ctx));\n    return 1;\n}', 'void CRYPTO_clear_free(void *str, size_t num)\n{\n    if (str == NULL)\n        return;\n    if (num)\n        OPENSSL_cleanse(str, num);\n    CRYPTO_free(str);\n}', 'void CRYPTO_free(void *str)\n{\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n    if (call_malloc_debug) {\n        CRYPTO_mem_debug_free(str, 0);\n        free(str);\n        CRYPTO_mem_debug_free(str, 1);\n    } else {\n        free(str);\n    }\n#else\n    free(str);\n#endif\n}']