void CRYPTO_free(void *str, const char *file, int line)
{
    INCREMENT(free_count);
    if (free_impl != NULL && free_impl != &CRYPTO_free) {
        free_impl(str, file, line);
        return;
    }
#if !defined(OPENSSL_NO_CRYPTO_MDEBUG) && !defined(FIPS_MODE)
    if (call_malloc_debug) {
        CRYPTO_mem_debug_free(str, 0, file, line);
        free(str);
        CRYPTO_mem_debug_free(str, 1, file, line);
    } else {
        free(str);
    }
#else
    free(str);
#endif
}
['int EVP_MD_CTX_copy(EVP_MD_CTX *out, const EVP_MD_CTX *in)\n{\n    EVP_MD_CTX_reset(out);\n    return EVP_MD_CTX_copy_ex(out, in);\n}', 'int EVP_MD_CTX_reset(EVP_MD_CTX *ctx)\n{\n    if (ctx == NULL)\n        return 1;\n    if (ctx->digest == NULL || ctx->digest->prov == NULL)\n        goto legacy;\n    if (ctx->provctx != NULL) {\n        if (ctx->digest->freectx != NULL)\n            ctx->digest->freectx(ctx->provctx);\n        ctx->provctx = NULL;\n        EVP_MD_CTX_set_flags(ctx, EVP_MD_CTX_FLAG_CLEANED);\n    }\n    if (ctx->pctx != NULL)\n        goto legacy;\n    return 1;\n legacy:\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#ifndef FIPS_MODE\n    if (!EVP_MD_CTX_test_flags(ctx, EVP_MD_CTX_FLAG_KEEP_PKEY_CTX))\n        EVP_PKEY_CTX_free(ctx->pctx);\n# ifndef OPENSSL_NO_ENGINE\n    ENGINE_finish(ctx->engine);\n# endif\n#endif\n    OPENSSL_cleanse(ctx, sizeof(*ctx));\n    return 1;\n}', 'void CRYPTO_clear_free(void *str, size_t num, const char *file, int line)\n{\n    if (str == NULL)\n        return;\n    if (num)\n        OPENSSL_cleanse(str, num);\n    CRYPTO_free(str, file, line);\n}', 'void CRYPTO_free(void *str, const char *file, int line)\n{\n    INCREMENT(free_count);\n    if (free_impl != NULL && free_impl != &CRYPTO_free) {\n        free_impl(str, file, line);\n        return;\n    }\n#if !defined(OPENSSL_NO_CRYPTO_MDEBUG) && !defined(FIPS_MODE)\n    if (call_malloc_debug) {\n        CRYPTO_mem_debug_free(str, 0, file, line);\n        free(str);\n        CRYPTO_mem_debug_free(str, 1, file, line);\n    } else {\n        free(str);\n    }\n#else\n    free(str);\n#endif\n}']