static int encode_test_run(struct evp_test *t)
{
    struct encode_data *edata = t->data;
    unsigned char *encode_out = NULL, *decode_out = NULL;
    int output_len, chunk_len;
    const char *err = "INTERNAL_ERROR";
    EVP_ENCODE_CTX *decode_ctx = EVP_ENCODE_CTX_new();
    if (decode_ctx == NULL)
        goto err;
    if (edata->encoding == BASE64_CANONICAL_ENCODING) {
        EVP_ENCODE_CTX *encode_ctx = EVP_ENCODE_CTX_new();
        if (encode_ctx == NULL)
            goto err;
        encode_out = OPENSSL_malloc(EVP_ENCODE_LENGTH(edata->input_len));
        if (encode_out == NULL)
            goto err;
        EVP_EncodeInit(encode_ctx);
        EVP_EncodeUpdate(encode_ctx, encode_out, &chunk_len,
                         edata->input, edata->input_len);
        output_len = chunk_len;
        EVP_EncodeFinal(encode_ctx, encode_out + chunk_len, &chunk_len);
        output_len += chunk_len;
        EVP_ENCODE_CTX_free(encode_ctx);
        if (check_var_length_output(t, edata->output, edata->output_len,
                                    encode_out, output_len)) {
            err = "BAD_ENCODING";
            goto err;
        }
    }
    decode_out = OPENSSL_malloc(EVP_DECODE_LENGTH(edata->output_len));
    if (decode_out == NULL)
        goto err;
    EVP_DecodeInit(decode_ctx);
    if (EVP_DecodeUpdate(decode_ctx, decode_out, &chunk_len, edata->output,
                         edata->output_len) < 0) {
        err = "DECODE_ERROR";
        goto err;
    }
    output_len = chunk_len;
    if (EVP_DecodeFinal(decode_ctx, decode_out + chunk_len, &chunk_len) != 1) {
        err = "DECODE_ERROR";
        goto err;
    }
    output_len += chunk_len;
    if (edata->encoding != BASE64_INVALID_ENCODING &&
        check_var_length_output(t, edata->input, edata->input_len,
                                decode_out, output_len)) {
        err = "BAD_DECODING";
        goto err;
    }
    err = NULL;
 err:
    t->err = err;
    OPENSSL_free(encode_out);
    OPENSSL_free(decode_out);
    EVP_ENCODE_CTX_free(decode_ctx);
    return 1;
}
['static int encode_test_run(struct evp_test *t)\n{\n    struct encode_data *edata = t->data;\n    unsigned char *encode_out = NULL, *decode_out = NULL;\n    int output_len, chunk_len;\n    const char *err = "INTERNAL_ERROR";\n    EVP_ENCODE_CTX *decode_ctx = EVP_ENCODE_CTX_new();\n    if (decode_ctx == NULL)\n        goto err;\n    if (edata->encoding == BASE64_CANONICAL_ENCODING) {\n        EVP_ENCODE_CTX *encode_ctx = EVP_ENCODE_CTX_new();\n        if (encode_ctx == NULL)\n            goto err;\n        encode_out = OPENSSL_malloc(EVP_ENCODE_LENGTH(edata->input_len));\n        if (encode_out == NULL)\n            goto err;\n        EVP_EncodeInit(encode_ctx);\n        EVP_EncodeUpdate(encode_ctx, encode_out, &chunk_len,\n                         edata->input, edata->input_len);\n        output_len = chunk_len;\n        EVP_EncodeFinal(encode_ctx, encode_out + chunk_len, &chunk_len);\n        output_len += chunk_len;\n        EVP_ENCODE_CTX_free(encode_ctx);\n        if (check_var_length_output(t, edata->output, edata->output_len,\n                                    encode_out, output_len)) {\n            err = "BAD_ENCODING";\n            goto err;\n        }\n    }\n    decode_out = OPENSSL_malloc(EVP_DECODE_LENGTH(edata->output_len));\n    if (decode_out == NULL)\n        goto err;\n    EVP_DecodeInit(decode_ctx);\n    if (EVP_DecodeUpdate(decode_ctx, decode_out, &chunk_len, edata->output,\n                         edata->output_len) < 0) {\n        err = "DECODE_ERROR";\n        goto err;\n    }\n    output_len = chunk_len;\n    if (EVP_DecodeFinal(decode_ctx, decode_out + chunk_len, &chunk_len) != 1) {\n        err = "DECODE_ERROR";\n        goto err;\n    }\n    output_len += chunk_len;\n    if (edata->encoding != BASE64_INVALID_ENCODING &&\n        check_var_length_output(t, edata->input, edata->input_len,\n                                decode_out, output_len)) {\n        err = "BAD_DECODING";\n        goto err;\n    }\n    err = NULL;\n err:\n    t->err = err;\n    OPENSSL_free(encode_out);\n    OPENSSL_free(decode_out);\n    EVP_ENCODE_CTX_free(decode_ctx);\n    return 1;\n}', 'EVP_ENCODE_CTX *EVP_ENCODE_CTX_new(void)\n{\n    return (EVP_ENCODE_CTX *)OPENSSL_zalloc(sizeof(EVP_ENCODE_CTX));\n}', 'void *CRYPTO_zalloc(size_t num, const char *file, int line)\n{\n    void *ret = CRYPTO_malloc(num, file, line);\n    if (ret != NULL)\n        memset(ret, 0, num);\n    return ret;\n}', 'void *CRYPTO_malloc(size_t num, const char *file, int line)\n{\n    void *ret = NULL;\n    if (num <= 0)\n        return NULL;\n    allow_customize = 0;\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n    if (call_malloc_debug) {\n        CRYPTO_mem_debug_malloc(NULL, num, 0, file, line);\n        ret = malloc(num);\n        CRYPTO_mem_debug_malloc(ret, num, 1, file, line);\n    } else {\n        ret = malloc(num);\n    }\n#else\n    (void)file;\n    (void)line;\n    ret = malloc(num);\n#endif\n#ifndef OPENSSL_CPUID_OBJ\n    if (ret && (num > 2048)) {\n        extern unsigned char cleanse_ctr;\n        ((unsigned char *)ret)[0] = cleanse_ctr;\n    }\n#endif\n    return ret;\n}']