1/*
2 * Copyright (c) 2022 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 *     http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16#include <sys/types.h>
17#include <sys/stat.h>
18#include <fcntl.h>
19#include <unistd.h>
20#include <iostream>
21#include <fstream>
22#include "string_ex.h"
23#include "media_errors.h"
24#include "directory_ex.h"
25#include "aw_common.h"
26
27
28using namespace std;
29using namespace OHOS;
30using namespace Media;
31using namespace PlayerTestParam;
32
33namespace OHOS {
34namespace Media {
35namespace PlayerTestParam {
36int32_t WriteDataToFile(const std::string &path, const std::uint8_t *data, std::size_t size)
37{
38    FILE *file = nullptr;
39    file = fopen(path.c_str(), "w+");
40    if (file == nullptr) {
41        return -1;
42    }
43    if (fwrite(data, 1, size, file) != size) {
44        (void)fclose(file);
45        return -1;
46    }
47    (void)fclose(file);
48    return 0;
49}
50
51int32_t ProduceRandomNumberCrypt(void)
52{
53    int32_t r = 0;
54    int fd = open("/dev/random", O_RDONLY);
55    if (fd > 0) {
56        read(fd, &r, sizeof(int32_t));
57    }
58    close(fd);
59    return r;
60}
61}
62}
63}