1 /*
2 * Copyright (c) 2024 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 "file_fs_impl.h"
17 #include "n_error.h"
18 #include "mkdtemp.h"
19 #include "utils.h"
20
21 #include <cstring>
22
23 using namespace OHOS::FFI;
24 using namespace OHOS::CJSystemapi;
25 using namespace OHOS::FileManagement::LibN;
26
27
28 namespace OHOS {
29 namespace CJSystemapi {
30
MallocCString(const std::string & origin)31 char* MallocCString(const std::string& origin)
32 {
33 if (origin.empty()) {
34 return nullptr;
35 }
36 auto len = origin.length() + 1;
37 char* res = static_cast<char*>(malloc(sizeof(char) * len));
38 if (res == nullptr) {
39 return nullptr;
40 }
41 return std::char_traits<char>::copy(res, origin.c_str(), len);
42 }
43
Mkdtemp(const std::string & prefix)44 RetDataCString MkdtempImpl::Mkdtemp(const std::string& prefix)
45 {
46 LOGI("FS_TEST:: MkdtempImpl::Mkdtemp start");
47 RetDataCString ret = { .code = ERR_INVALID_INSTANCE_CODE, .data = nullptr };
48 std::unique_ptr<uv_fs_t, decltype(CommonFunc::FsReqCleanup)*> mkdtemp_req = {
49 new (std::nothrow) uv_fs_t, CommonFunc::FsReqCleanup };
50 if (!mkdtemp_req) {
51 LOGE("Failed to request heap memory.");
52 ret.code = ENOMEM;
53 return ret;
54 }
55 int code = uv_fs_mkdtemp(nullptr, mkdtemp_req.get(), const_cast<char *>(prefix.c_str()), nullptr);
56 ret.code = code;
57 if (code < 0) {
58 LOGE("Failed to create a temporary directory with path");
59 return ret;
60 }
61 ret.data = MallocCString(mkdtemp_req->path);
62 LOGI("FS_TEST:: MkdtempImpl::Mkdtemp end");
63 return ret;
64 }
65
66 }
67 } // namespace OHOS::CJSystemapi