1/*
2 * Copyright 2016-present Facebook, Inc.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include <folly/portability/SysStat.h>
18
19#ifdef _WIN32
20#include <folly/portability/Windows.h>
21
22extern "C" {
23int chmod(char const* fn, int am) {
24 return _chmod(fn, am);
25}
26
27int fchmod(int fd, mode_t mode) {
28 HANDLE h = (HANDLE)_get_osfhandle(fd);
29 if (h == INVALID_HANDLE_VALUE) {
30 return -1;
31 }
32
33 FILE_ATTRIBUTE_TAG_INFO attr{};
34 if (!GetFileInformationByHandleEx(
35 h, FileAttributeTagInfo, &attr, sizeof(attr))) {
36 return -1;
37 }
38
39 if (mode & _S_IWRITE) {
40 attr.FileAttributes &= ~FILE_ATTRIBUTE_READONLY;
41 } else {
42 attr.FileAttributes |= FILE_ATTRIBUTE_READONLY;
43 }
44
45 if (!SetFileInformationByHandle(
46 h, FileAttributeTagInfo, &attr, sizeof(attr))) {
47 return -1;
48 }
49
50 return 0;
51}
52
53// Just return the result of a normal stat for now
54int lstat(const char* path, struct stat* st) {
55 return stat(path, st);
56}
57
58int mkdir(const char* fn, int /* mode */) {
59 return _mkdir(fn);
60}
61
62int umask(int md) {
63 return _umask(md);
64}
65}
66#endif
67