projects / apple / libc.git / blame
| Commit | Line | Data |
|---|---|---|
| b061a43b A |
1 | /* |
| 2 | * Copyright (c) 2017 Apple Inc. All rights reserved. | |
| 3 | * | |
| 4 | * @APPLE_APACHE_LICENSE_HEADER_START@ | |
| 5 | * | |
| 6 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
| 7 | * you may not use this file except in compliance with the License. | |
| 8 | * You may obtain a copy of the License at | |
| 9 | * | |
| 10 | * http://www.apache.org/licenses/LICENSE-2.0 | |
| 11 | * | |
| 12 | * Unless required by applicable law or agreed to in writing, software | |
| 13 | * distributed under the License is distributed on an "AS IS" BASIS, | |
| 14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 15 | * See the License for the specific language governing permissions and | |
| 16 | * limitations under the License. | |
| 17 | * | |
| 18 | * @APPLE_APACHE_LICENSE_HEADER_END@ | |
| 19 | */ | |
| 20 | ||
| 21 | #ifndef __DIRSTAT_H__ | |
| 22 | #define __DIRSTAT_H__ | |
| 23 | ||
| 70ad1dc8 | 24 | #include <Availability.h> |
| b061a43b A |
25 | #include <sys/types.h> |
| 26 | #include <stdint.h> | |
| 27 | ||
| 28 | __BEGIN_DECLS | |
| 29 | ||
| 30 | /* Fail if the file system does not support fast directory sizing on the provided directory */ | |
| 31 | #define DIRSTAT_FAST_ONLY 0x1 | |
| 32 | ||
| 33 | /* Do not use filesystem support for directory sizing. */ | |
| 34 | #define DIRSTAT_FORCE_FALLBACK 0x2 | |
| 35 | ||
| 36 | /* | |
| 37 | * NOT ABI: the size of this structure may grow. You must pass the current | |
| 38 | * size of this structure in as the dirstat_size argument to the functions | |
| 39 | * below. | |
| 40 | */ | |
| 41 | struct dirstat { | |
| 42 | off_t total_size; | |
| 43 | uint64_t descendants; | |
| 44 | }; | |
| 45 | ||
| 46 | /* Returns -1 on error and sets errno. Does not cross file-system boundaries. */ | |
| 47 | __API_AVAILABLE(macos(10.13), ios(11.0), tvos(11.0), watchos(4.0)) | |
| 48 | int dirstat_np(const char *path, int flags, struct dirstat *ds, size_t dirstat_size); | |
| 49 | ||
| 50 | __API_AVAILABLE(macos(10.13), ios(11.0), tvos(11.0), watchos(4.0)) | |
| 51 | int dirstatat_np(int dfd, const char *path, int flags, struct dirstat *ds, size_t dirstat_size); | |
| 52 | ||
| 53 | __END_DECLS | |
| 54 | ||
| 55 | #endif // __DIRSTAT_H__ |