| // Copyright 2021 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef LIB_ZXIO_POSIX_MODE_H_ |
| #define LIB_ZXIO_POSIX_MODE_H_ |
| |
| #include <lib/zxio/types.h> |
| |
| __BEGIN_CDECLS |
| |
| // Approximates POSIX mode bits based on the `protocols` and `abilities` of a `fuchsia.io/Node`. |
| // Only some fuchsia.io servers support POSIX attributes, which can be set/retrieved as part of |
| // `fuchsia.io/MutableNodeAttributes`. For servers/filesystems that do not support POSIX attributes, |
| // this function can be used to *approximate* the equivalent POSIX mode bits (type and permissions). |
| // |
| // `protocols` is used to derive the file's type (e.g. `S_IFREG` or `S_IFDIR`), and a combination |
| // of `protocols` and `abilities` is used to derive the owner permission bits (`S_I*USR`). |
| // |
| // **NOTE**: Only owner bits (`S_IRUSR` / `S_IWUSR` / `S_IXUSR`) are set on the resulting mode. |
| uint32_t zxio_get_posix_mode(zxio_node_protocols_t protocols, zxio_abilities_t abilities); |
| |
| __END_CDECLS |
| |
| #endif // LIB_ZXIO_POSIX_MODE_H_ |
