| // Copyright (C) 2017-2018 Baidu, Inc. All Rights Reserved. |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions |
| // are met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above copyright |
| // notice, this list of conditions and the following disclaimer in |
| // the documentation and/or other materials provided with the |
| // distribution. |
| // * Neither the name of Baidu, Inc., nor the names of its |
| // contributors may be used to endorse or promote products derived |
| // from this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| use sgx_trts::libc; |
| |
| #[cfg(feature = "untrusted_fs")] |
| use fs::Metadata; |
| #[cfg(not(feature = "untrusted_fs"))] |
| use untrusted::fs::Metadata; |
| use sys_common::AsInner; |
| |
| use os::raw; |
| |
| /// OS-specific extension methods for `fs::Metadata` |
| pub trait MetadataExt { |
| /// Gain a reference to the underlying `stat` structure which contains |
| /// the raw information returned by the OS. |
| /// |
| /// The contents of the returned [`stat`] are **not** consistent across |
| /// Unix platforms. The `os::unix::fs::MetadataExt` trait contains the |
| /// cross-Unix abstractions contained within the raw stat. |
| /// |
| fn as_raw_stat(&self) -> &raw::stat; |
| |
| /// Returns the device ID on which this file resides. |
| /// |
| fn st_dev(&self) -> u64; |
| /// Returns the inode number. |
| /// |
| fn st_ino(&self) -> u64; |
| /// Returns the file type and mode. |
| /// |
| fn st_mode(&self) -> u32; |
| /// Returns the number of hard links to file. |
| /// |
| fn st_nlink(&self) -> u64; |
| /// Returns the user ID of the file owner. |
| /// |
| fn st_uid(&self) -> u32; |
| /// Returns the group ID of the file owner. |
| /// |
| fn st_gid(&self) -> u32; |
| /// Returns the device ID that this file represents. Only relevant for special file. |
| /// |
| fn st_rdev(&self) -> u64; |
| /// Returns the size of the file (if it is a regular file or a symbolic link) in bytes. |
| /// |
| /// The size of a symbolic link is the length of the pathname it contains, |
| /// without a terminating null byte. |
| /// |
| fn st_size(&self) -> u64; |
| /// Returns the last access time. |
| /// |
| fn st_atime(&self) -> i64; |
| /// Returns the last access time, nano seconds part. |
| /// |
| fn st_atime_nsec(&self) -> i64; |
| /// Returns the last modification time. |
| /// |
| fn st_mtime(&self) -> i64; |
| /// Returns the last modification time, nano seconds part. |
| /// |
| fn st_mtime_nsec(&self) -> i64; |
| /// Returns the last status change time. |
| /// |
| fn st_ctime(&self) -> i64; |
| /// Returns the last status change time, nano seconds part. |
| /// |
| fn st_ctime_nsec(&self) -> i64; |
| /// Returns the "preferred" blocksize for efficient filesystem I/O. |
| /// |
| fn st_blksize(&self) -> u64; |
| /// Returns the number of blocks allocated to the file, 512-byte units. |
| /// |
| fn st_blocks(&self) -> u64; |
| } |
| |
| impl MetadataExt for Metadata { |
| fn as_raw_stat(&self) -> &raw::stat { |
| unsafe { |
| &*(self.as_inner().as_inner() as *const libc::stat64 |
| as *const raw::stat) |
| } |
| } |
| fn st_dev(&self) -> u64 { |
| self.as_inner().as_inner().st_dev as u64 |
| } |
| fn st_ino(&self) -> u64 { |
| self.as_inner().as_inner().st_ino as u64 |
| } |
| fn st_mode(&self) -> u32 { |
| self.as_inner().as_inner().st_mode as u32 |
| } |
| fn st_nlink(&self) -> u64 { |
| self.as_inner().as_inner().st_nlink as u64 |
| } |
| fn st_uid(&self) -> u32 { |
| self.as_inner().as_inner().st_uid as u32 |
| } |
| fn st_gid(&self) -> u32 { |
| self.as_inner().as_inner().st_gid as u32 |
| } |
| fn st_rdev(&self) -> u64 { |
| self.as_inner().as_inner().st_rdev as u64 |
| } |
| fn st_size(&self) -> u64 { |
| self.as_inner().as_inner().st_size as u64 |
| } |
| fn st_atime(&self) -> i64 { |
| self.as_inner().as_inner().st_atime as i64 |
| } |
| fn st_atime_nsec(&self) -> i64 { |
| self.as_inner().as_inner().st_atime_nsec as i64 |
| } |
| fn st_mtime(&self) -> i64 { |
| self.as_inner().as_inner().st_mtime as i64 |
| } |
| fn st_mtime_nsec(&self) -> i64 { |
| self.as_inner().as_inner().st_mtime_nsec as i64 |
| } |
| fn st_ctime(&self) -> i64 { |
| self.as_inner().as_inner().st_ctime as i64 |
| } |
| fn st_ctime_nsec(&self) -> i64 { |
| self.as_inner().as_inner().st_ctime_nsec as i64 |
| } |
| fn st_blksize(&self) -> u64 { |
| self.as_inner().as_inner().st_blksize as u64 |
| } |
| fn st_blocks(&self) -> u64 { |
| self.as_inner().as_inner().st_blocks as u64 |
| } |
| } |