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Adopt fstat in file_id_for_fd

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Peter Ammon 2024-07-27 11:44:37 -07:00
parent 1332d33025
commit 3dc3aed991
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1 changed files with 4 additions and 10 deletions
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14
src/wutil/fileid.rs
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@ -1,7 +1,7 @@
use crate::common::wcs2zstring;
use crate::wutil::wstr;
use crate::wutil::{fstat, wstr};
use std::ffi::{CStr, OsStr};
use std::fs::{self, File, Metadata};
use std::fs::{self, Metadata};
use std::os::fd::AsRawFd;
use std::os::unix::prelude::*;
@ -89,16 +89,10 @@ pub const INVALID_FILE_ID: FileId = FileId {
/// Get a FileID corresponding to a raw file descriptor, or INVALID_FILE_ID if it fails.
pub fn file_id_for_fd(fd: impl AsRawFd) -> FileId {
let fd = fd.as_raw_fd();
let file = unsafe { File::from_raw_fd(fd) };
let res = file
.metadata()
fstat(fd)
.as_ref()
.map(FileId::from_md)
.unwrap_or(INVALID_FILE_ID);
let fd2 = file.into_raw_fd();
assert_eq!(fd, fd2);
res
.unwrap_or(INVALID_FILE_ID)
}
/// Get a FileID corresponding to a path, or INVALID_FILE_ID if it fails.