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use std::{io, path::Path};
#[cfg(unix)]
pub fn init(path: &Path) -> io::Result<u64> {
use std::os::unix::fs::MetadataExt;
path.metadata().map(|m| m.dev())
}
#[cfg(unix)]
pub fn is_same_device(device_id: u64, meta: &std::fs::Metadata) -> bool {
use std::os::unix::fs::MetadataExt;
meta.dev() == device_id
}
#[cfg(not(unix))]
pub fn is_same_device(device_id: u64, meta: &std::fs::Metadata) -> bool {
true
}
#[cfg(not(unix))]
pub fn init(path: &Path) -> io::Result<u64> {
Ok(0)
}
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