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use crate::FileTime;
use libc::{time_t, timespec};
use std::fs;
use std::os::unix::prelude::*;
cfg_if::cfg_if! {
if #[cfg(target_os = "linux")] {
mod utimes;
mod linux;
pub use self::linux::*;
} else if #[cfg(target_os = "android")] {
mod android;
pub use self::android::*;
} else if #[cfg(target_os = "macos")] {
mod utimes;
mod macos;
pub use self::macos::*;
} else if #[cfg(any(target_os = "aix",
target_os = "solaris",
target_os = "illumos",
target_os = "emscripten",
target_os = "freebsd",
target_os = "netbsd",
target_os = "openbsd",
target_os = "haiku"))] {
mod utimensat;
pub use self::utimensat::*;
} else {
mod utimes;
pub use self::utimes::*;
}
}
#[allow(dead_code)]
fn to_timespec(ft: &Option<FileTime>) -> timespec {
cfg_if::cfg_if! {
if #[cfg(any(target_os = "macos",
target_os = "illumos",
target_os = "freebsd"))] {
// https://github.com/apple/darwin-xnu/blob/a449c6a3b8014d9406c2ddbdc81795da24aa7443/bsd/sys/stat.h#L541
// https://github.com/illumos/illumos-gate/blob/master/usr/src/boot/sys/sys/stat.h#L312
// https://svnweb.freebsd.org/base/head/sys/sys/stat.h?view=markup#l359
const UTIME_OMIT: i64 = -2;
} else if #[cfg(target_os = "openbsd")] {
// https://github.com/openbsd/src/blob/master/sys/sys/stat.h#L189
const UTIME_OMIT: i64 = -1;
} else if #[cfg(target_os = "haiku")] {
// https://git.haiku-os.org/haiku/tree/headers/posix/sys/stat.h?#n106
const UTIME_OMIT: i64 = 1000000001;
} else if #[cfg(target_os = "aix")] {
// AIX hasn't disclosed system header files yet.
// https://github.com/golang/go/blob/master/src/cmd/vendor/golang.org/x/sys/unix/zerrors_aix_ppc64.go#L1007
const UTIME_OMIT: i64 = -3;
} else {
// http://cvsweb.netbsd.org/bsdweb.cgi/src/sys/sys/stat.h?annotate=1.68.30.1
// https://github.com/emscripten-core/emscripten/blob/master/system/include/libc/sys/stat.h#L71
const UTIME_OMIT: i64 = 1_073_741_822;
}
}
if let &Some(ft) = ft {
timespec {
tv_sec: ft.seconds() as time_t,
tv_nsec: ft.nanoseconds() as _,
}
} else {
timespec {
tv_sec: 0,
tv_nsec: UTIME_OMIT as _,
}
}
}
pub fn from_last_modification_time(meta: &fs::Metadata) -> FileTime {
FileTime {
seconds: meta.mtime(),
nanos: meta.mtime_nsec() as u32,
}
}
pub fn from_last_access_time(meta: &fs::Metadata) -> FileTime {
FileTime {
seconds: meta.atime(),
nanos: meta.atime_nsec() as u32,
}
}
pub fn from_creation_time(meta: &fs::Metadata) -> Option<FileTime> {
macro_rules! birthtim {
($(($e:expr, $i:ident)),*) => {
#[cfg(any($(target_os = $e),*))]
fn imp(meta: &fs::Metadata) -> Option<FileTime> {
$(
#[cfg(target_os = $e)]
use std::os::$i::fs::MetadataExt;
)*
Some(FileTime {
seconds: meta.st_birthtime(),
nanos: meta.st_birthtime_nsec() as u32,
})
}
#[cfg(all($(not(target_os = $e)),*))]
fn imp(_meta: &fs::Metadata) -> Option<FileTime> {
None
}
}
}
birthtim! {
("bitrig", bitrig),
("freebsd", freebsd),
("ios", ios),
("macos", macos),
("openbsd", openbsd)
}
imp(meta)
}
|
