| 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; |
| } |
| } |
| |
| let mut ts: timespec = unsafe { std::mem::zeroed() }; |
| if let &Some(ft) = ft { |
| ts.tv_sec = ft.seconds() as time_t; |
| ts.tv_nsec = ft.nanoseconds() as _; |
| } else { |
| ts.tv_sec = 0; |
| ts.tv_nsec = UTIME_OMIT as _; |
| } |
| |
| ts |
| } |
| |
| 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) |
| } |