summaryrefslogtreecommitdiffstats
path: root/vendor/filetime/src/unix/utimes.rs
diff options
context:
space:
mode:
Diffstat (limited to 'vendor/filetime/src/unix/utimes.rs')
-rw-r--r--vendor/filetime/src/unix/utimes.rs130
1 files changed, 130 insertions, 0 deletions
diff --git a/vendor/filetime/src/unix/utimes.rs b/vendor/filetime/src/unix/utimes.rs
new file mode 100644
index 000000000..34bb882a2
--- /dev/null
+++ b/vendor/filetime/src/unix/utimes.rs
@@ -0,0 +1,130 @@
+use crate::FileTime;
+use std::ffi::CString;
+use std::fs;
+use std::io;
+use std::os::unix::prelude::*;
+use std::path::Path;
+
+#[allow(dead_code)]
+pub fn set_file_times(p: &Path, atime: FileTime, mtime: FileTime) -> io::Result<()> {
+ set_times(p, Some(atime), Some(mtime), false)
+}
+
+#[allow(dead_code)]
+pub fn set_file_mtime(p: &Path, mtime: FileTime) -> io::Result<()> {
+ set_times(p, None, Some(mtime), false)
+}
+
+#[allow(dead_code)]
+pub fn set_file_atime(p: &Path, atime: FileTime) -> io::Result<()> {
+ set_times(p, Some(atime), None, false)
+}
+
+#[cfg(not(target_env = "uclibc"))]
+#[allow(dead_code)]
+pub fn set_file_handle_times(
+ f: &fs::File,
+ atime: Option<FileTime>,
+ mtime: Option<FileTime>,
+) -> io::Result<()> {
+ let (atime, mtime) = match get_times(atime, mtime, || f.metadata())? {
+ Some(pair) => pair,
+ None => return Ok(()),
+ };
+ let times = [to_timeval(&atime), to_timeval(&mtime)];
+ let rc = unsafe { libc::futimes(f.as_raw_fd(), times.as_ptr()) };
+ return if rc == 0 {
+ Ok(())
+ } else {
+ Err(io::Error::last_os_error())
+ };
+}
+
+#[cfg(target_env = "uclibc")]
+#[allow(dead_code)]
+pub fn set_file_handle_times(
+ f: &fs::File,
+ atime: Option<FileTime>,
+ mtime: Option<FileTime>,
+) -> io::Result<()> {
+ let (atime, mtime) = match get_times(atime, mtime, || f.metadata())? {
+ Some(pair) => pair,
+ None => return Ok(()),
+ };
+ let times = [to_timespec(&atime), to_timespec(&mtime)];
+ let rc = unsafe { libc::futimens(f.as_raw_fd(), times.as_ptr()) };
+ return if rc == 0 {
+ Ok(())
+ } else {
+ Err(io::Error::last_os_error())
+ };
+}
+
+fn get_times(
+ atime: Option<FileTime>,
+ mtime: Option<FileTime>,
+ current: impl FnOnce() -> io::Result<fs::Metadata>,
+) -> io::Result<Option<(FileTime, FileTime)>> {
+ let pair = match (atime, mtime) {
+ (Some(a), Some(b)) => (a, b),
+ (None, None) => return Ok(None),
+ (Some(a), None) => {
+ let meta = current()?;
+ (a, FileTime::from_last_modification_time(&meta))
+ }
+ (None, Some(b)) => {
+ let meta = current()?;
+ (FileTime::from_last_access_time(&meta), b)
+ }
+ };
+ Ok(Some(pair))
+}
+
+#[allow(dead_code)]
+pub fn set_symlink_file_times(p: &Path, atime: FileTime, mtime: FileTime) -> io::Result<()> {
+ set_times(p, Some(atime), Some(mtime), true)
+}
+
+pub fn set_times(
+ p: &Path,
+ atime: Option<FileTime>,
+ mtime: Option<FileTime>,
+ symlink: bool,
+) -> io::Result<()> {
+ let (atime, mtime) = match get_times(atime, mtime, || p.metadata())? {
+ Some(pair) => pair,
+ None => return Ok(()),
+ };
+ let p = CString::new(p.as_os_str().as_bytes())?;
+ let times = [to_timeval(&atime), to_timeval(&mtime)];
+ let rc = unsafe {
+ if symlink {
+ libc::lutimes(p.as_ptr(), times.as_ptr())
+ } else {
+ libc::utimes(p.as_ptr(), times.as_ptr())
+ }
+ };
+ return if rc == 0 {
+ Ok(())
+ } else {
+ Err(io::Error::last_os_error())
+ };
+}
+
+fn to_timeval(ft: &FileTime) -> libc::timeval {
+ libc::timeval {
+ tv_sec: ft.seconds() as libc::time_t,
+ tv_usec: (ft.nanoseconds() / 1000) as libc::suseconds_t,
+ }
+}
+
+#[cfg(target_env = "uclibc")]
+fn to_timespec(ft: &FileTime) -> libc::timespec {
+ libc::timespec {
+ tv_sec: ft.seconds() as libc::time_t,
+ #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
+ tv_nsec: (ft.nanoseconds()) as i64,
+ #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
+ tv_nsec: (ft.nanoseconds()) as libc::c_long,
+ }
+}