Adding support for uclibc's funtimens in set_file_handle_times

Author: plauche

src/unix/utimes.rs

@@ -20,6 +20,7 @@ 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,
@@ -39,6 +40,26 @@ pub fn set_file_handle_times(
     };
 }
 
+#[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>,
@@ -96,3 +117,10 @@ fn to_timeval(ft: &FileTime) -> libc::timeval {
         tv_usec: (ft.nanoseconds() / 1000) as libc::suseconds_t,
     }
 }
+
+fn to_timespec(ft: &FileTime) -> libc::timespec {
+    libc::timespec {
+        tv_sec: ft.seconds() as libc::time_t,
+        tv_nsec: (ft.nanoseconds()) as libc::suseconds_t,
+    }
+}