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Don't fall back to futimes on Android; it needs a newer API level than futimens

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Just return `io::ErrorKind::Unsupported` instead.
This commit is contained in:
Josh Triplett 2022-07-11 18:23:34 -07:00
parent e387cff7a3
commit 3da17293e7
1 changed files with 18 additions and 7 deletions
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25
library/std/src/sys/unix/fs.rs
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@ -1066,17 +1066,28 @@ impl File {
cfg_if::cfg_if! {
// futimens requires macOS 10.13, and Android API level 19
if #[cfg(any(target_os = "android", target_os = "macos"))] {
fn ts_to_tv(ts: &libc::timespec) -> libc::timeval {
libc::timeval { tv_sec: ts.tv_sec, tv_usec: (ts.tv_nsec / 1000) as _ }
}
cvt(unsafe {
weak!(fn futimens(c_int, *const libc::timespec) -> c_int);
futimens.get()
.map(|futimens| futimens(self.as_raw_fd(), times.0.as_ptr()))
.unwrap_or_else(|| {
match futimens.get() {
Some(futimens) => futimens(self.as_raw_fd(), times.0.as_ptr()),
#[cfg(target_os = "macos")]
None => {
fn ts_to_tv(ts: &libc::timespec) -> libc::timeval {
libc::timeval {
tv_sec: ts.tv_sec,
tv_usec: (ts.tv_nsec / 1000) as _
}
}
let timevals = [ts_to_tv(&times.0[0]), ts_to_tv(&times.0[1])];
libc::futimes(self.as_raw_fd(), timevals.as_ptr())
})
}
// futimes requires even newer Android.
#[cfg(target_os = "android")]
None => return Err(io::const_io_error!(
io::ErrorKind::Unsupported,
"setting file times requires Android API level >= 19",
)),
}
})?;
} else {
cvt(unsafe { libc::futimens(self.as_raw_fd(), times.0.as_ptr()) })?;