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Implement fd_filestat_set_times using the filetime crate.

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This commit is contained in:
Marcin Mielniczuk
2019-08-05 11:44:59 +02:00
committed by Jakub Konka
parent 46c41abd60
commit 2f1afc4846
4 changed files with 31 additions and 53 deletions
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31
src/hostcalls_impl/fs.rs
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@@ -7,8 +7,10 @@ use crate::sys::fdentry_impl::determine_type_rights;
use crate::sys::hostcalls_impl::fs_helpers::path_open_rights;
use crate::sys::{errno_from_ioerror, host_impl, hostcalls_impl};
use crate::{host, wasm32, Result};
use filetime::{set_file_handle_times, FileTime};
use log::trace;
use std::io::{self, Read, Seek, SeekFrom, Write};
use std::time::{Duration, SystemTime, UNIX_EPOCH};
pub(crate) fn fd_close(wasi_ctx: &mut WasiCtx, fd: wasm32::__wasi_fd_t) -> Result<()> {
trace!("fd_close(fd={:?})", fd);
@@ -764,7 +766,34 @@ pub(crate) fn fd_filestat_set_times(
let st_mtim = dec_timestamp(st_mtim);
let fst_flags = dec_fstflags(fst_flags);
hostcalls_impl::fd_filestat_set_times(fd, st_atim, st_mtim, fst_flags)
let set_atim = fst_flags & host::__WASI_FILESTAT_SET_MTIM != 0;
let set_atim_now = fst_flags & host::__WASI_FILESTAT_SET_MTIM != 0;
let set_mtim = fst_flags & host::__WASI_FILESTAT_SET_MTIM != 0;
let set_mtim_now = fst_flags & host::__WASI_FILESTAT_SET_MTIM != 0;
if (set_atim && set_atim_now) || (set_mtim && set_mtim_now) {
return Err(host::__WASI_EINVAL);
}
let atim = if set_atim {
let time = UNIX_EPOCH + Duration::from_nanos(st_atim);
Some(FileTime::from_system_time(time))
} else if set_atim_now {
let time = SystemTime::now();
Some(FileTime::from_system_time(time))
} else {
None
};
let mtim = if set_mtim {
let time = UNIX_EPOCH + Duration::from_nanos(st_mtim);
Some(FileTime::from_system_time(time))
} else if set_mtim_now {
let time = SystemTime::now();
Some(FileTime::from_system_time(time))
} else {
None
};
set_file_handle_times(fd, atim, mtim).map_err(errno_from_ioerror)
}
pub(crate) fn fd_filestat_set_size(