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Implement fd_filestat_set_size using libstd

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This commit is contained in:
Marcin Mielniczuk
2019-07-26 17:13:15 +02:00
committed by Jakub Konka
parent 92c2b563fc
commit e731965fbb
3 changed files with 1 additions and 15 deletions
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6
src/hostcalls_impl/fs.rs
View File

@@ -779,11 +779,7 @@ pub(crate) fn fd_filestat_set_size(
.and_then(|fe| fe.fd_object.descriptor.as_file())?;
let st_size = dec_filesize(st_size);
if st_size > i64::max_value() as u64 {
return Err(host::__WASI_E2BIG);
}
hostcalls_impl::fd_filestat_set_size(fd, st_size)
fd.set_len(st_size).map_err(errno_from_ioerror)
}
pub(crate) fn path_filestat_get(

6
src/sys/unix/hostcalls_impl/fs.rs
View File

@@ -406,12 +406,6 @@ pub(crate) fn fd_filestat_set_times(
}
}
pub(crate) fn fd_filestat_set_size(fd: &File, st_size: host::__wasi_filesize_t) -> Result<()> {
use nix::unistd::ftruncate;
ftruncate(fd.as_raw_fd(), st_size as off_t)
.map_err(|e| host_impl::errno_from_nix(e.as_errno().unwrap()))
}
pub(crate) fn path_filestat_get(
resolved: PathGet,
dirflags: host::__wasi_lookupflags_t,

4
src/sys/windows/hostcalls_impl/fs.rs
View File

@@ -276,10 +276,6 @@ pub(crate) fn fd_filestat_set_times(
unimplemented!("fd_filestat_set_times")
}
pub(crate) fn fd_filestat_set_size(fd: &File, st_size: host::__wasi_filesize_t) -> Result<()> {
unimplemented!("fd_filestat_set_size")
}
pub(crate) fn path_filestat_get(
resolved: PathGet,
dirflags: host::__wasi_lookupflags_t,