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Add support for wasi_snapshot_preview1. (#592)

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* Add support for wasi_snapshot_preview1.

This adds support for the new ABI, while preserving compatibility
support for the old ABI.

* Fix compilation on platforms where nlink_t isn't 64-bit.

* rustfmt

* Fix Windows build errors.
This commit is contained in:
Dan Gohman
2019-11-18 22:07:16 -08:00
committed by GitHub
parent 39e57e3e9a
commit d645902620
83 changed files with 9928 additions and 803 deletions
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18
crates/wasi-common/src/sys/windows/hostcalls_impl/fs.rs
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@@ -139,7 +139,7 @@ pub(crate) fn path_open(
return Err(Error::ELOOP);
}
// check if we are trying to open a file as a dir
if file_type.is_file() && oflags & wasi::__WASI_O_DIRECTORY != 0 {
if file_type.is_file() && oflags & wasi::__WASI_OFLAGS_DIRECTORY != 0 {
return Err(Error::ENOTDIR);
}
}
@@ -410,14 +410,14 @@ pub(crate) fn change_time(file: &File, _metadata: &Metadata) -> io::Result<i64>
pub(crate) fn fd_filestat_get_impl(file: &std::fs::File) -> Result<wasi::__wasi_filestat_t> {
let metadata = file.metadata()?;
Ok(wasi::__wasi_filestat_t {
st_dev: device_id(file, &metadata)?,
st_ino: file_serial_no(file)?,
st_nlink: num_hardlinks(file, &metadata)?.try_into()?, // u64 doesn't fit into u32
st_size: metadata.len(),
st_atim: systemtime_to_timestamp(metadata.accessed()?)?,
st_ctim: change_time(file, &metadata)?.try_into()?, // i64 doesn't fit into u64
st_mtim: systemtime_to_timestamp(metadata.modified()?)?,
st_filetype: filetype_from_std(&metadata.file_type()).to_wasi(),
dev: device_id(file, &metadata)?,
ino: file_serial_no(file)?,
nlink: num_hardlinks(file, &metadata)?.try_into()?, // u64 doesn't fit into u32
size: metadata.len(),
atim: systemtime_to_timestamp(metadata.accessed()?)?,
ctim: change_time(file, &metadata)?.try_into()?, // i64 doesn't fit into u64
mtim: systemtime_to_timestamp(metadata.modified()?)?,
filetype: filetype_from_std(&metadata.file_type()).to_wasi(),
})
}