d645902620
* 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.
110 lines
3.3 KiB
Rust
110 lines
3.3 KiB
Rust
//! WASI host types. These are types that contain raw pointers and `usize`
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//! values, and so are platform-specific.
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#![allow(non_camel_case_types)]
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#![allow(non_snake_case)]
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use crate::old::snapshot_0::wasi::*;
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use std::{io, slice};
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use wig::witx_host_types;
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witx_host_types!("old/snapshot_0" "wasi_unstable");
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pub(crate) unsafe fn ciovec_to_host(ciovec: &__wasi_ciovec_t) -> io::IoSlice {
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let slice = slice::from_raw_parts(ciovec.buf as *const u8, ciovec.buf_len);
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io::IoSlice::new(slice)
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}
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pub(crate) unsafe fn iovec_to_host_mut(iovec: &mut __wasi_iovec_t) -> io::IoSliceMut {
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let slice = slice::from_raw_parts_mut(iovec.buf as *mut u8, iovec.buf_len);
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io::IoSliceMut::new(slice)
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}
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#[cfg(test)]
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mod test {
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use super::*;
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#[test]
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fn bindgen_test_layout___wasi_prestat_t() {
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assert_eq!(
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::std::mem::size_of::<__wasi_prestat_t>(),
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16usize,
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concat!("Size of: ", stringify!(__wasi_prestat_t))
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);
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assert_eq!(
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::std::mem::align_of::<__wasi_prestat_t>(),
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8usize,
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concat!("Alignment of ", stringify!(__wasi_prestat_t))
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);
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assert_eq!(
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unsafe { &(*(::std::ptr::null::<__wasi_prestat_t>())).pr_type as *const _ as usize },
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0usize,
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concat!(
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"Offset of field: ",
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stringify!(__wasi_prestat_t),
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"::",
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stringify!(pr_type)
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)
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);
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assert_eq!(
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unsafe { &(*(::std::ptr::null::<__wasi_prestat_t>())).u as *const _ as usize },
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8usize,
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concat!(
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"Offset of field: ",
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stringify!(__wasi_prestat_t),
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"::",
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stringify!(u)
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)
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);
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}
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#[test]
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fn bindgen_test_layout___wasi_prestat_t___wasi_prestat_u___wasi_prestat_u_dir_t() {
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assert_eq!(
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::std::mem::size_of::<__wasi_prestat_dir_t>(),
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8usize,
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concat!("Size of: ", stringify!(__wasi_prestat_dir_t))
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);
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assert_eq!(
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::std::mem::align_of::<__wasi_prestat_dir_t>(),
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8usize,
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concat!("Alignment of ", stringify!(__wasi_prestat_dir_t))
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);
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assert_eq!(
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unsafe {
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&(*(::std::ptr::null::<__wasi_prestat_dir_t>())).pr_name_len as *const _ as usize
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},
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0usize,
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concat!(
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"Offset of field: ",
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stringify!(__wasi_prestat_dir_t),
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"::",
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stringify!(pr_name_len)
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)
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);
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}
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#[test]
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fn bindgen_test_layout___wasi_prestat_t___wasi_prestat_u() {
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assert_eq!(
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::std::mem::size_of::<__wasi_prestat_u_t>(),
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8usize,
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concat!("Size of: ", stringify!(__wasi_prestat_u_t))
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);
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assert_eq!(
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::std::mem::align_of::<__wasi_prestat_u_t>(),
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8usize,
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concat!("Alignment of ", stringify!(__wasi_prestat_u_t))
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);
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assert_eq!(
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unsafe { &(*(::std::ptr::null::<__wasi_prestat_u_t>())).dir as *const _ as usize },
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0usize,
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concat!(
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"Offset of field: ",
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stringify!(__wasi_prestat_u_t),
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"::",
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stringify!(dir)
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)
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);
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}
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}
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