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Implement fd_filestat_get for all platforms (#42)

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* Implement fd_filestat_get for all platforms

* Remove an old comment

* Remove panics from the syscall wrappers

* Return WASI error type

* Reuse Metadata if possible to save syscalls.

* Refactor the change for two separate fd_filestat_get_impl

* Refactor error handling
This commit is contained in:
Marcin Mielniczuk
2019-07-26 19:15:29 +02:00
committed by Jakub Konka
parent e759e3c2a4
commit 89fbde2c3f
7 changed files with 189 additions and 17 deletions
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14
src/sys/mod.rs
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@@ -6,17 +6,27 @@ cfg_if! {
mod unix;
pub use self::unix::*;
pub fn errno_from_host(err: i32) -> host::__wasi_errno_t {
pub(crate) fn errno_from_host(err: i32) -> host::__wasi_errno_t {
host_impl::errno_from_nix(nix::errno::from_i32(err))
}
} else if #[cfg(windows)] {
mod windows;
pub use self::windows::*;
pub fn errno_from_host(err: i32) -> host::__wasi_errno_t {
pub(crate) fn errno_from_host(err: i32) -> host::__wasi_errno_t {
host_impl::errno_from_win(winx::winerror::WinError::from_u32(err as u32))
}
} else {
compile_error!("wasi-common doesn't compile for this platform yet");
}
}
pub(crate) fn errno_from_ioerror(e: std::io::Error) -> host::__wasi_errno_t {
match e.raw_os_error() {
Some(code) => errno_from_host(code),
None => {
log::debug!("Inconvertible OS error: {}", e);
host::__WASI_EIO
}
}
}