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Add a method for inhering the command-line arguments from the host.

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This commit is contained in:
Dan Gohman
2019-09-10 16:10:16 -07:00
committed by Jakub Konka
parent aea2f11f06
commit c1c74ca54b
1 changed files with 6 additions and 0 deletions
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6
src/ctx.rs
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@@ -3,6 +3,7 @@ use crate::sys::dev_null;
use crate::{host, Error, Result}; use crate::{host, Error, Result};
use std::borrow::Borrow; use std::borrow::Borrow;
use std::collections::HashMap; use std::collections::HashMap;
use std::env;
use std::ffi::CString; use std::ffi::CString;
use std::fs::File; use std::fs::File;
use std::path::{Path, PathBuf}; use std::path::{Path, PathBuf};
@@ -45,6 +46,11 @@ impl WasiCtxBuilder {
Ok(self) Ok(self)
} }
/// Inherit the command-line arguments from the host process.
pub fn inherit_args(self) -> Result<Self> {
self.args(env::args())
}
pub fn inherit_stdio(mut self) -> Result<Self> { pub fn inherit_stdio(mut self) -> Result<Self> {
self.fds.insert(0, FdEntry::duplicate_stdin()?); self.fds.insert(0, FdEntry::duplicate_stdin()?);
self.fds.insert(1, FdEntry::duplicate_stdout()?); self.fds.insert(1, FdEntry::duplicate_stdout()?);