mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-22 14:55:26 +00:00
44 lines
1.1 KiB
Rust
44 lines
1.1 KiB
Rust
// run-pass
|
|
// Ignore this test on Android, because it segfaults there.
|
|
|
|
// ignore-android
|
|
// ignore-windows
|
|
// ignore-emscripten no execve
|
|
// ignore-sgx no execve
|
|
// ignore-vxworks no execve
|
|
// ignore-fuchsia no 'execve'
|
|
// no-prefer-dynamic
|
|
|
|
#![feature(rustc_private)]
|
|
|
|
extern crate libc;
|
|
|
|
use libc::c_char;
|
|
use libc::execve;
|
|
use std::env;
|
|
use std::ffi::CString;
|
|
use std::os::unix::prelude::*;
|
|
use std::ptr;
|
|
|
|
fn main() {
|
|
if env::args_os().count() == 2 {
|
|
for (key, value) in env::vars_os() {
|
|
panic!("found env value {:?} {:?}", key, value);
|
|
}
|
|
return;
|
|
}
|
|
|
|
let current_exe = CString::new(env::current_exe()
|
|
.unwrap()
|
|
.as_os_str()
|
|
.as_bytes()).unwrap();
|
|
let new_env_var = CString::new("FOOBAR").unwrap();
|
|
let filename: *const c_char = current_exe.as_ptr();
|
|
let argv: &[*const c_char] = &[filename, filename, ptr::null()];
|
|
let envp: &[*const c_char] = &[new_env_var.as_ptr(), ptr::null()];
|
|
unsafe {
|
|
execve(filename, &argv[0], &envp[0]);
|
|
}
|
|
panic!("execve failed");
|
|
}
|