rust/tests/ui/env-funky-keys.rs
2023-01-11 09:32:08 +00:00

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");
}