mirror of https://github.com/rust-lang/rust
44 lines
1.1 KiB
Rust
44 lines
1.1 KiB
Rust
//@ run-pass
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// Ignore this test on Android, because it segfaults there.
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//@ ignore-android
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//@ ignore-windows
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//@ ignore-wasm32 no execve
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//@ ignore-sgx no execve
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//@ ignore-vxworks no execve
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//@ ignore-fuchsia no 'execve'
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//@ no-prefer-dynamic
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#![feature(rustc_private)]
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extern crate libc;
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use libc::c_char;
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use libc::execve;
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use std::env;
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use std::ffi::CString;
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use std::os::unix::prelude::*;
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use std::ptr;
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fn main() {
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if env::args_os().count() == 2 {
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for (key, value) in env::vars_os() {
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panic!("found env value {:?} {:?}", key, value);
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}
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return;
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}
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let current_exe = CString::new(env::current_exe()
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.unwrap()
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.as_os_str()
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.as_bytes()).unwrap();
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let new_env_var = CString::new("FOOBAR").unwrap();
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let filename: *const c_char = current_exe.as_ptr();
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let argv: &[*const c_char] = &[filename, filename, ptr::null()];
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let envp: &[*const c_char] = &[new_env_var.as_ptr(), ptr::null()];
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unsafe {
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execve(filename, &argv[0], &envp[0]);
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}
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panic!("execve failed");
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}
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