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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/env-funky-keys.rs | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/env-funky-keys.rs')
-rw-r--r-- | src/test/ui/env-funky-keys.rs | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/src/test/ui/env-funky-keys.rs b/src/test/ui/env-funky-keys.rs new file mode 100644 index 000000000..4548d3339 --- /dev/null +++ b/src/test/ui/env-funky-keys.rs @@ -0,0 +1,42 @@ +// 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 +// 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"); +} |