| //@ignore-target-windows: Windows does not have a global environ list that the program can access directly |
| |
| #[cfg(any(target_os = "linux", target_os = "freebsd"))] |
| fn get_environ() -> *const *const u8 { |
| extern "C" { |
| static mut environ: *const *const u8; |
| } |
| unsafe { environ } |
| } |
| |
| #[cfg(target_os = "macos")] |
| fn get_environ() -> *const *const u8 { |
| extern "C" { |
| fn _NSGetEnviron() -> *mut *const *const u8; |
| } |
| unsafe { *_NSGetEnviron() } |
| } |
| |
| fn main() { |
| let pointer = get_environ(); |
| let _x = unsafe { *pointer }; |
| std::env::set_var("FOO", "BAR"); |
| let _y = unsafe { *pointer }; //~ ERROR: has been freed |
| } |
