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macos current_exe using directly libc instead.

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This commit is contained in:
David CARLIER
2021-07-25 06:02:07 +01:00
parent 2b4196e977
commit 5407b42cd8
3 changed files with 5 additions and 8 deletions
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7
library/std/src/sys/unix/os.rs
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@@ -350,17 +350,14 @@ pub fn current_exe() -> io::Result<PathBuf> {
#[cfg(any(target_os = "macos", target_os = "ios"))]
pub fn current_exe() -> io::Result<PathBuf> {
extern "C" {
fn _NSGetExecutablePath(buf: *mut libc::c_char, bufsize: *mut u32) -> libc::c_int;
}
unsafe {
let mut sz: u32 = 0;
_NSGetExecutablePath(ptr::null_mut(), &mut sz);
libc::_NSGetExecutablePath(ptr::null_mut(), &mut sz);
if sz == 0 {
return Err(io::Error::last_os_error());
}
let mut v: Vec<u8> = Vec::with_capacity(sz as usize);
let err = _NSGetExecutablePath(v.as_mut_ptr() as *mut i8, &mut sz);
let err = libc::_NSGetExecutablePath(v.as_mut_ptr() as *mut i8, &mut sz);
if err != 0 {
return Err(io::Error::last_os_error());
}