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std::unix::os current_exe implementation simplification for haiku. #126168

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merged 1 commit into from
Jun 9, 2024
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std::unix::os current_exe implementation simplification for haiku. #126168

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20 changes: 10 additions & 10 deletions library/std/src/sys/pal/unix/os.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -462,21 +462,21 @@ pub fn current_exe() -> io::Result<PathBuf> {

#[cfg(target_os = "haiku")]
pub fn current_exe() -> io::Result<PathBuf> {
let mut name = vec![0; libc::PATH_MAX as usize];
unsafe {
let mut info: mem::MaybeUninit<libc::image_info> = mem::MaybeUninit::uninit();
let mut cookie: i32 = 0;
// the executable can be found at team id 0
let result = libc::_get_next_image_info(
0,
&mut cookie,
info.as_mut_ptr(),
mem::size_of::<libc::image_info>(),
let result = libc::find_path(
std::ptr::null_mut(),
libc::path_base_directory::B_FIND_PATH_IMAGE_PATH,
std::ptr::null_mut(),
name.as_mut_ptr(),
name.len(),
);
if result != 0 {
if result != libc::B_OK {
use crate::io::ErrorKind;
Err(io::const_io_error!(ErrorKind::Uncategorized, "Error getting executable path"))
} else {
let name = CStr::from_ptr((*info.as_ptr()).name.as_ptr()).to_bytes();
// find_path adds the null terminator.
let name = CStr::from_ptr(name.as_ptr()).to_bytes();
Ok(PathBuf::from(OsStr::from_bytes(name)))
}
}
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