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Rollup merge of #94179 - devnexen:getexecname_directcall, r=kennytm

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solarish current_exe using libc call directly
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Matthias Krüger 2022-02-22 12:16:30 +01:00 committed by GitHub
commit 21fb81405e
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1 changed files with 1 additions and 4 deletions
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5
library/std/src/sys/unix/os.rs
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@ -384,11 +384,8 @@ pub fn current_exe() -> io::Result<PathBuf> {
if let Ok(path) = crate::fs::read_link("/proc/self/path/a.out") { if let Ok(path) = crate::fs::read_link("/proc/self/path/a.out") {
Ok(path) Ok(path)
} else { } else {
extern "C" {
fn getexecname() -> *const c_char;
}
unsafe { unsafe {
let path = getexecname(); let path = libc::getexecname();
if path.is_null() { if path.is_null() {
Err(io::Error::last_os_error()) Err(io::Error::last_os_error())
} else { } else {