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

solarish current_exe using libc call directly
2022-02-22 12:16:30 +01:00
parent a53b604fea f810314bc6
commit 21fb81405e
1 changed files with 1 additions and 4 deletions
--- a/library/std/src/sys/unix/os.rs
+++ b/library/std/src/sys/unix/os.rs
@@ -384,11 +384,8 @@ pub fn current_exe() -> io::Result<PathBuf> {
    if let Ok(path) = crate::fs::read_link("/proc/self/path/a.out") {
        Ok(path)
    } else {
-        extern "C" {
-            fn getexecname() -> *const c_char;
-        }
        unsafe {
-            let path = getexecname();
+            let path = libc::getexecname();
            if path.is_null() {
                Err(io::Error::last_os_error())
            } else {