From f810314bc6ad252430c29636c8ba00acfa81a737 Mon Sep 17 00:00:00 2001
From: David Carlier <devnexen@gmail.com>
Date: Sun, 20 Feb 2022 08:53:18 +0000
Subject: [PATCH] solarish current_exe using libc call directly

---
 library/std/src/sys/unix/os.rs | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/library/std/src/sys/unix/os.rs b/library/std/src/sys/unix/os.rs
index b268ef5c36400..0b6cdb923bd6a 100644
--- 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 {