From dd0d23839ad4b2805cabf384271b722579fb4dca Mon Sep 17 00:00:00 2001
From: Valentin Lorentz <progval+git@progval.net>
Date: Sun, 22 Apr 2018 10:32:43 +0200
Subject: [PATCH] unlink: Add a nul-terminator after the file name before
 calling lstat.

---
 src/unlink/unlink.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/unlink/unlink.rs b/src/unlink/unlink.rs
index 17e3d8d76..4dedcca71 100644
--- a/src/unlink/unlink.rs
+++ b/src/unlink/unlink.rs
@@ -22,6 +22,7 @@ use libc::{S_IFLNK, S_IFMT, S_IFREG};
 use libc::{c_char, lstat, stat, unlink};
 use std::io::{Error, ErrorKind};
 use std::mem::uninitialized;
+use std::ffi::CString;
 
 static NAME: &'static str = "unlink";
 static VERSION: &'static str = env!("CARGO_PKG_VERSION");
@@ -69,9 +70,10 @@ pub fn uumain(args: Vec<String>) -> i32 {
 
     let st_mode = {
         let mut buf: stat = unsafe { uninitialized() };
+        let c_string = CString::new(matches.free[0].clone()).unwrap(); // unwrap() cannot fail, the string comes from argv so it cannot contain a \0.
         let result = unsafe {
             lstat(
-                matches.free[0].as_ptr() as *const c_char,
+                c_string.as_ptr(),
                 &mut buf as *mut stat,
             )
         };