Replace `0 as *const/mut T` with `ptr::null/null_mut()`

[rust.git] / src / libstd / sys / unix / process.rs

diff --git a/src/libstd/sys/unix/process.rs b/src/libstd/sys/unix/process.rs
index 36bf696dba5503da7cb02b613ee782cf941be89d..0eab27de43a9f08e995a56e4ad25d555f670d127 100644 (file)
--- a/src/libstd/sys/unix/process.rs
+++ b/src/libstd/sys/unix/process.rs
@@ -251,7 +251,7 @@ fn fail(output: &mut FileDesc) -> ! {
                             fn setgroups(ngroups: libc::c_int,
                                          ptr: *const libc::c_void) -> libc::c_int;
                         }
-                        let _ = setgroups(0, 0 as *const libc::c_void);
+                        let _ = setgroups(0, ptr::null());
 
                         if libc::setuid(u as libc::uid_t) != 0 {
                             fail(&mut output);