From 434d29c8f822680039dfcde8d168eb2167e10204 Mon Sep 17 00:00:00 2001
From: Taiki Endo <te316e89@gmail.com>
Date: Sat, 31 Aug 2019 02:24:30 +0900
Subject: [PATCH] Use ptr::null_mut instead of 0 as *mut (#84)

---
 src/lib.rs | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/lib.rs b/src/lib.rs
index 946ce5b..d13ea3c 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -267,6 +267,8 @@ fn get_num_cpus() -> usize {
           target_os = "dragonfly",
           target_os = "netbsd"))]
 fn get_num_cpus() -> usize {
+    use std::ptr;
+
     let mut cpus: libc::c_uint = 0;
     let mut cpus_size = std::mem::size_of_val(&cpus);
 
@@ -280,7 +282,7 @@ fn get_num_cpus() -> usize {
                          2,
                          &mut cpus as *mut _ as *mut _,
                          &mut cpus_size as *mut _ as *mut _,
-                         0 as *mut _,
+                         ptr::null_mut(),
                          0);
         }
         if cpus < 1 {
@@ -292,6 +294,8 @@ fn get_num_cpus() -> usize {
 
 #[cfg(target_os = "openbsd")]
 fn get_num_cpus() -> usize {
+    use std::ptr;
+
     let mut cpus: libc::c_uint = 0;
     let mut cpus_size = std::mem::size_of_val(&cpus);
     let mut mib = [libc::CTL_HW, libc::HW_NCPU, 0, 0];
@@ -301,7 +305,7 @@ fn get_num_cpus() -> usize {
                      2,
                      &mut cpus as *mut _ as *mut _,
                      &mut cpus_size as *mut _ as *mut _,
-                     0 as *mut _,
+                     ptr::null_mut(),
                      0);
     }
     if cpus < 1 {