From 9c502030a1e42a0d2ef164b1f322674a66aa42c1 Mon Sep 17 00:00:00 2001
From: MovingtoMars <liam@bumblebee.net.nz>
Date: Thu, 28 Jan 2016 13:45:35 +1300
Subject: [PATCH] check mmap return against -1

---
 std/mem.zig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/std/mem.zig b/std/mem.zig
index dae3a091b..803760fd3 100644
--- a/std/mem.zig
+++ b/std/mem.zig
@@ -12,6 +12,7 @@ pub fn malloc(bytes: isize) -> ?&u8 {
 
     const failed: bool = switch (-result) {
         0          => true,
+        -1         => true,
         EINVAL     => true,
         EACCES     => true,
         EAGAIN     => true,