From f1835813bd355029c01a4a3e952a60ccd2f102cb Mon Sep 17 00:00:00 2001
From: Matthew Parkinson <mattpark@microsoft.com>
Date: Fri, 26 Apr 2019 17:00:24 +0100
Subject: [PATCH] uintptr_max instead of -1/~0

---
 src/ds/bits.h      | 1 +
 src/mem/alloc.h    | 2 +-
 src/mem/metaslab.h | 2 +-
 3 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/ds/bits.h b/src/ds/bits.h
index 109eb26..960b3a3 100644
--- a/src/ds/bits.h
+++ b/src/ds/bits.h
@@ -1,6 +1,7 @@
 #pragma once
 
 #include <stddef.h>
+#include <limits>
 
 #ifdef _MSC_VER
 #  include <immintrin.h>
diff --git a/src/mem/alloc.h b/src/mem/alloc.h
index 52b7379..b59e4c9 100644
--- a/src/mem/alloc.h
+++ b/src/mem/alloc.h
@@ -522,7 +522,7 @@ namespace snmalloc
       {
         if constexpr ((location == End) || (location == OnePastEnd))
           // We don't know the End, so return MAX_PTR
-          return (uintptr_t)~0;
+          return UINTPTR_MAX;
         else
           // We don't know the Start, so return MIN_PTR
           return 0;
diff --git a/src/mem/metaslab.h b/src/mem/metaslab.h
index ba99f81..020a11c 100644
--- a/src/mem/metaslab.h
+++ b/src/mem/metaslab.h
@@ -19,7 +19,7 @@ namespace snmalloc
     }
   };
 
-  using SlabList = DLList<SlabLink, ~(uintptr_t)0>;
+  using SlabList = DLList<SlabLink, UINTPTR_MAX>;
 
   static_assert(
     sizeof(SlabLink) <= MIN_ALLOC_SIZE,