From ae61b7973cff48247ebd1a874e4f47270392e8ca Mon Sep 17 00:00:00 2001
From: miloyip <miloyip@gmail.com>
Date: Sun, 3 May 2015 21:02:34 +0800
Subject: [PATCH] Standardize CrtAllocator::Realloc() for newSize = 0

---
 include/rapidjson/allocators.h | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/include/rapidjson/allocators.h b/include/rapidjson/allocators.h
index d68b74c..16bf038 100644
--- a/include/rapidjson/allocators.h
+++ b/include/rapidjson/allocators.h
@@ -68,7 +68,14 @@ public:
         else
             return NULL; // standardize to returning NULL.
     }
-    void* Realloc(void* originalPtr, size_t originalSize, size_t newSize) { (void)originalSize; return std::realloc(originalPtr, newSize); }
+    void* Realloc(void* originalPtr, size_t originalSize, size_t newSize) {
+        (void)originalSize;
+        if (newSize == 0) {
+            std::free(originalPtr);
+            return NULL;
+        }
+        return std::realloc(originalPtr, newSize);
+    }
     static void Free(void *ptr) { std::free(ptr); }
 };