From be15203778d1031dacfcb22ed23d664697e1f535 Mon Sep 17 00:00:00 2001
From: xieyangrun <xieyangrun@rt-thread.com>
Date: Wed, 14 Sep 2022 12:02:43 +0800
Subject: [PATCH] fixed memheap size type.

---
 src/memheap.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/memheap.c b/src/memheap.c
index 0ff6925696..9cd87b821f 100644
--- a/src/memheap.c
+++ b/src/memheap.c
@@ -600,11 +600,12 @@ static struct rt_memheap _heap;
 
 void rt_system_heap_init(void *begin_addr, void *end_addr)
 {
+    RT_ASSERT((rt_size_t)end_addr > (rt_size_t)begin_addr);
     /* initialize a default heap in the system */
     rt_memheap_init(&_heap,
                     "heap",
                     begin_addr,
-                    (rt_uint32_t)end_addr - (rt_uint32_t)begin_addr);
+                    (rt_size_t)end_addr - (rt_size_t)begin_addr);
 }
 
 void *rt_malloc(rt_size_t size)
-- 
Gitee