From a5ee277e2da50a789c03362938133a0063dbcf68 Mon Sep 17 00:00:00 2001
From: YuQing <384681@qq.com>
Date: Fri, 11 Jun 2021 11:03:26 +0800
Subject: [PATCH] add macros: MEM_ALIGN_FLOOR and MEM_ALIGN_CEIL

---
 src/common_define.h | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/common_define.h b/src/common_define.h
index 31f6428..69209e4 100644
--- a/src/common_define.h
+++ b/src/common_define.h
@@ -267,7 +267,11 @@ typedef int (*CompareFunc)(void *p1, void *p2);
 typedef void* (*MallocFunc)(size_t size);
 
 #define TO_UPPERCASE(c)  (((c) >= 'a' && (c) <= 'z') ? (c) - 32 : c)
-#define MEM_ALIGN(x)  (((x) + 7) & (~7))
+
+#define MEM_ALIGN_FLOOR(x, align_size) ((x) & (~(align_size - 1)))
+#define MEM_ALIGN_CEIL(x, align_size) \
+    (((x) + (align_size - 1)) & (~(align_size - 1)))
+#define MEM_ALIGN  MEM_ALIGN_CEIL(8)
 
 #ifdef WIN32
 #define strcasecmp	_stricmp