correct macro fast_mblock_to_node_ptr

876a08d3 · yuqing · 701bc391 · 876a08d3
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src/fast_mblock.h src/fast_mblock.h +1 -1

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--- a/src/fast_mblock.h
+++ b/src/fast_mblock.h
@@ -42,7 +42,7 @@ struct fast_mblock_man
 };

 #define fast_mblock_to_node_ptr(data_ptr) \
-        (struct fast_mblock_node *)(data_ptr - ((size_t)(char *) \
+        (struct fast_mblock_node *)((char *)data_ptr - ((size_t)(char *) \
                    &((struct fast_mblock_node *)0)->data))

 #ifdef __cplusplus