Make const ptr assign as function call in clang

- This can act as memory barrier in clang to avoid read before assign of a const ptr Signed-off-by: LoveSy <shana@zju.edu.cn> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2021-10-10 02:19:51 +08:00
parent 04ad683bf9
commit 5156b24553
7 changed files with 38 additions and 12 deletions
--- a/coreutils/test.c
+++ b/coreutils/test.c
@@ -446,7 +446,7 @@ extern struct test_statics *BB_GLOBAL_CONST test_ptr_to_statics;
 #define leaving         (S.leaving      )

 #define INIT_S() do { \
-	ASSIGN_CONST_PTR(test_ptr_to_statics, xzalloc(sizeof(S))); \
+	XZALLOC_CONST_PTR(&test_ptr_to_statics, sizeof(S)); \
 } while (0)
 #define DEINIT_S() do { \
 	free(group_array); \