diff options
| author | YU Jincheng | 2021-10-10 02:19:51 +0800 |
|---|---|---|
| committer | Denys Vlasenko | 2021-10-09 22:30:45 +0200 |
| commit | 5156b245536ce0f07165793f07c63fd9fa5dd3b7 (patch) | |
| tree | 3b73b7ea8ed1830d9cc13cbce1da6918926553e2 /shell | |
| parent | 04ad683bf99333c2a6c6fd6549faa67978ad9a98 (diff) | |
| download | busybox-5156b245536ce0f07165793f07c63fd9fa5dd3b7.zip busybox-5156b245536ce0f07165793f07c63fd9fa5dd3b7.tar.gz | |
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>
Diffstat (limited to 'shell')
| -rw-r--r-- | shell/ash.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/shell/ash.c b/shell/ash.c index 1999751..2d3cc8a 100644 --- a/shell/ash.c +++ b/shell/ash.c @@ -504,7 +504,7 @@ extern struct globals_misc *BB_GLOBAL_CONST ash_ptr_to_globals_misc; #define random_gen (G_misc.random_gen ) #define backgndpid (G_misc.backgndpid ) #define INIT_G_misc() do { \ - ASSIGN_CONST_PTR(ash_ptr_to_globals_misc, xzalloc(sizeof(G_misc))); \ + XZALLOC_CONST_PTR(&ash_ptr_to_globals_misc, sizeof(G_misc)); \ savestatus = -1; \ curdir = nullstr; \ physdir = nullstr; \ @@ -1582,7 +1582,7 @@ extern struct globals_memstack *BB_GLOBAL_CONST ash_ptr_to_globals_memstack; #define g_stacknleft (G_memstack.g_stacknleft) #define stackbase (G_memstack.stackbase ) #define INIT_G_memstack() do { \ - ASSIGN_CONST_PTR(ash_ptr_to_globals_memstack, xzalloc(sizeof(G_memstack))); \ + XZALLOC_CONST_PTR(&ash_ptr_to_globals_memstack, sizeof(G_memstack)); \ g_stackp = &stackbase; \ g_stacknxt = stackbase.space; \ g_stacknleft = MINSIZE; \ @@ -2213,7 +2213,7 @@ extern struct globals_var *BB_GLOBAL_CONST ash_ptr_to_globals_var; #endif #define INIT_G_var() do { \ unsigned i; \ - ASSIGN_CONST_PTR(ash_ptr_to_globals_var, xzalloc(sizeof(G_var))); \ + XZALLOC_CONST_PTR(&ash_ptr_to_globals_var, sizeof(G_var)); \ for (i = 0; i < ARRAY_SIZE(varinit_data); i++) { \ varinit[i].flags = varinit_data[i].flags; \ varinit[i].var_text = varinit_data[i].var_text; \ |