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| author | dimitri staessens <dimitri.staessens@ugent.be> | 2017-07-12 11:35:08 +0200 |
|---|---|---|
| committer | dimitri staessens <dimitri.staessens@ugent.be> | 2017-07-12 11:35:08 +0200 |
| commit | e3c7beb6ea050abbb77da098bdd30a808a8cb2c2 (patch) | |
| tree | 833d71da9123b256caa2450b8e5e5f7dda17b486 | |
| parent | 662eaf1b0be528020b10311fc9c130f4039d4f81 (diff) | |
| download | ouroboros-e3c7beb6ea050abbb77da098bdd30a808a8cb2c2.tar.gz ouroboros-e3c7beb6ea050abbb77da098bdd30a808a8cb2c2.zip | |
include: Use offsetof in list.h
| -rw-r--r-- | include/ouroboros/list.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/ouroboros/list.h b/include/ouroboros/list.h index 8811e291..40627651 100644 --- a/include/ouroboros/list.h +++ b/include/ouroboros/list.h @@ -26,6 +26,7 @@ #include <stdbool.h> #include <stdint.h> +#include <stddef.h> #include <sys/types.h> struct list_head { @@ -34,7 +35,7 @@ struct list_head { }; #define list_entry(ptr, type, mbr) \ - ((type *)((uint8_t *)(ptr)-(size_t)(&((type *)0)->mbr))) + ((type *)((uint8_t *)(ptr) - offsetof(type, mbr))) #define list_first_entry(ptr, type, mbr) \ list_entry((ptr)->nxt, type, mbr) |