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| author | David Oberhollenzer <david.oberhollenzer@sigma-star.at> | 2019-11-18 09:04:42 +0100 |
|---|---|---|
| committer | David Oberhollenzer <david.oberhollenzer@sigma-star.at> | 2019-11-18 09:15:47 +0100 |
| commit | 71f1500390d8b26e38c151b95d2c48b328df15b1 (patch) | |
| tree | b7b4e79076e05c914c2e20bd1c3ffd7185dd1721 | |
| parent | ab4aea7b40f8977fe3d67875d0acb4032cf9d0c5 (diff) | |
Add container_of implementation to utilities
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
| -rw-r--r-- | include/util/util.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/util/util.h b/include/util/util.h index a08c7ee..095f02a 100644 --- a/include/util/util.h +++ b/include/util/util.h @@ -15,6 +15,9 @@ #include "compat.h" +#define container_of(ptr, type, member) \ + ((type *)((char *)ptr - offsetof(type, member))) + #if defined(__GNUC__) || defined(__clang__) #define UI_ADD_OV __builtin_uadd_overflow #define UL_ADD_OV __builtin_uaddl_overflow |