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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2025-12-13 01:18:20 -0800 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2025-12-13 01:18:20 -0800 |
| commit | a4a508df2aa34f8650afde54ea804321c618f45f (patch) | |
| tree | f75f10e7c54f991d7d859f8cbdcc8bcaed5bbd6f /include/linux/stddef.h | |
| parent | c4b3133c6a2fc283cb3d34c64d40ed2fa254b608 (diff) | |
| parent | 7d0a66e4bb9081d75c82ec4957c50034cb0ea449 (diff) | |
Merge tag 'v6.18' into next
Sync up with the mainline to bring in the latest APIs.
Diffstat (limited to 'include/linux/stddef.h')
| -rw-r--r-- | include/linux/stddef.h | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/include/linux/stddef.h b/include/linux/stddef.h index dab49e2ec8c0..80b6bfb944f0 100644 --- a/include/linux/stddef.h +++ b/include/linux/stddef.h @@ -94,7 +94,8 @@ enum { __DECLARE_FLEX_ARRAY(TYPE, NAME) /** - * TRAILING_OVERLAP() - Overlap a flexible-array member with trailing members. + * __TRAILING_OVERLAP() - Overlap a flexible-array member with trailing + * members. * * Creates a union between a flexible-array member (FAM) in a struct and a set * of additional members that would otherwise follow it. @@ -102,15 +103,30 @@ enum { * @TYPE: Flexible structure type name, including "struct" keyword. * @NAME: Name for a variable to define. * @FAM: The flexible-array member within @TYPE + * @ATTRS: Any struct attributes (usually empty) * @MEMBERS: Trailing overlapping members. */ -#define TRAILING_OVERLAP(TYPE, NAME, FAM, MEMBERS) \ +#define __TRAILING_OVERLAP(TYPE, NAME, FAM, ATTRS, MEMBERS) \ union { \ TYPE NAME; \ struct { \ - unsigned char __offset_to_##FAM[offsetof(TYPE, FAM)]; \ + unsigned char __offset_to_FAM[offsetof(TYPE, FAM)]; \ MEMBERS \ - }; \ + } ATTRS; \ } +/** + * TRAILING_OVERLAP() - Overlap a flexible-array member with trailing members. + * + * Creates a union between a flexible-array member (FAM) in a struct and a set + * of additional members that would otherwise follow it. + * + * @TYPE: Flexible structure type name, including "struct" keyword. + * @NAME: Name for a variable to define. + * @FAM: The flexible-array member within @TYPE + * @MEMBERS: Trailing overlapping members. + */ +#define TRAILING_OVERLAP(TYPE, NAME, FAM, MEMBERS) \ + __TRAILING_OVERLAP(TYPE, NAME, FAM, /* no attrs */, MEMBERS) + #endif |