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| author | Jörg Frings-Fürst <debian@jff.email> | 2025-10-18 19:07:35 +0200 |
|---|---|---|
| committer | Jörg Frings-Fürst <debian@jff.email> | 2025-10-18 19:07:35 +0200 |
| commit | fa23d938c040bc8af305a31fa874df55b2a02576 (patch) | |
| tree | 9704e2f7bd8962ea8911cd6f4e2d37227d7eff2e /lib/flexmember.h | |
| parent | df9dbf9b0915e432a4a2c4182f60af36374eaaab (diff) | |
| parent | 693ae7b71dfdd1a8146266b5794a71c0dbe5dff0 (diff) | |
Merge branch 'feature/upstream' into develop
Diffstat (limited to 'lib/flexmember.h')
| -rw-r--r-- | lib/flexmember.h | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/lib/flexmember.h b/lib/flexmember.h index 6ef66a32..b4d86c29 100644 --- a/lib/flexmember.h +++ b/lib/flexmember.h @@ -1,6 +1,6 @@ /* Sizes of structs with flexible array members. - Copyright 2016-2024 Free Software Foundation, Inc. + Copyright 2016-2025 Free Software Foundation, Inc. This file is part of the GNU C Library. @@ -28,11 +28,12 @@ #include <stddef.h> /* Nonzero multiple of alignment of TYPE, suitable for FLEXSIZEOF below. - On older platforms without _Alignof, use a pessimistic bound that is + If _Alignof might not exist or might not work correctly on + structs with flexible array members, use a pessimistic bound that is safe in practice even if FLEXIBLE_ARRAY_MEMBER is 1. - On newer platforms, use _Alignof to get a tighter bound. */ + Otherwise, use _Alignof to get a tighter bound. */ -#if !defined __STDC_VERSION__ || __STDC_VERSION__ < 201112 +#if !defined __STDC_VERSION__ || __STDC_VERSION__ < 201112 || defined _Alignof # define FLEXALIGNOF(type) (sizeof (type) & ~ (sizeof (type) - 1)) #else # define FLEXALIGNOF(type) _Alignof (type) |