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Message-Id: <1398889381-22981-1-git-send-email-pdziepak@quarnos.org> Date: Wed, 30 Apr 2014 22:23:01 +0200 From: Pawel Dziepak <pdziepak@...rnos.org> To: musl@...ts.openwall.com Cc: Pawel Dziepak <pdziepak@...rnos.org> Subject: [PATCH] add definition of max_align_t to stddef.h max_align_t is an object type with the strictest alignment supported by the implementation in all contexts. An union is used to "choose" the greater of the two greatest scalar types: long long and long double. Signed-off-by: Pawel Dziepak <pdziepak@...rnos.org> --- include/alltypes.h.in | 2 ++ include/stddef.h | 1 + 2 files changed, 3 insertions(+) diff --git a/include/alltypes.h.in b/include/alltypes.h.in index c4ca5d5..ec3873f 100644 --- a/include/alltypes.h.in +++ b/include/alltypes.h.in @@ -18,6 +18,8 @@ TYPEDEF unsigned _Int64 uint64_t; TYPEDEF unsigned _Int64 u_int64_t; TYPEDEF unsigned _Int64 uintmax_t; +TYPEDEF union { long double ld; long long ll; } max_align_t; + TYPEDEF unsigned mode_t; TYPEDEF unsigned _Reg nlink_t; TYPEDEF _Int64 off_t; diff --git a/include/stddef.h b/include/stddef.h index 0a32919..cab34d9 100644 --- a/include/stddef.h +++ b/include/stddef.h @@ -7,6 +7,7 @@ #define NULL ((void*)0) #endif +#define __NEED_max_align_t #define __NEED_ptrdiff_t #define __NEED_size_t #define __NEED_wchar_t -- 1.9.0
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