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Code Issues Releases Wiki Activity

sysdefs.h: Add alignas

This commit is contained in:
Lasse Collin 2024-06-01 14:44:04 +03:00
parent 20014c2614
commit c0e7eaae8d
1 changed files with 11 additions and 0 deletions
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11
src/common/sysdefs.h
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@ -156,6 +156,17 @@ typedef unsigned char _Bool;
# define __bool_true_false_are_defined 1 # define __bool_true_false_are_defined 1
#endif #endif
// We may need alignas from C11/C17/C23.
#if __STDC_VERSION__ >= 202311
// alignas is a keyword in C23. Do nothing.
#elif __STDC_VERSION__ >= 201112
# include <stdalign.h>
#elif defined(__GNUC__) || defined(__clang__)
# define alignas(n) __attribute__((__aligned__(n)))
#else
# define alignas(n)
#endif
#include <string.h> #include <string.h>
// Visual Studio 2013 update 2 supports only __inline, not inline. // Visual Studio 2013 update 2 supports only __inline, not inline.