060b0849a6
They're stricter. The GNU attributes are too lazy, and can be misused more easily. Also, mixing both has its own problems. Link: <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108796> Signed-off-by: Alejandro Colomar <alx@kernel.org>
36 lines
904 B
C
36 lines
904 B
C
#ifndef SHADOW_INCLUDE_LIB_ATTR_H_
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#define SHADOW_INCLUDE_LIB_ATTR_H_
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#include "config.h"
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#if defined(__GNUC__)
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# define MAYBE_UNUSED [[gnu::unused]]
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# define NORETURN [[gnu::__noreturn__]]
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# define format_attr(type, fmt, va) [[gnu::format(type, fmt, va)]]
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# define ATTR_ACCESS(...) [[gnu::access(__VA_ARGS__)]]
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# define ATTR_ALLOC_SIZE(...) [[gnu::alloc_size(__VA_ARGS__)]]
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#else
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# define MAYBE_UNUSED
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# define NORETURN
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# define format_attr(type, fmt, va)
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# define ATTR_ACCESS(...)
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# define ATTR_ALLOC_SIZE(...)
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#endif
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#if (__GNUC__ >= 11) && !defined(__clang__)
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# define ATTR_MALLOC(deallocator) [[gnu::malloc(deallocator)]]
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#else
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# define ATTR_MALLOC(deallocator)
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#endif
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#if (__GNUC__ >= 14)
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# define ATTR_STRING(...) [[gnu::null_terminated_string_arg(__VA_ARGS__)]]
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#else
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# define ATTR_STRING(...)
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#endif
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#endif // include guard
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