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#ifndef SHADOW_INCLUDE_LIB_ATTR_H_
#define SHADOW_INCLUDE_LIB_ATTR_H_
#include "config.h"
#if !defined(__has_c_attribute)
# define __has_c_attribute(x) 0
#endif
#if __has_c_attribute(maybe_unused)
# define MAYBE_UNUSED [[maybe_unused]]
#else
# define MAYBE_UNUSED
#endif
#if __has_c_attribute(noreturn)
# define NORETURN [[noreturn]]
#else
# define NORETURN
#endif
#if __has_c_attribute(gnu::format)
# define format_attr(type, fmt, va) [[gnu::format(type, fmt, va)]]
#else
# define format_attr(type, fmt, va)
#endif
#if __has_c_attribute(gnu::access)
# define ATTR_ACCESS(...) [[gnu::access(__VA_ARGS__)]]
#else
# define ATTR_ACCESS(...)
#endif
#if __has_c_attribute(gnu::alloc_size)
# define ATTR_ALLOC_SIZE(...) [[gnu::alloc_size(__VA_ARGS__)]]
#else
# define ATTR_ALLOC_SIZE(...)
#endif
#if (__GNUC__ >= 11) && !defined(__clang__)
# define ATTR_MALLOC(deallocator) [[gnu::malloc(deallocator)]]
#else
# define ATTR_MALLOC(deallocator)
#endif
#if __has_c_attribute(gnu::null_terminated_string_arg)
# define ATTR_STRING(i) [[gnu::null_terminated_string_arg(i)]]
#else
# define ATTR_STRING(i)
#endif
#if __has_c_attribute(gnu::nonstring)
# define ATTR_NONSTRING [[gnu::nonstring]]
#else
# define ATTR_NONSTRING
#endif
#endif // include guard
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