1 #ifndef _LINUX_CONST_H 1 #ifndef _LINUX_CONST_H
2 #define _LINUX_CONST_H 2 #define _LINUX_CONST_H
3 3
4 #include <vdso/const.h> 4 #include <vdso/const.h>
5 5
>> 6 /*
>> 7 * This returns a constant expression while determining if an argument is
>> 8 * a constant expression, most importantly without evaluating the argument.
>> 9 * Glory to Martin Uecker <Martin.Uecker@med.uni-goettingen.de>
>> 10 */
>> 11 #define __is_constexpr(x) \
>> 12 (sizeof(int) == sizeof(*(8 ? ((void *)((long)(x) * 0l)) : (int *)8)))
>> 13
6 #endif /* _LINUX_CONST_H */ 14 #endif /* _LINUX_CONST_H */
7 15
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