5
뭐가 ":-!!" C 코드로?
나는 /usr/include/linux/kernel.h 에서이 이상한 매크로 코드에 부딪쳤다 . /* Force a compilation error if condition is true, but also produce a result (of value 0 and type size_t), so the expression can be used e.g. in a structure initializer (or where-ever else comma expressions aren't permitted). */ #define BUILD_BUG_ON_ZERO(e) (sizeof(struct …
1665
c
linux
macros
linux-kernel