[LINUX] [$] Maximal min() and max()

[1s2k.pl]

Like many projects written in C, the kernel makes extensive use of the C preprocessor; indeed, the kernel's use is rather more extensive than most. The preprocessor famously has a number of sharp edges associated with it. One might not normally think of increased compilation time as one of them, though. It turns out that some changes to a couple of conceptually simple preprocessor macros — min() and max() — led to some truly pathological, but hidden, behavior where those macros were used.

Przeczytaj cały wpis