tests/pp/20.c

   1 /* Various things I encountered while hacking the pre processor */
   2 #define wrap(x) x
   3 #define pr_warning(fmt, ...) printk(KERN_WARNING fmt, ##__VA_ARGS__)
   4 #define pr_warn(x,y) pr_warning(x,y)
   5 #define net_ratelimited_function(function, ...) function(__VA_ARGS__)
   6 X1 net_ratelimited_function(pr_warn, "pipapo", bla);
   7 X2 net_ratelimited_function(wrap(pr_warn), "bla", foo);
   8 #define two m n
   9 #define chain4(a,b,c,d) a ## b ## c ## d
  10 X2 chain4(two,o,p,q)
  11 X3 chain4(o,two,p,q)
  12 X4 chain4(o,p,two,q)
  13 X5 chain4(o,p,q,two)