sdcc/support/regression/qct/0086-variadic.c

   1 #define ARGS(...) __VA_ARGS__
   2
   3 int
   4 none()
   5 {
   6         return 0;
   7 }
   8
   9 int
  10 one(int a)
  11 {
  12         if (a != 1)
  13                 return 1;
  14
  15         return 0;
  16 }
  17
  18 int
  19 two(int a, int b)
  20 {
  21         if (a != 1)
  22                 return 1;
  23         if (b != 2)
  24                 return 1;
  25
  26         return 0;
  27 }
  28
  29 int
  30 three(int a, int b, int c)
  31 {
  32         if (a != 1)
  33                 return 1;
  34         if (b != 2)
  35                 return 1;
  36         if (c != 3)
  37                 return 1;
  38
  39         return 0;
  40 }
  41
  42 int
  43 main()
  44 {
  45         if (none(ARGS()))
  46                 return 1;
  47         if (one(ARGS(1)))
  48                 return 2;
  49         if (two(ARGS(1, 2)))
  50                 return 3;
  51         if (three(ARGS(1, 2, 3)))
  52                 return 4;
  53         return 0;
  54 }