gcc/testsuite/gcc.dg/torture/c23-stdarg-split-1a.c

   1 /* Test C23 variadic functions with no named parameters, or last named
   2    parameter with a declaration not allowed in C17.  Execution tests split
   3    between source files.  */
   4 /* { dg-do run } */
   5 /* { dg-options "-std=c23 -pedantic-errors" } */
   6 /* { dg-additional-sources "c23-stdarg-split-1b.c" } */
   7
   8 extern void abort (void);
   9 extern void exit (int);
  10
  11 double f (...);
  12 void g (...);
  13 void h1 (register int x, ...);
  14 void h2 (int x(), ...);
  15 void h3 (int x[10], ...);
  16 void h4 (char x, ...);
  17 void h5 (float x, ...);
  18 void h6 (volatile long x, ...);
  19 struct s { char c[1000]; };
  20 void h7 (volatile struct s x, ...);
  21
  22 int
  23 main ()
  24 {
  25   if (f (1, 2.0, 3, 4.0) != 10.0)
  26     abort ();
  27   g (0.0, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0);
  28   g (0.0f, 1.0f, 2.0f, 3.0f, 4.0f, 5.0f, 6.0f, 7.0f, 8.0f, 9.0f);
  29   h1 (0, 0.0, 1, 2.0, 3, 4.0, 5, 6.0, 7, 8.0, 9);
  30   h2 (0, 0.0, 1, 2.0, 3, 4.0, 5, 6.0, 7, 8.0, 9);
  31   h3 (0, 0.0, 1, 2.0, 3, 4.0, 5, 6.0, 7, 8.0, 9);
  32   h4 (0, 0.0, 1, 2.0, 3, 4.0, 5, 6.0, 7, 8.0, 9);
  33   h5 (0, 0.0, 1, 2.0, 3, 4.0, 5, 6.0, 7, 8.0, 9);
  34   h6 (0, 0.0, 1, 2.0, 3, 4.0, 5, 6.0, 7, 8.0, 9);
  35   h7 ((struct s) {}, 0.0, 1, 2.0, 3, 4.0, 5, 6.0, 7, 8.0, 9);
  36   exit (0);
  37 }