gcc/testsuite/gcc.dg/func-args-1.c

   1 /* Test messages for wrong number of arguments to function.  */
   2 /* Origin: Joseph Myers <jsm@polyomino.org.uk> */
   3 /* { dg-do compile } */
   4 /* { dg-options "" } */
   5
   6 void f0(void); /* { dg-message "note: declared here" } */
   7 void f1(int); /* { dg-message "note: declared here" } */
   8 void f1v(int, ...); /* { dg-message "note: declared here" } */
   9 void f2(int, int); /* { dg-message "note: declared here" } */
  10 void f2v(int, int, ...); /* { dg-message "note: declared here" } */
  11
  12 struct s {
  13   void (*f0)(void);
  14   void (*f1)(int);
  15   void (*f1v)(int, ...);
  16   void (*f2)(int, int);
  17   void (*f2v)(int, int, ...);
  18 } x;
  19
  20 void
  21 g (int a)
  22 {
  23   f0();
  24   x.f0();
  25   f0(a); /* { dg-error "too many arguments to function 'f0'" } */
  26   x.f0(a); /* { dg-error "too many arguments to function 'x.f0'" } */
  27   f0(a, a); /* { dg-error "too many arguments to function 'f0'" } */
  28   x.f0(a, a); /* { dg-error "too many arguments to function 'x.f0'" } */
  29   f1(); /* { dg-error "too few arguments to function 'f1'" } */
  30   x.f1(); /* { dg-error "too few arguments to function 'x.f1'" } */
  31   f1(a);
  32   x.f1(a);
  33   f1(a, a); /* { dg-error "too many arguments to function 'f1'" } */
  34   x.f1(a, a); /* { dg-error "too many arguments to function 'x.f1'" } */
  35   f1v(); /* { dg-error "too few arguments to function 'f1v'" } */
  36   x.f1v(); /* { dg-error "too few arguments to function 'x.f1v'" } */
  37   f1v(a);
  38   x.f1v(a);
  39   f1v(a, a);
  40   x.f1v(a, a);
  41   f2(a); /* { dg-error "too few arguments to function 'f2'" } */
  42   x.f2(a); /* { dg-error "too few arguments to function 'x.f2'" } */
  43   f2(a, a);
  44   x.f2(a, a);
  45   f2(a, a, a); /* { dg-error "too many arguments to function 'f2'" } */
  46   x.f2(a, a, a); /* { dg-error "too many arguments to function 'x.f2'" } */
  47   f2v(a); /* { dg-error "too few arguments to function 'f2v'" } */
  48   x.f2v(a); /* { dg-error "too few arguments to function 'x.f2v'" } */
  49   f2v(a, a);
  50   x.f2v(a, a);
  51   f2v(a, a, a);
  52   x.f2v(a, a, a);
  53 }