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/* Test for -Wtraditional warnings on ISO C function definitions.

   Note, gcc should omit these warnings in system header files.

   Origin: Kaveh R. Ghazi <ghazi@caip.rutgers.edu> 6/30/2002.  */

/* { dg-do compile } */

/* { dg-options "-Wtraditional" } */

/* Test some simple cases.  */

void f_void1 (void) /* { dg-warning "traditional C rejects ISO C style" } */

{

  return;

}

void f_void2 ()

{

  return;

}

void f_int1 (int f) /* { dg-warning "traditional C rejects ISO C style" } */

{

  return;

}

void f_int2 (f)

     int f;

{

  return;

}

/* Test that we don't ever warn about nested functions.  */

void f_int3 (int f) /* { dg-warning "traditional C rejects ISO C style" } */

{

  void f3a (void) { return; }

  void f3b () { return; }

  void f3c (int f) { return; }

  void f3d (f) int f; { return; }

  void f3e (const char *f, ...) { return; }

  return;

}

void f_int4 (int f) /* { dg-warning "traditional C rejects ISO C style" } */

{

  void f4a (void) { return; }

  void f4b () { return; }

  void f4c (int f) { return; }

  void f4d (f) int f; { return; }

  void f4e (const char *f, ...) { return; }

  auto f4f (void) { return 0; }

  return;

}

void f_int5 (f)

     int f;

{

  void f5a (void) { return; }

  void f5b () { return; }

  void f5c (int f) { return; }

  void f5d (f) int f; { return; }

  void f5e (const char *f, ...) { return; }

  return;

}

void f_int6 (f)

     int f;

{

  void f6a (void) { return; }

  void f6b () { return; }

  void f6c (int f) { return; }

  void f6d (f) int f; { return; }

  void f6e (const char *f, ...) { return; }

  auto f6f (void) { return 0; }

  return;

}

/* Test that prototypes are silently accepted and function definitions

   are still warned about.  */

extern void f_int_p1 (int);

void f_int_p1 (int f) /* { dg-warning "traditional C rejects ISO C style" } */

{

  return;

}

extern void f_int_p2 (int f);

void f_int_p2 (int f) /* { dg-warning "traditional C rejects ISO C style" } */

{

  return;

}

extern void f_int_p3 (int);

void f_int_p3 (f)

     int f;

{

  return;

}

extern void f_int_p4 (int f);

void f_int_p4 (f)

     int f;

{

  return;

}

extern void f_void_p1 ();

void f_void_p1 (void) /* { dg-warning "traditional C rejects ISO C style" } */

{

  return;

}

extern void f_void_p2 (void);

void f_void_p2 (void) /* { dg-warning "traditional C rejects ISO C style" } */

{

  return;

}

extern void f_blank_p1 ();

void f_blank_p1 ()

{

  return;

}

extern void f_blank_p2 (void);

void f_blank_p2 ()

{

  return;

}

/* Test some implicit int functions.  */

f_impl1()

{

  return 0;

}

f_impl2(void) /* { dg-warning "traditional C rejects ISO C style" } */

{

  return 0;

}

f_impl3(int f) /* { dg-warning "traditional C rejects ISO C style" } */

{

  return 0;

}

/* Test stdarg functions.  */

f_stdarg1(const char *s, ...) /* { dg-warning "traditional C rejects ISO C style" } */

{

  return 0;

}

void f_stdarg2(const char *s, ...) /* { dg-warning "traditional C rejects ISO C style" } */

{

  return;

}

extern void f_stdarg3(const char *, ...);

void f_stdarg3(const char *s, ...) /* { dg-warning "traditional C rejects ISO C style" } */

{

  return;

}

/* Test handling function pointer parameters.  */

void f_fnptr1 (int f, int (*fp)(int));

void f_fnptr1 (int f, int (*fp)(int)) /* { dg-warning "traditional C rejects ISO C style" } */

{

  return;

}

void f_fnptr2 (int f, int (*fp)(int));

void f_fnptr2 (f, fp)

     int f;

     int (*fp)(int);

{

  return;

}

/* Test for main.  */

int

main (int argc, char **argv) /* { dg-warning "traditional C rejects ISO C style" } */

{

  return 0;

}

# 182 "sys-header.h" 3

/* We are in system headers now, no -Wtraditional warnings should issue.  */

void fsys1 (void)

{

  return;

}

void fsys2 (int f)

{

  return;

}

void fsys3 (const char *f, ...)

{

  return;

}