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/* { dg-do compile } */

/* { dg-options "-O2" } */

#include <stdarg.h>

extern int error_open_missing_mode (void)

  __attribute__((__error__ ("open with O_CREAT needs 3 arguments, only 2 were given")));

extern int warn_open_too_many_arguments (void)

  __attribute__((__warning__ ("open called with more than 3 arguments")));

extern int myopen2 (const char *path, int oflag);

extern int myopenva (const char *path, int oflag, ...);

extern inline __attribute__((always_inline, gnu_inline)) int

myopen (const char *path, int oflag, ...)

{

  if (__builtin_va_arg_pack_len () > 1)

    warn_open_too_many_arguments ();    /* { dg-warning "called with more than 3" } */

  if (__builtin_constant_p (oflag))

    {

      if ((oflag & 0x40) != 0 && __builtin_va_arg_pack_len () < 1)

        {

          error_open_missing_mode ();   /* { dg-error "needs 3 arguments, only 2 were given" } */

          return myopen2 (path, oflag);

        }

      return myopenva (path, oflag, __builtin_va_arg_pack ());

    }

  if (__builtin_va_arg_pack_len () < 1)

    return myopen2 (path, oflag);

  return myopenva (path, oflag, __builtin_va_arg_pack ());

}

int

main (void)

{

  myopen ("h", 0x43);

  myopen ("i", 0x43, 0644, 0655);

  return 0;

}