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/* Test for some aspects of null format string handling.  */

/* Origin: Jason Thorpe <thorpej@wasabisystems.com> */

/* { dg-do compile } */

/* { dg-options "-std=gnu99 -Wformat" } */

#include "format.h"

extern void my_printf (const char *, ...) __attribute__((format(printf,1,2)));

extern const char *my_format (const char *, const char *)

  __attribute__((format_arg(2)));

void

foo (int i1)

{

  /* Warning about a null format string has been decoupled from the actual

     format check.  However, we still expect to be warned about any excess

     arguments after a null format string.  */

  my_printf (NULL);

  my_printf (NULL, i1); /* { dg-warning "too many" "null format with arguments" } */

  my_printf (my_format ("", NULL));

  my_printf (my_format ("", NULL), i1); /* { dg-warning "too many" "null format_arg with arguments" } */

  /* While my_printf allows a null argument, dgettext does not, so we expect

     a null argument warning here.  */

  my_printf (dgettext ("", NULL)); /* { dg-warning "null" "null format with dgettext" } */

}