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/* Test warnings for missing format attributes on function pointers.  */

/* Origin: Kaveh Ghazi <ghazi@caip.rutgers.edu> */

/* { dg-do compile } */

/* { dg-options "-std=gnu99 -Wmissing-format-attribute" } */

#define DONT_GNU_PROTOTYPE

#include "format.h"

typedef void (*noattr_t) (const char *, ...);

typedef noattr_t __attribute__ ((__format__(gnu_attr___printf__, 1, 2))) attr_t;

typedef void (*vnoattr_t) (const char *, va_list);

typedef vnoattr_t __attribute__ ((__format__(gnu_attr___printf__, 1, 0))) vattr_t;

noattr_t

foo1 (noattr_t na, attr_t a, int i)

{

  if (i)

    return na;

  else

    return a; /* { dg-warning "candidate" "return type warning" } */

}

attr_t

foo2 (noattr_t na, attr_t a, int i)

{

  if (i)

    return na;

  else

    return a;

}

vnoattr_t

foo3 (vnoattr_t vna, vattr_t va, int i)

{

  if (i)

    return vna;

  else

    return va; /* { dg-warning "candidate" "return type warning" } */

}

vattr_t

foo4 (vnoattr_t vna, vattr_t va, int i)

{

  if (i)

    return vna;

  else

    return va;

}