1  /* Test warnings for missing format attributes on function pointers.  */
       2  /* Origin: Kaveh Ghazi <ghazi@caip.rutgers.edu> */
       3  /* { dg-do compile { target { *-*-mingw* } } } */
       4  /* { dg-options "-std=gnu99 -Wmissing-format-attribute" } */
       5  
       6  #define USE_SYSTEM_FORMATS
       7  #include "format.h"
       8  
       9  typedef void (*noattr_t) (const char *, ...);
      10  typedef noattr_t __attribute__ ((__format__(__ms_printf__, 1, 2))) attr_t;
      11  
      12  typedef void (*vnoattr_t) (const char *, va_list);
      13  typedef vnoattr_t __attribute__ ((__format__(__ms_printf__, 1, 0))) vattr_t;
      14  
      15  noattr_t
      16  foo1 (noattr_t na, attr_t a, int i)
      17  {
      18    if (i)
      19      return na;
      20    else
      21      return a; /* { dg-warning "candidate" "return type warning" } */
      22  }
      23  
      24  attr_t
      25  foo2 (noattr_t na, attr_t a, int i)
      26  {
      27    if (i)
      28      return na;
      29    else
      30      return a;
      31  }
      32  
      33  vnoattr_t
      34  foo3 (vnoattr_t vna, vattr_t va, int i)
      35  {
      36    if (i)
      37      return vna;
      38    else
      39      return va; /* { dg-warning "candidate" "return type warning" } */
      40  }
      41  
      42  vattr_t
      43  foo4 (vnoattr_t vna, vattr_t va, int i)
      44  {
      45    if (i)
      46      return vna;
      47    else
      48      return va;
      49  }