1  /* Test warnings for missing format attributes on function pointers.  */
       2  /* Origin: Kaveh Ghazi <ghazi@caip.rutgers.edu> */
       3  /* { dg-do compile } */
       4  /* { dg-options "-std=gnu99 -Wmissing-format-attribute" } */
       5  
       6  #define DONT_GNU_PROTOTYPE
       7  #include "format.h"
       8  
       9  typedef void (*noattr_t) (const char *, ...);
      10  typedef noattr_t __attribute__ ((__format__(gnu_attr___printf__, 1, 2))) attr_t;
      11  
      12  typedef void (*vnoattr_t) (const char *, va_list);
      13  typedef vnoattr_t __attribute__ ((__format__(gnu_attr___printf__, 1, 0))) vattr_t;
      14  
      15  extern void foo1 (noattr_t);
      16  extern void foo2 (attr_t);
      17  extern void foo3 (vnoattr_t);
      18  extern void foo4 (vattr_t);
      19  
      20  void
      21  foo (noattr_t na, attr_t a, vnoattr_t vna, vattr_t va)
      22  {
      23    foo1 (na);
      24    foo1 (a); /* { dg-warning "candidate" "parameter passing warning" } */
      25    foo2 (na);
      26    foo2 (a);
      27  
      28    foo3 (vna);
      29    foo3 (va); /* { dg-warning "candidate" "parameter passing warning" } */
      30    foo4 (vna);
      31    foo4 (va);
      32  }