gcc/testsuite/gcc.dg/format/ms_miss-6.c

   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 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 }