gcc/testsuite/gcc.dg/format/ms_miss-4.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 void
  16 foo1 (noattr_t na, attr_t a, vnoattr_t vna, vattr_t va)
  17 {
  18   noattr_t na1, na2;
  19   attr_t a1, a2;
  20
  21   vnoattr_t vna1, vna2;
  22   vattr_t va1, va2;
  23
  24   na1 = na;
  25   na2 = a; /* { dg-warning "candidate" "assignment warning" } */
  26   a1 = na;
  27   a2 = a;
  28
  29   vna1 = vna;
  30   vna2 = va; /* { dg-warning "candidate" "assignment warning" } */
  31   va1 = vna;
  32   va1 = va;
  33 }