gnu/dist/gcc4/gcc/testsuite/gcc.dg/format/miss-3.c

   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 #include "format.h"
   7
   8 typedef void (*noattr_t) (const char *, ...);
   9 typedef noattr_t __attribute__ ((__format__(__printf__, 1, 2))) attr_t;
  10
  11 typedef void (*vnoattr_t) (const char *, va_list);
  12 typedef vnoattr_t __attribute__ ((__format__(__printf__, 1, 0))) vattr_t;
  13
  14 void
  15 foo1 (noattr_t na, attr_t a, vnoattr_t vna, vattr_t va)
  16 {
  17   noattr_t na1 = na;
  18   noattr_t na2 = a; /* { dg-warning "candidate" "initialization warning" } */
  19   attr_t a1 = na;
  20   attr_t a2 = a;
  21
  22   vnoattr_t vna1 = vna;
  23   vnoattr_t vna2 = va; /* { dg-warning "candidate" "initialization warning" } */
  24   vattr_t va1 = vna;
  25   vattr_t va2 = va;
  26 }