gnu/dist/gcc4/gcc/testsuite/gcc.dg/format/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 } */
   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, na2;
  18   attr_t a1, a2;
  19
  20   vnoattr_t vna1, vna2;
  21   vattr_t va1, va2;
  22
  23   na1 = na;
  24   na2 = a; /* { dg-warning "candidate" "assignment warning" } */
  25   a1 = na;
  26   a2 = a;
  27
  28   vna1 = vna;
  29   vna2 = va; /* { dg-warning "candidate" "assignment warning" } */
  30   va1 = vna;
  31   va1 = va;
  32 }