old-autovect-branch/gcc/testsuite/gcc.dg/format/miss-5.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 noattr_t
  15 foo1 (noattr_t na, attr_t a, int i)
  16 {
  17   if (i)
  18     return na;
  19   else
  20     return a; /* { dg-warning "candidate" "return type warning" } */
  21 }
  22
  23 attr_t
  24 foo2 (noattr_t na, attr_t a, int i)
  25 {
  26   if (i)
  27     return na;
  28   else
  29     return a;
  30 }
  31
  32 vnoattr_t
  33 foo3 (vnoattr_t vna, vattr_t va, int i)
  34 {
  35   if (i)
  36     return vna;
  37   else
  38     return va; /* { dg-warning "candidate" "return type warning" } */
  39 }
  40
  41 vattr_t
  42 foo4 (vnoattr_t vna, vattr_t va, int i)
  43 {
  44   if (i)
  45     return vna;
  46   else
  47     return va;
  48 }