validation/noderef.c

   1 # define __A    __attribute__((noderef))
   2
   3 struct x {
   4         int a;
   5         int b;
   6 };
   7
   8 struct y {
   9         int a[2];
  10 };
  11
  12 static void h(void)
  13 {
  14         char __A *p;
  15         char __A * * q1;
  16         char * __A * q2;
  17         struct x __A *xp;
  18         struct x __A x;
  19         int __A *q;
  20         int __A *r;
  21         struct y __A *py;
  22
  23         q1 = &p;
  24         q2 = &p;        /* This should complain */
  25
  26         r = &*q;
  27         r = q;
  28         r = &*(q+1);    /* This should NOT complain */
  29         r = q+1;
  30
  31         r = &xp->a;     /* This should NOT complain */
  32         r = &xp->b;
  33         r = &(*xp).a;
  34         r = &(*xp).b;
  35
  36         r = &x.a;
  37         r = &x.b;
  38
  39         r = py->a;
  40         r = py->a+1;
  41         r = &py->a[0];
  42 }
  43 /*
  44  * check-name: noderef attribute
  45  *
  46  * check-error-start
  47 noderef.c:24:12: warning: incorrect type in assignment (different modifiers)
  48 noderef.c:24:12:    expected char *[noderef] *q2
  49 noderef.c:24:12:    got char [noderef] **<noident>
  50  * check-error-end
  51  */