clang/test/Sema/array-constraint.c

   1 // RUN: %clang_cc1 -fsyntax-only -verify -pedantic %s
   2
   3 struct s;  // expected-note 2 {{forward declaration of 'struct s'}}
   4 struct s* t (struct s z[]) {   // expected-error {{array has incomplete element type}}
   5   return z;
   6 }
   7
   8 void ff(void) {
   9   struct s v, *p; // expected-error {{variable has incomplete type 'struct s'}}
  10
  11   p = &v;
  12 }
  13
  14 void *k (void l[2]) {          // expected-error {{array has incomplete element type}}
  15   return l;
  16 }
  17
  18 struct vari {
  19   int a;
  20   int b[];
  21 };
  22
  23 struct vari *func(struct vari a[]) { // expected-warning {{'struct vari' may not be used as an array element due to flexible array member}}
  24   return a;
  25 }
  26
  27 int foo[](void);  // expected-error {{'foo' declared as array of functions}}
  28 int foo2[1](void);  // expected-error {{'foo2' declared as array of functions}}
  29
  30 typedef int (*pfunc)(void);
  31
  32 pfunc xx(int f[](void)) { // expected-error {{'f' declared as array of functions}}
  33   return f;
  34 }
  35
  36 void check_size(void) {
  37   float f;
  38   int size_not_int[f]; // expected-error {{size of array has non-integer type 'float'}}
  39   int negative_size[1-2]; // expected-error{{array with a negative size}}
  40   int zero_size[0]; // expected-warning{{zero size arrays are an extension}}
  41 }
  42
  43 static int I;
  44 typedef int TA[I]; // expected-error {{variable length array declaration not allowed at file scope}}
  45
  46 void strFunc(char *); // expected-note{{passing argument to parameter here}}
  47 const char staticAry[] = "test";
  48 void checkStaticAry(void) {
  49   strFunc(staticAry); // expected-warning{{passing 'const char[5]' to parameter of type 'char *' discards qualifiers}}
  50 }
  51
  52