llvm-project/clang/test/Sema/array-constraint.c

53 lines
1.5 KiB
C

// RUN: %clang_cc1 -fsyntax-only -verify -pedantic %s
struct s; // expected-note 2 {{forward declaration of 'struct s'}}
struct s* t (struct s z[]) { // expected-error {{array has incomplete element type}}
return z;
}
void ff() {
struct s v, *p; // expected-error {{variable has incomplete type 'struct s'}}
p = &v;
}
void *k (void l[2]) { // expected-error {{array has incomplete element type}}
return l;
}
struct vari {
int a;
int b[];
};
struct vari *func(struct vari a[]) { // expected-warning {{'struct vari' may not be used as an array element due to flexible array member}}
return a;
}
int foo[](void); // expected-error {{'foo' declared as array of functions}}
int foo2[1](void); // expected-error {{'foo2' declared as array of functions}}
typedef int (*pfunc)(void);
pfunc xx(int f[](void)) { // expected-error {{'f' declared as array of functions}}
return f;
}
void check_size() {
float f;
int size_not_int[f]; // expected-error {{size of array has non-integer type 'float'}}
int negative_size[1-2]; // expected-error{{array size is negative}}
int zero_size[0]; // expected-warning{{zero size arrays are an extension}}
}
static int I;
typedef int TA[I]; // expected-error {{variable length array declaration not allowed at file scope}}
void strFunc(char *); // expected-note{{passing argument to parameter here}}
const char staticAry[] = "test";
void checkStaticAry() {
strFunc(staticAry); // expected-warning{{passing 'const char [5]' to parameter of type 'char *' discards qualifiers}}
}