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// RUN: %clang_cc1 -fsyntax-only -verify %s
#define __sized_by(f) __attribute__((sized_by(f)))
// This has been adapted from clang/test/Sema/attr-counted-by-vla.c, but with VLAs replaced with pointers
struct bar;
struct not_found {
int size;
struct bar *ptr __sized_by(bork); // expected-error {{use of undeclared identifier 'bork'}}
};
struct no_found_size_not_in_substruct {
unsigned long flags;
unsigned char size; // expected-note {{'size' declared here}}
struct A {
int dummy;
int * ptr __sized_by(size); // expected-error {{'sized_by' field 'size' isn't within the same struct as the annotated pointer}}
} a;
};
struct not_found_size_not_in_unnamed_substruct {
unsigned char size; // expected-note {{'size' declared here}}
struct {
int dummy;
int * ptr __sized_by(size); // expected-error {{'sized_by' field 'size' isn't within the same struct as the annotated pointer}}
} a;
};
struct not_found_size_not_in_unnamed_substruct_2 {
struct {
unsigned char size; // expected-note {{'size' declared here}}
};
struct {
int dummy;
int * ptr __sized_by(size); // expected-error {{'sized_by' field 'size' isn't within the same struct as the annotated pointer}}
} a;
};
struct not_found_size_in_other_unnamed_substruct {
struct {
unsigned char size;
} a1;
struct {
int dummy;
int * ptr __sized_by(size); // expected-error {{use of undeclared identifier 'size'}}
};
};
struct not_found_size_in_other_substruct {
struct _a1 {
unsigned char size;
} a1;
struct {
int dummy;
int * ptr __sized_by(size); // expected-error {{use of undeclared identifier 'size'}}
};
};
struct not_found_size_in_other_substruct_2 {
struct _a2 {
unsigned char size;
} a2;
int * ptr __sized_by(size); // expected-error {{use of undeclared identifier 'size'}}
};
struct not_found_suggest {
int bork;
struct bar **ptr __sized_by(blork); // expected-error {{use of undeclared identifier 'blork'}}
};
int global; // expected-note {{'global' declared here}}
struct found_outside_of_struct {
int bork;
struct bar ** ptr __sized_by(global); // expected-error {{field 'global' in 'sized_by' not inside structure}}
};
struct self_referrential {
int bork;
struct bar *self[] __sized_by(self); // expected-error {{use of undeclared identifier 'self'}}
};
struct non_int_size {
double dbl_size;
struct bar ** ptr __sized_by(dbl_size); // expected-error {{'sized_by' requires a non-boolean integer type argument}}
};
struct array_of_ints_size {
int integers[2];
struct bar ** ptr __sized_by(integers); // expected-error {{'sized_by' requires a non-boolean integer type argument}}
};
struct not_a_c99_fam {
int size;
struct bar *non_c99_fam[0] __sized_by(size); // expected-error {{'sized_by' only applies to pointers; did you mean to use 'counted_by'?}}
};
struct annotated_with_anon_struct {
unsigned long flags;
struct {
unsigned char size;
int * ptr __sized_by(crount); // expected-error {{use of undeclared identifier 'crount'}}
};
};
//==============================================================================
// __sized_by on a struct ptr with element type that has unknown size
//==============================================================================
struct size_unknown;
struct on_member_ptr_incomplete_ty_ty_pos {
int size;
struct size_unknown * ptr __sized_by(size);
};
struct on_member_ptr_incomplete_const_ty_ty_pos {
int size;
const struct size_unknown * ptr __sized_by(size);
};
struct on_member_ptr_void_ty_ty_pos {
int size;
void * ptr __sized_by(size);
};
typedef void(fn_ty)(int);
struct on_member_ptr_fn_ptr_ty {
int size;
fn_ty* * ptr __sized_by(size);
};
struct on_member_ptr_fn_ty {
int size;
// expected-error@+1{{'sized_by' cannot be applied to a pointer with pointee of unknown size because 'fn_ty' (aka 'void (int)') is a function type}}
fn_ty * ptr __sized_by(size);
};
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