attr-deprecated.c revision d7d5f0223bd30dfd618762349c6209dd1d5ea3e6 
1// RUN: clang-cc %s -verify -fsyntax-only
2
3int f() __attribute__((deprecated));
4void g() __attribute__((deprecated));
5void g();
6
7void z() __attribute__((bogusattr)); // expected-warning {{'bogusattr' attribute ignored}}
8
9extern int var __attribute__((deprecated));
10
11int a() {
12  int (*ptr)() = f; // expected-warning {{'f' is deprecated}}
13  f(); // expected-warning {{'f' is deprecated}}
14
15  // test if attributes propagate to functions
16  g(); // expected-warning {{'g' is deprecated}}
17
18  return var; // expected-warning {{'var' is deprecated}}
19}
20
21// test if attributes propagate to variables
22extern int var;
23int w() {
24	return var; // expected-warning {{'var' is deprecated}}
25}
26
27int old_fn() __attribute__ ((deprecated));
28int old_fn();
29int (*fn_ptr)() = old_fn; // expected-warning {{'old_fn' is deprecated}}
30
31int old_fn() {
32  return old_fn()+1;  // no warning, deprecated functions can use deprecated symbols.
33}
34
35
36struct foo {
37  int x __attribute__((deprecated));
38};
39
40void test1(struct foo *F) {
41  ++F->x;  // expected-warning {{'x' is deprecated}}
42}
43
44typedef struct foo foo_dep __attribute__((deprecated));
45foo_dep *test2;    // expected-warning {{'foo_dep' is deprecated}}
46