attr-deprecated.c revision 54abf7d4fa3123b8324c09d2a4dfb789fd818403
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 47struct bar_dep __attribute__((deprecated, 48 invalid_attribute)); // expected-warning {{'invalid_attribute' attribute ignored}} 49 50struct bar_dep *test3; // expected-warning {{'bar_dep' is deprecated}} 51 52 53// These should not warn because the actually declaration itself is deprecated. 54// rdar://6756623 55foo_dep *test4 __attribute__((deprecated)); 56struct bar_dep *test5 __attribute__((deprecated)); 57 58typedef foo_dep test6(struct bar_dep*); // expected-warning {{'foo_dep' is deprecated}} \ 59 // expected-warning {{'bar_dep' is deprecated}} 60typedef foo_dep test7(struct bar_dep*) __attribute__((deprecated)); 61 62int test8(char *p) { 63 p += sizeof(foo_dep); // expected-warning {{'foo_dep' is deprecated}} 64 65 foo_dep *ptr; // expected-warning {{'foo_dep' is deprecated}} 66 ptr = (foo_dep*) p; // expected-warning {{'foo_dep' is deprecated}} 67 68 int func(foo_dep *foo); // expected-warning {{'foo_dep' is deprecated}} 69 return func(ptr); 70} 71 72foo_dep *test9(void) __attribute__((deprecated)); 73foo_dep *test9(void) { 74 void* myalloc(unsigned long); 75 76 foo_dep *ptr 77 = (foo_dep*) 78 myalloc(sizeof(foo_dep)); 79 return ptr; 80} 81 82void test10(void) __attribute__((deprecated)); 83void test10(void) { 84 if (sizeof(foo_dep) == sizeof(void*)) { 85 } 86 foo_dep *localfunc(void); 87 foo_dep localvar; 88} 89 90char test11[sizeof(foo_dep)] __attribute__((deprecated)); 91char test12[sizeof(foo_dep)]; // expected-warning {{'foo_dep' is deprecated}} 92 93int test13(foo_dep *foo) __attribute__((deprecated)); 94int test14(foo_dep *foo); // expected-warning {{'foo_dep' is deprecated}} 95 96unsigned long test15 = sizeof(foo_dep); // expected-warning {{'foo_dep' is deprecated}} 97unsigned long test16 __attribute__((deprecated)) 98 = sizeof(foo_dep); 99 100foo_dep test17, // expected-warning {{'foo_dep' is deprecated}} 101 test18 __attribute__((deprecated)), 102 test19; 103