| // RUN: %check_clang_tidy %s bugprone-no-escape %t |
| // RUN: %check_clang_tidy %s -assume-filename=bugprone-no-escape.c bugprone-no-escape %t -- -- -fblocks |
| |
| typedef struct dispatch_queue_s *dispatch_queue_t; |
| typedef struct dispatch_time_s *dispatch_time_t; |
| typedef void (^dispatch_block_t)(void); |
| void dispatch_async(dispatch_queue_t queue, dispatch_block_t block); |
| void dispatch_after(dispatch_time_t when, dispatch_queue_t queue, dispatch_block_t block); |
| |
| extern dispatch_queue_t queue; |
| |
| void test_noescape_attribute(__attribute__((noescape)) int *p, int *q) { |
| dispatch_async(queue, ^{ |
| *p = 123; |
| // CHECK-MESSAGES: :[[@LINE-2]]:25: warning: pointer 'p' with attribute 'noescape' is captured by an asynchronously-executed block [bugprone-no-escape] |
| // CHECK-MESSAGES: :[[@LINE-4]]:30: note: the 'noescape' attribute is declared here. |
| }); |
| |
| dispatch_after(456, queue, ^{ |
| *p = 789; |
| // CHECK-MESSAGES: :[[@LINE-2]]:30: warning: pointer 'p' with attribute 'noescape' is captured by an asynchronously-executed block [bugprone-no-escape] |
| }); |
| |
| dispatch_async(queue, ^{ |
| *q = 0; |
| // CHECK-MESSAGES-NOT: :[[@LINE-2]]:25: warning: pointer 'q' with attribute 'noescape' is captured by an asynchronously-executed block |
| }); |
| } |