xref: /aosp_15_r20/external/clang/test/Analysis/test-include.c (revision 67e74705e28f6214e480b399dd47ea732279e315) 
1*67e74705SXin Li // RUN: %clang_cc1 -analyze -analyzer-checker=core -verify %s
2*67e74705SXin Li 
3*67e74705SXin Li #include "test-include.h"
4*67e74705SXin Li #define DIVYX(X,Y) Y/X
5*67e74705SXin Li 
test_01(int * data)6*67e74705SXin Li void test_01(int *data) {
7*67e74705SXin Li   data = 0;
8*67e74705SXin Li   *data = 1; // expected-warning{{Dereference of null pointer}}
9*67e74705SXin Li }
10*67e74705SXin Li 
test_02()11*67e74705SXin Li int test_02() {
12*67e74705SXin Li   int res = DIVXY(1,0); // expected-warning{{Division by zero}}
13*67e74705SXin Li                         // expected-warning@-1{{division by zero is undefined}}
14*67e74705SXin Li   return res;
15*67e74705SXin Li }
16*67e74705SXin Li 
test_03()17*67e74705SXin Li int test_03() {
18*67e74705SXin Li   int res = DIVYX(0,1); // expected-warning{{Division by zero}}
19*67e74705SXin Li                         // expected-warning@-1{{division by zero is undefined}}
20*67e74705SXin Li   return res;
21*67e74705SXin Li }