1 // RUN: %clang --analyze -Xanalyzer -analyzer-output=text -fno-caret-diagnostics %s 2>&1 | FileCheck %s
2
testA()3 void testA() {
4 int *p = 0;
5 *p = 1;
6
7 // CHECK-LABEL: text-diagnostics.c:{{.*}}:6: warning: Dereference of null pointer (loaded from variable 'p')
8 // CHECK-NEXT: text-diagnostics.c:[[@LINE-4]]:3: note: 'p' initialized to a null pointer value
9 // CHECK-NEXT: text-diagnostics.c:[[@LINE-4]]:6: note: Dereference of null pointer (loaded from variable 'p')
10 }
11
testB(int * q)12 void testB(int *q) {
13 if (q)
14 return;
15 *q = 1;
16
17 // CHECK-LABEL: text-diagnostics.c:{{.*}}:6: warning: Dereference of null pointer (loaded from variable 'q')
18 // CHECK-NEXT: text-diagnostics.c:[[@LINE-5]]:7: note: Assuming 'q' is null
19 // CHECK-NEXT: text-diagnostics.c:[[@LINE-6]]:3: note: Taking false branch
20 // CHECK-NEXT: text-diagnostics.c:[[@LINE-5]]:6: note: Dereference of null pointer (loaded from variable 'q')
21 }
22