text-diagnostics.c revision 5fba5a789a238c29ef811a39a39be722443ec1b1
1// RUN: %clang --analyze -Xanalyzer -analyzer-output=text -fno-caret-diagnostics %s 2>&1 | FileCheck %s
2
3void 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
12void 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