reference, declaration → definition definition → references, declarations, derived classes, virtual overrides reference to multiple definitions → definitions unreferenced |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 | // RUN: %clang_analyze_cc1 -analyzer-checker=core.NullDereference -analyzer-output=text -fno-caret-diagnostics %s 2>&1 | FileCheck %s void testA() { int *p = 0; *p = 1; // CHECK-LABEL: text-diagnostics.c:{{.*}}:6: warning: Dereference of null pointer (loaded from variable 'p') // CHECK-NEXT: text-diagnostics.c:[[@LINE-4]]:3: note: 'p' initialized to a null pointer value // CHECK-NEXT: text-diagnostics.c:[[@LINE-4]]:6: note: Dereference of null pointer (loaded from variable 'p') } void testB(int *q) { if (q) return; *q = 1; // CHECK-LABEL: text-diagnostics.c:{{.*}}:6: warning: Dereference of null pointer (loaded from variable 'q') // CHECK-NEXT: text-diagnostics.c:[[@LINE-5]]:7: note: Assuming 'q' is null // CHECK-NEXT: text-diagnostics.c:[[@LINE-6]]:3: note: Taking false branch // CHECK-NEXT: text-diagnostics.c:[[@LINE-5]]:6: note: Dereference of null pointer (loaded from variable 'q') } |