You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
53 lines
894 B
53 lines
894 B
/*
|
|
* Copyright (c) Facebook, Inc. and its affiliates.
|
|
*
|
|
* This source code is licensed under the MIT license found in the
|
|
* LICENSE file in the root directory of this source tree.
|
|
*/
|
|
|
|
void foo() {
|
|
int* p = 0;
|
|
*p = 42;
|
|
}
|
|
|
|
void local_addr_noalias_ok(int* p) {
|
|
int* q = 0;
|
|
int x = 1;
|
|
if (&x == p) {
|
|
*q = 42;
|
|
}
|
|
}
|
|
|
|
void local_addr_noalias_bad(int* p) {
|
|
int* q = 0;
|
|
int x = 1;
|
|
if (&x != p) {
|
|
*q = 42;
|
|
}
|
|
}
|
|
|
|
static int g = 0;
|
|
void global_addr_alias_bad(int* p) {
|
|
int* q = 0;
|
|
if (&g == p) {
|
|
*q = 42;
|
|
}
|
|
}
|
|
|
|
int bar() {
|
|
/* The division by zero should be found but filtered out by default */
|
|
return 1 / 0;
|
|
}
|
|
|
|
void angelic_treatment_of_funcction_pointers_good(int* (*fun_pointer)()) {
|
|
int* p = fun_pointer();
|
|
*p = 42;
|
|
}
|
|
|
|
void null_dereference_following_function_pointer_call_bad(
|
|
int* (*fun_pointer)()) {
|
|
int* p = fun_pointer();
|
|
p = 0;
|
|
*p = 42;
|
|
}
|