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.
45 lines
867 B
45 lines
867 B
/*
|
|
* Copyright (c) 2016 - present
|
|
*
|
|
* Programming Research Laboratory (ROPAS)
|
|
* Seoul National University, Korea
|
|
* All rights reserved.
|
|
*
|
|
* This source code is licensed under the BSD style license found in the
|
|
* LICENSE file in the root directory of this source tree. An additional grant
|
|
* of patent rights can be found in the PATENTS file in the same directory.
|
|
*/
|
|
|
|
#include <stdlib.h>
|
|
|
|
void arr_access(int* arr, char* p, int i) {
|
|
int x = arr[0];
|
|
arr[x] = 1; /* BUG */
|
|
*(p + i) = 'a'; /* BUG */
|
|
}
|
|
|
|
void function_call() {
|
|
int arr[10];
|
|
arr[0] = 100;
|
|
char* p = malloc(10);
|
|
arr_access(arr, p, 20);
|
|
}
|
|
|
|
void ptr_set_to_zero(int* x) {
|
|
*x = 0;
|
|
}
|
|
|
|
void call_by_ptr_good_FP() {
|
|
int arr[10];
|
|
int i = 99;
|
|
ptr_set_to_zero(&i);
|
|
arr[i] = 123;
|
|
}
|
|
|
|
void call_by_ptr_bad_FN() {
|
|
int arr[10];
|
|
int i = 5;
|
|
ptr_set_to_zero(&i);
|
|
arr[i - 1] = 123;
|
|
}
|