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.
58 lines
1.2 KiB
58 lines
1.2 KiB
8 years ago
|
/*
|
||
|
|
* Copyright (c) 2017 - present Facebook, Inc.
|
||
|
|
* 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.
|
||
|
|
*/
|
||
|
|
|
||
|
|
void modulo_signed_Bad(int i) {
|
||
|
|
char arr[5];
|
||
|
|
arr[i % 5] = 123;
|
||
|
|
}
|
||
|
|
|
||
|
|
void modulo_signed_Good_FP(int i) {
|
||
|
|
char arr[5];
|
||
|
|
if (i >= 0) {
|
||
|
|
arr[i % 5] = 123;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void modulo_signed_Good2_FP(int i) {
|
||
|
|
char arr[5];
|
||
|
|
int j = i % 5;
|
||
|
|
if (j >= 0) {
|
||
|
|
arr[j] = 123;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void modulo_unsigned_Good_FP(unsigned int i) {
|
||
|
|
char arr[5];
|
||
|
|
arr[i % 5] = 123;
|
||
|
|
}
|
||
|
|
|
||
|
|
void modulo_signed_var_Bad_FN(unsigned int len, int i) {
|
||
|
|
char arr[len];
|
||
|
|
arr[i % len] = 123;
|
||
|
|
}
|
||
|
|
|
||
|
|
void modulo_unsigned_var_Good(unsigned int len, unsigned int i) {
|
||
|
|
char arr[len];
|
||
|
|
arr[i % len] = 123;
|
||
|
|
}
|
||
|
|
|
||
|
|
unsigned int modulo_unsigned(unsigned int a, unsigned int b) { return a % b; }
|
||
|
|
|
||
|
|
void modulo_call_Good(unsigned int len, unsigned int i) {
|
||
|
|
char arr[len];
|
||
|
|
arr[modulo_unsigned(i, len)] = 123;
|
||
|
|
}
|
||
|
|
|
||
|
|
int modulo_signed(int a, int b) { return a % b; }
|
||
|
|
|
||
|
|
void modulo_call_Bad_FN(unsigned int len, int i) {
|
||
|
|
char arr[len];
|
||
|
|
arr[modulo_signed(i, len)] = 123;
|
||
|
|
}
|