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70 lines
1.4 KiB
70 lines
1.4 KiB
/*
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* Copyright (c) 2017 - present Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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void modulo_signed_Bad(int i) {
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char arr[5];
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arr[i % 5] = 123;
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}
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void modulo_signed_Good(int i) {
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char arr[5];
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if (i >= 0) {
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arr[i % 5] = 123;
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}
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}
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void modulo_signed_neg_Bad(int i) {
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char arr[5];
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arr[i % -5] = 123;
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}
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void modulo_signed_neg_Good(int i) {
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char arr[5];
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if (i >= 0) {
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arr[i % -5] = 123;
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}
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}
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void modulo_signed_Good2(int i) {
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char arr[5];
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int j = i % 5;
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if (j >= 0) {
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arr[j] = 123;
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}
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}
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void modulo_unsigned_Good_FP(unsigned int i) {
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char arr[5];
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arr[i % 5] = 123;
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}
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void modulo_signed_var_Bad_FN(unsigned int len, int i) {
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char arr[len];
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arr[i % len] = 123;
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}
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void modulo_unsigned_var_Good(unsigned int len, unsigned int i) {
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char arr[len];
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arr[i % len] = 123;
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}
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unsigned int modulo_unsigned(unsigned int a, unsigned int b) { return a % b; }
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void modulo_call_Good(unsigned int len, unsigned int i) {
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char arr[len];
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arr[modulo_unsigned(i, len)] = 123;
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}
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int modulo_signed(int a, int b) { return a % b; }
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void modulo_call_Bad_FN(unsigned int len, int i) {
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char arr[len];
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arr[modulo_signed(i, len)] = 123;
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}
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