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81 lines
1.3 KiB
81 lines
1.3 KiB
/*
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* Copyright (c) 2016-present, Programming Research Laboratory (ROPAS)
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* Seoul National University, Korea
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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void nested_loop() {
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int i, j;
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char a[10];
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for (i = 0; i < 10; i++) {
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a[i] = 'a'; /* SAFE */
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for (j = 0; j <= 10; j++) {
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a[j] = 'a'; /* BUG */
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}
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}
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}
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void nested_loop2_Ok() {
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double arr[10];
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int i, j;
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for (i = 0; i < 10; i++) {
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for (j = 5; j < 15; j++) {
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arr[i] = 0.0;
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arr[j - 5] = 0.0;
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}
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}
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}
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void nested_loop3_Bad() {
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double arr[10];
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int i, j;
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for (i = 0; i <= 10; i++) {
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for (j = 5; j < 15; j++) {
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arr[i] = 0.0;
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}
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}
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}
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void nested_loop4_Bad() {
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double arr[10];
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int i, j;
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for (i = 0; i < 10; i++) {
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for (j = 5; j <= 15; j++) {
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arr[j - 5] = 0.0;
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}
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}
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}
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void nested_loop_narrowing_Good() {
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int i = 0;
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int a[10];
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while (1) {
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while (1) {
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a[i] = 0;
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for (i = 0; i < 5; i++) {
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}
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}
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}
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}
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void nested_loop_narrowing_Bad() {
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int i = 0;
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int a[10];
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while (1) {
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while (1) {
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a[i] = 0;
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for (i = 0; i < 10; i++) {
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}
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}
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}
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}
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