Which of the following functions DOES NOT have a memory leak? Select one: void func(string word) { int* ptr = new int[2]; ptr[0] = word.size(); delete ptr; } void func(string word) { int* ptr = new int; *ptr = word.size(); } void func(string word) { int* ptr = NULL; int len = word.size(); ptr = &len; cout << "Length of " << word << " is " << *len << endl; }
Which of the following functions DOES NOT have a memory leak? Select one: void func(string word) { int* ptr = new int[2]; ptr[0] = word.size(); delete ptr; } void func(string word) { int* ptr = new int; *ptr = word.size(); } void func(string word) { int* ptr = NULL; int len = word.size(); ptr = &len; cout << "Length of " << word << " is " << *len << endl; }
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Question
Which of the following functions DOES NOT have a memory leak?
Select one:
void func(string word) { int* ptr = new int[2]; ptr[0] = word.size(); delete ptr; }
void func(string word) { int* ptr = new int; *ptr = word.size(); }
void func(string word) { int* ptr = NULL; int len = word.size(); ptr = &len; cout << "Length of " << word << " is " << *len << endl; }
Expert Solution
Step 1
When programmers use the new keyword to acquire memory but fail to deallocate it using the delete() or delete[] operators, there is a memory leak.
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