V798. The size of the dynamic array can be less than the number of elements in the initializer.


The analyzer detected a potential error, caused by the fact that the size of the dynamic array may be less than the number of elements in its initializer. In this case, upon the creation of an array, depending on the type of the 'new' operator, an exception 'std::bad_array_new_length' will be thrown, or a null pointer returned.

Consider an example:

int n = 2;
...
int* arr = new int[n] { 1, 2, 3 };

The value of the 'n' variable is less than the number of elements in the initializer. The correct code should be:

int n = 3;
...
int* arr = new int[n] { 1, 2, 3 };

According to Common Weakness Enumeration, potential errors found by using this diagnostic are classified as CWE-789.


Bugs Found

Checked Projects
355
Collected Errors
13 303