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V798. The size of the dynamic array can…
Analyzer diagnostics
General Analysis (C++)
General Analysis (C#)
General Analysis (Java)
Diagnosis of micro-optimizations (C++)
Diagnosis of 64-bit errors (Viva64, C++)
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Contents

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

Jun 14 2017

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 };

This diagnostic is classified as:

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