Null Dereference

Last modified: 03 December 2024

Reports dereferences of the pointers that may contain nullptr.

Example:

using namespace std;
void process(string *a, string b) {
  if (a != nullptr || a->length()) {
    a = &b;
  }
}

Locating this inspection

By ID

Can be used to locate inspection in e.g. Qodana configuration files, where you can quickly enable or disable it, or adjust its settings.

NullDereference
Via Settings dialog

Path to the inspection settings via IntelliJ Platform IDE Settings dialog, when you need to adjust inspection settings directly from your IDE.

Settings or Preferences | Editor | Inspections | C/C++ | Data Flow Analysis

Inspection Details

By default bundled with:

CLion 2024.3,

Can be installed with plugin:

CLion, 2024.3