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Examples of errors detected by the V772…

Examples of errors detected by the V772 diagnostic

V772. Calling the 'delete' operator for a void pointer will cause undefined behavior.


Haiku Operation System

V772 Calling a 'delete' operator for a void pointer will cause undefined behavior. Hashtable.cpp 207


void
Hashtable::MakeEmpty(int8 keyMode,int8 valueMode)
{
  ....
  for (entry = fTable[index]; entry; entry = next) {
    switch (keyMode) {
      case HASH_EMPTY_DELETE:
        // TODO: destructors are not called!
        delete (void*)entry->key;
        break;
      case HASH_EMPTY_FREE:
        free((void*)entry->key);
        break;
    }
    switch (valueMode) {
      case HASH_EMPTY_DELETE:
        // TODO: destructors are not called!
        delete entry->value;
        break;
      case HASH_EMPTY_FREE:
        free(entry->value);
        break;
    }
    next = entry->next;
    delete entry;
  }
  ....
}

Command & Conquer

V772 Calling a 'delete' operator for a void pointer will cause undefined behavior. ENDING.CPP 254


void GDI_Ending(void)
{
  ....
  void * localpal = Load_Alloc_Data(CCFileClass("SATSEL.PAL"));
  ....
  delete [] localpal;
  ....
}

Similar errors can be found in some other places:

  • V772 Calling a 'delete' operator for a void pointer will cause undefined behavior. HEAP.CPP 284
  • V772 Calling a 'delete' operator for a void pointer will cause undefined behavior. INIT.CPP 728
  • V772 Calling a 'delete' operator for a void pointer will cause undefined behavior. MIXFILE.CPP 134
  • And 18 additional diagnostic messages.

Overgrowth

V772 [CERT-MSC15-C] Calling a 'delete' operator for a void pointer will cause undefined behavior. OVR_CAPI_Util.cpp 380


typedef struct ovrHapticsClip_
{
  const void* Samples;
  ....
} ovrHapticsClip;
....

OVR_PUBLIC_FUNCTION(void) ovr_ReleaseHapticsClip(ovrHapticsClip* hapticsClip)
{
  if (hapticsClip != NULL && hapticsClip->Samples != NULL)
  {
    delete[] hapticsClip->Samples;
  ....
  }
}

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