Examples of errors detected by the V734 diagnostic

V734. Excessive expression. Examine the substrings "abc" and "abcd".

OrcaSlicer

V734 An excessive expression. Examine the substrings "plus" and "xplus". QidiPrinterAgent.cpp 375

std::string QidiPrinterAgent::infer_series_id
  (const std::string& model_id, const std::string& dev_name)
{
  // ....
  if (   (   key.find("xplus") != std::string::npos
          || key.find("plus") != std::string::npos)
      && key.find("4") != std::string::npos)
  {
    return "0";
  }

  return "";
}

Linux Kernel

V734 An excessive check. Examine the conditions containing search for the substrings "interleaver" and "deinterleaver". sst-atom-controls.c 1449

static int sst_fill_widget_module_info(
  struct snd_soc_dapm_widget *w,
  struct snd_soc_platform *platform)
{
  struct snd_kcontrol *kctl;
  int index, ret = 0;
  struct snd_card *card = platform->component.card->snd_card;
  char *idx;

  down_read(&card->controls_rwsem);

  list_for_each_entry(kctl, &card->controls, list) {
    ....

    } else if (strstr(kctl->id.name, "interleaver")) {
      struct sst_enum *e = (void *)kctl->private_value;

      e->w = w;

    } else if (strstr(kctl->id.name, "deinterleaver")) {
      struct sst_enum *e = (void *)kctl->private_value;

      e->w = w;
    }

    ....
  }

  up_read(&card->controls_rwsem);
  return 0;
}

CryEngine V

V734 An excessive expression. Examine the substrings "_ddn" and "_ddna". texture.cpp 4212

void CTexture::PrepareLowResSystemCopy(byte* pTexData, ....)
{
  ....
  // make sure we skip non diffuse textures
  if (strstr(GetName(), "_ddn")              // <=
      || strstr(GetName(), "_ddna")          // <=
      || strstr(GetName(), "_mask")
      || strstr(GetName(), "_spec.")
      || strstr(GetName(), "_gloss")
      || strstr(GetName(), "_displ")
      || strstr(GetName(), "characters")
      || strstr(GetName(), "$")
      )
    return;
  ....
}