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Examples of errors detected by the V104…

Examples of errors detected by the V1048 diagnostic

V1048. Variable 'foo' was assigned the same value.


ORCT2

V1048 [CWE-1164] The 'ColumnHeaderPressedCurrentState' variable was assigned the same value. libopenrct2ui CustomListView.cpp 510


void CustomListView::MouseUp(....)
{
  ....
  if (!ColumnHeaderPressedCurrentState)
  {
    ColumnHeaderPressed = std::nullopt;
    ColumnHeaderPressedCurrentState = false;
    Invalidate();
  }
}

Qt

V1048 [CWE-1164] The 'm_next[0][0]' variable was assigned the same value. qpathclipper_p.h 301


class QPathEdge
{
  ....
private:
  int m_next[2][2];
  ....
};

inline QPathEdge::QPathEdge(int a, int b)
    : flag(0)
    , windingA(0)
    , windingB(0)
    , first(a)
    , second(b)
    , angle(0)
    , invAngle(0)
{
    m_next[0][0] = -1;
    m_next[1][0] = -1;
    m_next[0][0] = -1;
    m_next[1][0] = -1;
}

Similar errors can be found in some other places:

  • V1048 [CWE-1164] The 'm_next[1][0]' variable was assigned the same value. qpathclipper_p.h 302

Snort

V1048 The 'ret' variable was assigned the same value. sf_snort_plugin_loop.c 142 V1048 The 'ret' variable was assigned the same value. sf_snort_plugin_loop.c 148


int LoopInfoInitialize(...., Rule *rule, LoopInfo *loopInfo)
{
  int ret;

  /* Initialize the dynamic start, end, increment fields */
  ret = DynamicElementInitialize(rule, loopInfo->start);
  if (ret)
  {
    return ret;
  }

  ret = DynamicElementInitialize(rule, loopInfo->end);
  if (ret)
  {
    return ret;
  }

  ret = DynamicElementInitialize(rule, loopInfo->increment);
  if (ret)
  {
    return ret;
  }
  ....
}

libtorrent

V1048 The 'st.total_wanted' variable was assigned the same value. torrent.cpp 3784


void torrent::bytes_done(torrent_status& st, status_flags_t const flags) const
{
  ....
  st.total_done = 0;
  st.total_wanted_done = 0;
  st.total_wanted = m_size_on_disk;
  ....
  if (m_seed_mode || is_seed())
  {
    st.total_done = m_torrent_file->total_size() - m_padding_bytes;
    st.total_wanted_done = m_size_on_disk;
    st.total_wanted = m_size_on_disk;
    ....
    return;
  }
  else if (!has_picker())
  {
    st.total_done = 0;
    st.total_wanted_done = 0;
    st.total_wanted = m_size_on_disk;
    return;
  }
  ....
}

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