Examples of errors detected by the V640 diagnostic

V640. Code's operational logic does not correspond with its formatting.

XUIFramework

V640 The code's operational logic does not correspond with its formatting. The second statement will always be executed. It is possible that curly brackets are missing. cxstatic.cpp 381


BOOL CxStatic::SetBitmap(....)
{
  ....

  if (! m_pImage->CreateFromHBITMAP(hBitmap) )
    delete m_pImage; m_pImage = NULL;
    return FALSE;

  ....
}

Xpdf

V640 Consider inspecting the application's logic. It is possible that several statements should be braced. active.c 423


static void actlist_splay(actlist_t*a, point_t p1, point_t p2)
{

  ....
  while(1)
  {
    ....
    if(!a->root->rightchild)
      c = 1;break;
    ....
  }
}

ReactOS

V640 The code's operational logic does not correspond with its formatting. The second statement will always be executed. It is possible that curly brackets are missing. stat.c 24


#define stat64_to_stat(buf64, buf)   \
    buf->st_dev   = (buf64)->st_dev;   \
    buf->st_ino   = (buf64)->st_ino;   \
    buf->st_mode  = (buf64)->st_mode;  \
    buf->st_nlink = (buf64)->st_nlink; \
    buf->st_uid   = (buf64)->st_uid;   \
    buf->st_gid   = (buf64)->st_gid;   \
    buf->st_rdev  = (buf64)->st_rdev;  \
    buf->st_size  = (_off_t)(buf64)->st_size;  \
    buf->st_atime = (time_t)(buf64)->st_atime; \
    buf->st_mtime = (time_t)(buf64)->st_mtime; \
    buf->st_ctime = (time_t)(buf64)->st_ctime; \

int CDECL _tstat(const _TCHAR* path, struct _stat * buf)
{
  int ret;
  struct __stat64 buf64;

  ret = _tstat64(path, &buf64);
  if (!ret)
    stat64_to_stat(&buf64, buf);
  return ret;
}

Similar errors can be found in some other places:

V640 The code's operational logic does not correspond with its formatting. The second statement will always be executed. It is possible that curly brackets are missing. stat.c 35
V640 The code's operational logic does not correspond with its formatting. The second statement will always be executed. It is possible that curly brackets are missing. stat.c 47
V640 The code's operational logic does not correspond with its formatting. The second statement will always be executed. It is possible that curly brackets are missing. stat.c 58

Windows 8 Driver Samples

V640 The code's operational logic does not correspond with its formatting. The second statement will always be executed. It is possible that curly brackets are missing. st_scan.c 564


#define MP_FREE_MEMORY(_Memory) \
  MpFreeMemory(_Memory); _Memory = NULL;

NDIS_STATUS
StaStartScan(....)
{
  ....
  if (pExternalScanRequest != NULL)
    MP_FREE_MEMORY(pExternalScanRequest);
  ....
}

Similar errors can be found in some other places:

V640 The code's operational logic does not correspond with its formatting. The second statement will always be executed. It is possible that curly brackets are missing. base_port_send.c 642
V640 The code's operational logic does not correspond with its formatting. The second statement will always be executed. It is possible that curly brackets are missing. hw_context.c 1579
V640 The code's operational logic does not correspond with its formatting. The second statement will always be executed. It is possible that curly brackets are missing. hw_mac.c 1169
And 4 additional diagnostic messages.

Chromium

V640 The code's operational logic does not correspond with its formatting. The statement is indented to the right, but it is always executed. It is possible that curly brackets are missing. trace_event_unittest.cc 57


void OnTraceNotification(int notification) {
  if (notification & TraceLog::EVENT_WATCH_NOTIFICATION)
    ++event_watch_notification_;
    notifications_received_ |= notification;
}

Chromium


static int memio_buffer_put(....)
{
  ....
  if (len > 0) {
    memcpy(&mb->buf[mb->tail], buf, len);
    mb->tail += len;
    if (mb->tail == mb->bufsize)
       mb->tail = 0;
       transferred += len;
  }
  ....
}

Similar errors can be found in some other places:

V640 The code's operational logic does not correspond with its formatting. The statement is indented to the right, but it is always executed. It is possible that curly brackets are missing. nss_memio.c 184

EA WebKit


void FrameView::adjustMediaTypeForPrinting(bool printing)
{
  ....
  if (printing) {
    if (m_mediaTypeWhenNotPrinting.isNull())
      m_mediaTypeWhenNotPrinting = mediaType();
      setMediaType("print");
  } else {
  ....
}

Geant4 software


void
G4JpegCoder::ForwardDCT(int* picData)
{
  for( int v=0; v<8; v++ ){
    double cv = v ? 1.0 : DisSqrt2;
    for( int u=0; u<8; u++ ){
      double cu = u ? 1.0 : DisSqrt2;
      double sum = 0;

      for( int y=0; y<8; y++ )
        for( int x=0; x<8; x++ )
          sum += picData[ y * 8 + x ] *
                 mCosT[u][x] * mCosT[v][y];
          mDCTData[ v * 8 + u ] = int( sum * cu * cv / 4 );
        }
    }
}

FFmpeg


static void vc1_interp_mc(VC1Context *v)
{
  ....
  if (v->field_mode) {
      if (v->cur_field_type != v->ref_field_type[1])
          my   = my   - 2 + 4 * v->cur_field_type;
          uvmy = uvmy - 2 + 4 * v->cur_field_type;
  }
  ....
}

Oracle VM Virtual Box


STDMETHODIMP SessionMachine::EndTakingSnapshot(BOOL aSuccess)
{
  ....
  if (fOnline)
    //no need to test for whether the saved state file is shared:
    //an online snapshot means that a new saved state file was
    //created, which we must clean up now
    RTFileDelete(mConsoleTaskData.mSnapshot->....);
    machineLock.acquire();                  // <=

  mConsoleTaskData.mSnapshot->uninit();
  machineLock.release();
  ....
}

Oracle VM Virtual Box

V640 The code's operational logic does not correspond with its formatting. The second statement will always be executed. It is possible that curly brackets are missing. vboxguestr3libdraganddrop.cpp 656


static int vbglR3DnDGHProcessRequestPendingMessage(....)
{
  ....
  rc = Msg.hdr.result;
  if (RT_SUCCESS(rc))
    rc = Msg.uScreenId.GetUInt32(puScreenId); AssertRC(rc); // <=
  ....
}

Miranda NG

V640 The code's operational logic does not correspond with its formatting. The second statement will always be executed. It is possible that curly brackets are missing. TabSRMM infopanel.cpp 370


void CInfoPanel::renderContent(const HDC hdc)
{
  ....
  if (m_height >= DEGRADE_THRESHOLD)
    rc.top -= 2; rc.bottom -= 2;
  ....
}

Similar errors can be found in some other places:

V640 The code's operational logic does not correspond with its formatting. The second statement will always be executed. It is possible that curly brackets are missing. MSN msn_p2p.cpp 385
V640 The code's operational logic does not correspond with its formatting. The second statement will always be executed. It is possible that curly brackets are missing. SecureIM crypt_lists.cpp 13
V640 The code's operational logic does not correspond with its formatting. The second statement will always be executed. It is possible that curly brackets are missing. SecureIM crypt_lists.cpp 44
And 2 additional diagnostic messages.

Spring Engine

V640 The code's operational logic does not correspond with its formatting. The second statement will always be executed. It is possible that curly brackets are missing. sound oggstream.cpp 256


bool COggStream::UpdateBuffers()
{
  ....
  active = DecodeStream(buffer);
  if (active)
    alSourceQueueBuffers(source, 1, &buffer); CheckError("....");
  ....
}

Spring Engine


void AAIBrain::BuildUnitOfMovementType(....)
{
  ....
  if(ai->Getbt()->units_static[unit].cost < ....)
  {
    if(ai->Getexecute()->AddUnitToBuildqueue(unit, 3, urgent))
    {
      ai->Getbt()->units_dynamic[unit].requested += 3;
      ai->Getut()->UnitRequested(....);
    }
  }
  else if(ai->Getbt()->units_static[unit].cost < ....)
  {
    if(ai->Getexecute()->AddUnitToBuildqueue(unit, 2, urgent))
      ai->Getbt()->units_dynamic[unit].requested += 2;
      ai->Getut()->UnitRequested(....);
  }
  else
  {
    if(ai->Getexecute()->AddUnitToBuildqueue(unit, 1, urgent))
      ai->Getbt()->units_dynamic[unit].requested += 1;
      ai->Getut()->UnitRequested(....);
  }
  ....
}

Haiku Operation System

V640 The code's operational logic does not correspond with its formatting. The second statement will always be executed. It is possible that curly brackets are missing. strftime.c 1263


#define DO_NUMBER(d, v) \
    digits = width == -1 ? d : width; \
    number_value = v; goto do_number

size_t
my_strftime (s, maxsize, format, tp extra_args)
{
  ....
  if (modifier == L_('O'))
    goto bad_format;
  else
    DO_NUMBER (1, tp->tm_year + TM_YEAR_BASE);
  ....
}

Similar errors can be found in some other places:

V640 The code's operational logic does not correspond with its formatting. The second statement will always be executed. It is possible that curly brackets are missing. strftime.c 1267

CryEngine V

V640 The code's operational logic does not correspond with its formatting. The second statement will always be executed. It is possible that curly brackets are missing. livingentity.cpp 181


CLivingEntity::~CLivingEntity()
{
  for(int i=0;i<m_nParts;i++) {
    if (!m_parts[i].pPhysGeom || ....)
      delete[] m_parts[i].pMatMapping; m_parts[i].pMatMapping=0;
  }
  ....
}

Similar errors can be found in some other places:

V640 The code's operational logic does not correspond with its formatting. The second statement will always be executed. It is possible that curly brackets are missing. physicalworld.cpp 2449
V640 The code's operational logic does not correspond with its formatting. The second statement will always be executed. It is possible that curly brackets are missing. articulatedentity.cpp 1723
V640 The code's operational logic does not correspond with its formatting. The second statement will always be executed. It is possible that curly brackets are missing. articulatedentity.cpp 1726

CMaNGOS


void
instance_blackrock_depths::OnCreatureCreate(Creature* pCreature)
{
  switch (pCreature->GetEntry())
  {
    ....
    case NPC_HAMMERED_PATRON:
      ....
      if (m_auiEncounter[11] == DONE)
        pCreature->SetFactionTemporary(....);
        pCreature->SetStandState(UNIT_STAND_STATE_STAND); // <=
      break;
    case NPC_PRIVATE_ROCKNOT:
    case NPC_MISTRESS_NAGMARA:
    ....
  }
}

GCC

V640 The code's operational logic does not correspond with its formatting. The second statement will always be executed. It is possible that curly brackets are missing. asan.c 2582


void initialize_sanitizer_builtins (void)
{
  ....
  #define DEF_SANITIZER_BUILTIN(ENUM, NAME, TYPE, ATTRS) \
  decl = add_builtin_function ("__builtin_" NAME, TYPE, ENUM, \
             BUILT_IN_NORMAL, NAME, NULL_TREE);  \
  set_call_expr_flags (decl, ATTRS);          \
  set_builtin_decl (ENUM, decl, true);

  #include "sanitizer.def"

  if ((flag_sanitize & SANITIZE_OBJECT_SIZE)
      && !builtin_decl_implicit_p (BUILT_IN_OBJECT_SIZE))
    DEF_SANITIZER_BUILTIN (BUILT_IN_OBJECT_SIZE, "object_size",
         BT_FN_SIZE_CONST_PTR_INT,
         ATTR_PURE_NOTHROW_LEAF_LIST)
  ....
}

FreeBSD Kernel


static int
smbfs_getattr(ap)
struct vop_getattr_args *ap;
{
  ....
  if (np->n_flag & NOPEN)
    np->n_size = oldsize;
    smbfs_free_scred(scred);
  return 0;
}

Similar errors can be found in some other places:

V640 The code's operational logic does not correspond with its formatting. The statement is indented to the right, but it is always executed. It is possible that curly brackets are missing. ctl.c 8569
V640 The code's operational logic does not correspond with its formatting. The statement is indented to the right, but it is always executed. It is possible that curly brackets are missing. ieee80211_ioctl.c 2019
V640 The code's operational logic does not correspond with its formatting. The statement is indented to the right, but it is always executed. It is possible that curly brackets are missing. in_mcast.c 1063
And 1 additional diagnostic messages.

Augeas


static int run_args(int argc, char **argv) {
  ....
  if (code >= 0 && auto_save)
      if (echo_commands)                            // <=
          printf("%ssave\n", AUGTOOL_PROMPT);       // <=
      code = run_command("save");                   // <=

  if (code < 0) {
      code = -1;
      print_aug_error();
  }
  ....
}

Tizen

V640 The code's operational logic does not correspond with its formatting. The second statement will always be executed. It is possible that curly brackets are missing. media_codec_port_gst.c 1800


#define MC_FREEIF(x) \
  if (x) \
    g_free(x); \
  x = NULL;

static gboolean __mc_gst_init_gstreamer()
{
  ....
  int i = 0;
  ....
  for (i = 0; i < arg_count; i++)
    MC_FREEIF(argv2[i]);
  ....
}

Tizen


int bt_tds_provider_send_activation_resp(char *address,
  int result, bt_tds_provider_h provider)
{
  ....
  if (error_code != BT_ERROR_NONE)
    BT_ERR("%s(0x%08x)", ......);
    return error_code;

  return error_code;
}

Android

V640 CWE-483 The code's operational logic does not correspond with its formatting. The second statement will always be executed. It is possible that curly brackets are missing. k_rem_pio2.c 314


int
__kernel_rem_pio2(double *x, double *y, int e0, int nx, int prec)
{
  ....
  for (i=0;i<=jk;i++) {
    for(j=0,fw=0.0;j<=jx;j++) fw += x[j]*f[jx+i-j]; q[i] = fw;
  }
  ....
}

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Examples of errors detected by the V640 diagnostic

XUIFramework

Xpdf

ReactOS

Windows 8 Driver Samples

Chromium

Chromium

EA WebKit

Geant4 software

FFmpeg

Oracle VM Virtual Box

Oracle VM Virtual Box

Miranda NG

Spring Engine

Spring Engine

Haiku Operation System

CryEngine V

CMaNGOS

GCC

FreeBSD Kernel

Augeas

Tizen

Tizen

Android

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