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Examples of errors detected by the V541…

Examples of errors detected by the V541 diagnostic

V541. String is printed into itself. Consider inspecting the expression.


PCSX2

V541 It is dangerous to print the string 'fileData' into itself. pcsx2 patchbrowser.cpp 211


void ListPatches (HWND hW) {
  ....
  while((tmpi=fgetc(fp)) != EOF)
    sprintf(fileData,"%s%c",fileData,tmpi);
  ....
  sprintf(tmpStr,"%s (%s)",tmpStr,FindData.cFileName);
  ....
}

The code might work, but this is a dangerous game.

Similar errors can be found in some other places:

  • V541 It is dangerous to print the string 'tmpStr' into itself. pcsx2 patchbrowser.cpp 239

CAMEL

V541 It is dangerous to print the string 'szOperatingSystem' into itself. stickies camel.cpp 572


char * OSDetection ()
{
  ....
  sprintf (szOperatingSystem, "%sversion %d.%d %s (Build %d)",
           szOperatingSystem,
           osvi.dwMajorVersion,
           osvi.dwMinorVersion,
           osvi.szCSDVersion,
           osvi.dwBuildNumber & 0xFFFF);
  ....
  sprintf (szOperatingSystem, "%s%s(Build %d)",
           szOperatingSystem, osvi.szCSDVersion,
           osvi.dwBuildNumber & 0xFFFF);
  ....
}

The code might work, but this is a dangerous game.

Similar errors can be found in some other places:

  • V541 It is dangerous to print the string 'szOperatingSystem' into itself. stickies camel.cpp 603

Mozilla Firefox

V541 It is dangerous to print the string 'newhost' into itself. ssltunnel.cpp 531


bool AdjustWebSocketHost(relayBuffer& buffer,
                         connection_info_t *ci)
{
  ....
  sprintf(newhost, "%s:%d", newhost,
          PR_ntohs(inet_addr.inet.port));
  ....
}

The code might work, but this is a dangerous game.


UCSniff

V541 It is dangerous to print the string 'dst' into itself. vc_format.c 177


int hex_format(...., u_char *dst)
{
  ....
  sprintf(dst, "%s %04x: ", dst, i );
  ....
}

The code might work, but this is a dangerous game.

Similar errors can be found in some other places:

  • V541 It is dangerous to print the string 'dst' into itself. vc_format.c 183
  • V541 It is dangerous to print the string 'dst' into itself. vc_format.c 185
  • V541 It is dangerous to print the string 'dst' into itself. vc_format.c 200

TinyCAD

V541 It is dangerous to print the string 'csText' into itself. childfrm.cpp 79


void CChildFrame::OnUpdateFrameTitle(BOOL bAddToTitle)
{
  ....
  CString csText;
  ....
  if (m_nWindow > 0)
    csText.Format(_T("%s: %d"), csText, m_nWindow);
  ....
}

Scilab

V541 It is dangerous to print the string 'lines' into itself. sci_toprint.cpp 314


static int sci_toprint_two_rhs(void* _pvCtx,
                               const char *fname)
{
  ....
  sprintf(lines, "%s%s\n", lines, pStVarOne[i]);
  ....
}

Similar errors can be found in some other places:

  • V541 It is dangerous to print the string 'coserr.buf' into itself. sci_coserror.c 94

FreeBSD Kernel

V541 It is dangerous to print the string 'buffer' into itself. ata-highpoint.c 102


static int
ata_highpoint_probe(device_t dev)
{
  ....
  char buffer[64];
  ....
  strcpy(buffer, "HighPoint ");
  strcat(buffer, idx->text);
  if (idx->cfg1 == HPT_374) {
  if (pci_get_function(dev) == 0)
      strcat(buffer, " (channel 0+1)");
  if (pci_get_function(dev) == 1)
      strcat(buffer, " (channel 2+3)");
  }
  sprintf(buffer, "%s %s controller",
    buffer, ata_mode2str(idx->max_dma));
  ....
}

Similar errors can be found in some other places:

  • V541 It is dangerous to print the string 'buffer' into itself. ata-promise.c 208

Serious Engine 1 v.1.10

V541 It is dangerous to print the string 'achrDefaultScript' into itself. dlgcreateanimatedtexture.cpp 359


BOOL CDlgCreateAnimatedTexture::OnInitDialog()
{
  ....
  // allocate 16k for script
  char achrDefaultScript[ 16384];
  // default script into edit control
  sprintf( achrDefaultScript, ....); // <=
  ....
  // add finishing part of script
  sprintf( achrDefaultScript,        // <=
           "%sANIM_END\r\nEND\r\n",  // <=
           achrDefaultScript);       // <=
  ....
}

Ardour

V541 It is dangerous to print the 'buf' string into itself. luawindow.cc 490


void
LuaWindow::save_script ()
{
  ....
  do {
    char buf[80];
    time_t t = time(0);
    struct tm * timeinfo = localtime (&t);
    strftime (buf, sizeof(buf), "%s%d", timeinfo);
    sprintf (buf, "%s%ld", buf, random ());
  ....
}

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