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Examples of errors detected by the V643…

Examples of errors detected by the V643 diagnostic

V643. Suspicious pointer arithmetic. Value of 'char' type is added to a string pointer.


Spring Engine

V643 Unusual pointer arithmetic: ".." + io->getOsSeparator(). The value of the 'char' type is being added to the string pointer. assimp lwsloader.cpp 467


std::string LWSImporter::FindLWOFile(const std::string& in)
{
  ....
  std::string test = ".." + io->getOsSeparator() + tmp;   // <=
  if (io->Exists(test))
    return test;

  test = ".." + io->getOsSeparator() + test;              // <=
  if (io->Exists(test)) {
    return test;
  }
  ....
}

OpenToonz

V643 Unusual pointer arithmetic: "\\" + v[i]. The value of the 'char' type is being added to the string pointer. tstream.cpp 31


string escape(string v)
{
  int i = 0;
  for (;;) {
    i = v.find_first_of("\\\'\"", i);
    if (i == (int)string::npos)
      break;
    string h = "\\" + v[i]; // <=
    v.insert(i, "\\");
    i = i + 2;
  }
  return v;
}

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