message: check size of bob filename we're formatting
diff: @@ -545,7 +545,9 @@ namespace ospray {
  FILE *file = NULL;
  if (useGZip) {
  #ifndef _WIN32
  - std::sprintf(bobName, "d_%04d_%04li.gz", timeStep, blockID);
  + if (std::snprintf(bobName, 16, "d_%04d_%04li.gz", timeStep, blockID) > 15) {
  + THROW_SG_ERROR("sg::RichtmyerMeshkov: Invalid timestep or blockID!");
  + }
  const FileName fileName = fullDirName + FileName(bobName);
  const std::string cmd = "gunzip -c " + std::string(fileName);
  file = popen(cmd.c_str(), "r");
  @@ -558,7 +560,9 @@ namespace ospray {
  " aren't supported on Windows!");
  #endif
  } else {
  - std::sprintf(bobName, "d_%04d_%04li", timeStep, blockID);
  + if (std::snprintf(bobName, 16, "d_%04d_%04li", timeStep, blockID) > 15) {
  + THROW_SG_ERROR("sg::RichtmyerMeshkov: Invalid timestep or blockID!");
  + }
  const FileName fileName = fullDirName + FileName(bobName);
  file = fopen(fileName.c_str(), "rb");
  if (!file) {
  