Function checkFileExtension

lib/FsHelpers/FsHelpers.cpp:132–146

}

bool checkFileExtension(std::string_view fileName, const char* extension) {
  const size_t extLen = strlen(extension);
  if (fileName.length() < extLen) {
    return false;
  }

  const size_t offset = fileName.length() - extLen;
  for (size_t i = 0; i < extLen; i++) {
    if (tolower(static_cast<unsigned char>(fileName[offset + i])) !=
        tolower(static_cast<unsigned char>(extension[i]))) {
      return false;
    }
  }
  return true;
}

bool hasJpgExtension(std::string_view fileName) {
  return checkFileExtension(fileName, ".jpg") || checkFileExtension(fileName, ".jpeg");