Function RandomString

libs/platform/platform.cpp:22–34

namespace
{
std::string RandomString(size_t length)
{
  /// @todo Used for temp file name, so lower-upper case is strange here, no?
  static std::string_view constexpr kCharset =
      "0123456789"
      "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
      "abcdefghijklmnopqrstuvwxyz";

  base::UniformRandom<size_t> rand(0, kCharset.size() - 1);
  std::string str(length, 0);
  std::generate_n(str.begin(), length, [&rand]() { return kCharset[rand()]; });
  return str;
}

inline bool IsSpecialDirName(std::string const & dirName)
{