Function containsControlCharacter

external/jsoncpp/jsoncpp.cpp:3080–3086

namespace Json {

static bool containsControlCharacter(const char *str) {
  while (*str) {
    if (isControlCharacter(*(str++)))
      return true;
  }
  return false;
}

std::string valueToString(LargestInt value) {
  UIntToStringBuffer buffer;