Function StringFromGTestEnv

test/common/gtest/gtest.cpp:9834–9838

Reads and returns the string environment variable corresponding to the given flag; if it's not set, returns default_value.

// Reads and returns the string environment variable corresponding to
// the given flag; if it's not set, returns default_value.
const char* StringFromGTestEnv(const char* flag, const char* default_value) {
  const std::string env_var = FlagToEnvVar(flag);
  const char* const value = posix::GetEnv(env_var.c_str());
  return value == NULL ? default_value : value;
}

}  // namespace internal
}  // namespace testing