Function FlagToEnvVar

rtpose_wrapper/src/gtest/gtest-all.cpp:8451–8461

Returns the name of the environment variable corresponding to the given flag. For example, FlagToEnvVar("foo") will return "GTEST_FOO" in the open-source version.

// given flag.  For example, FlagToEnvVar("foo") will return
// "GTEST_FOO" in the open-source version.
static String FlagToEnvVar(const char* flag) {
  const String full_flag =
      (Message() << GTEST_FLAG_PREFIX_ << flag).GetString();

  Message env_var;
  for (size_t i = 0; i != full_flag.length(); i++) {
    env_var << ToUpper(full_flag.c_str()[i]);
  }

  return env_var.GetString();
}

// Parses 'str' for a 32-bit signed integer.  If successful, writes
// the result to *value and returns true; otherwise leaves *value