ret = WIMLIB_ERR_INVALID_PARAM;
if ((init_flags & (WIMLIB_INIT_FLAG_DEFAULT_CASE_SENSITIVE |
WIMLIB_INIT_FLAG_DEFAULT_CASE_INSENSITIVE))
== (WIMLIB_INIT_FLAG_DEFAULT_CASE_SENSITIVE |
WIMLIB_INIT_FLAG_DEFAULT_CASE_INSENSITIVE))
ret = WIMLIB_ERR_INVALID_PARAM;
if ((init_flags & (WIMLIB_INIT_FLAG_DEFAULT_CASE_SENSITIVE |
WIMLIB_INIT_FLAG_DEFAULT_CASE_INSENSITIVE))
== (WIMLIB_INIT_FLAG_DEFAULT_CASE_SENSITIVE |
WIMLIB_INIT_FLAG_DEFAULT_CASE_INSENSITIVE))