Function parse_param_name

parser/digest/param_parser.c:194–235

int parse_param_name(str* _s, dig_par_t* _type)
{
        register char* p;
        register int val;
	char* end;

	end = _s->s + _s->len;

	p = _s->s;
	val = READ(p);

	if (_s->len < 4) {
		goto other;
	}

        switch(LOWER_DWORD(val)) {
	FIRST_QUATERNIONS;
	default:
		PARSE_SHORT;
		goto other;
        }

 end:
	_s->len -= p - _s->s;
	_s->s = p;

	trim_leading(_s);
	if (_s->s[0] == '=') {
		return 0;
	}

 other:
	p = q_memchr(p, '=', end - p);
	if (!p) {
		return -1; /* Parse error */
	} else {
		*_type = PAR_OTHER;
		_s->len -= p - _s->s;
		_s->s = p;
		return 0;
	}
}