ObjFW  Check-in [41095bf7a1]

	madvise(string, len, MADV_NORMAL);

	return self;
}

- upper
{
	size_t i = length;
	char *p = string + length;

	if (is_utf8)
		@throw [OFInvalidEncodingException newWithClass: [self class]];

	while (i--)
		string[i] = toupper(string[i]);
	while (--p >= string)
		*p = toupper((int)*p);

	return self;
}

- lower
{
	size_t i = length;
	char *p = string + length;

	if (is_utf8)
		@throw [OFInvalidEncodingException newWithClass: [self class]];

	while (i--)
		string[i] = tolower(string[i]);
	while (--p >= string)
		*p = tolower((int)*p);

	return self;
}
@end

	return ret;
}

+ (char*)createStanza: (const char*)name
	 withCloseTag: (BOOL)close
	      andData: (const char*)data, ...
{
	char *arg, *val, *xml, *esc_val;
	char *arg, *val, *xml, *esc_val = NULL;
	size_t i, len;
	va_list args;

	/* Start of tag */
	len = strlen(name);
	if (SIZE_MAX - len < 3)
		@throw [OFOutOfRangeException newWithClass: self];