ObjFW  Diff

	char *p = string + length;

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

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

	return self;
}

- removeCharactersFromIndex: (size_t)start
		    toIndex: (size_t)end
{
	if (start > end)
		@throw [OFInvalidArgumentException newWithClass: isa
						       selector: _cmd];

	if (end > length)
		@throw [OFOutOfRangeException newWithClass: isa];

	memmove(string + start, string + end, length - end);
	length -= end - start;
	string[length] = 0;

	@try {
		string = [self resizeMemory: string
				     toSize: length + 1];
	} @catch (OFOutOfMemoryException *e) {
		/* We don't really care, as we only made it smaller */
		[e dealloc];
	}

	return self;
}

- replaceOccurrencesOfString: (OFString*)str
		  withString: (OFString*)repl
{