static bool parse_xy()

in charlcd.c [155:186]


static bool parse_xy(const char *s, unsigned long *x, unsigned long *y)
{
	unsigned long new_x = *x;
	unsigned long new_y = *y;
	char *p;

	for (;;) {
		if (!*s)
			return false;

		if (*s == ';')
			break;

		if (*s == 'x') {
			new_x = simple_strtoul(s + 1, &p, 10);
			if (p == s + 1)
				return false;
			s = p;
		} else if (*s == 'y') {
			new_y = simple_strtoul(s + 1, &p, 10);
			if (p == s + 1)
				return false;
			s = p;
		} else {
			return false;
		}
	}

	*x = new_x;
	*y = new_y;
	return true;
}