Function parse_range

dpdk/examples/ipsec-secgw/parser.c:108–146

}

int
parse_range(const char *token, uint16_t *low, uint16_t *high)
{
	char ch;
	char num_str[20];
	uint32_t pos;
	int range_low = -1;
	int range_high = -1;

	if (!low || !high)
		return -1;

	memset(num_str, 0, 20);
	pos = 0;

	while ((ch = *token++) != '\0') {
		if (isdigit(ch)) {
			if (pos >= 19)
				return -1;
			num_str[pos++] = ch;
		} else if (ch == ':') {
			if (range_low != -1)
				return -1;
			range_low = atoi(num_str);
			memset(num_str, 0, 20);
			pos = 0;
		}
	}

	if (strlen(num_str) == 0)
		return -1;

	range_high = atoi(num_str);

	*low = (uint16_t)range_low;
	*high = (uint16_t)range_high;

	return 0;
}

/*
 * helper function for parse_mac, parse one section of the ether addr.