Function parse_portmask

dpdk/examples/vhost/main.c:594–609

* Parse the portmask provided at run time. */

 * Parse the portmask provided at run time.
 */
static int
parse_portmask(const char *portmask)
{
	char *end = NULL;
	unsigned long pm;

	errno = 0;

	/* parse hexadecimal string */
	pm = strtoul(portmask, &end, 16);
	if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0') || (errno != 0))
		return 0;

	return pm;

}

/*
 * Parse num options at run time.