Function ng_ksocket_parse

freebsd/netgraph/ng_ksocket.c:1252–1271

* Parse out either an integer value or an alias. */

 * Parse out either an integer value or an alias.
 */
static int
ng_ksocket_parse(const struct ng_ksocket_alias *aliases,
	const char *s, int family)
{
	int k, val;
	char *eptr;

	/* Try aliases */
	for (k = 0; aliases[k].name != NULL; k++) {
		if (strcmp(s, aliases[k].name) == 0
		    && aliases[k].family == family)
			return aliases[k].value;
	}

	/* Try parsing as a number */
	val = (int)strtoul(s, &eptr, 10);
	if (val < 0 || *eptr != '\0')
		return (-1);
	return (val);
}