Function resource_find

freebsd/kern/subr_hints.c:305–334

* Search all the data sources for matches to our query. We look for * dynamic hints first as overrides for static or fallback hints. */

 * dynamic hints first as overrides for static or fallback hints.
 */
static int
resource_find(int *line, int *startln,
    const char *name, int *unit, const char *resname, const char *value,
    const char **ret_name, int *ret_namelen, int *ret_unit,
    const char **ret_resname, int *ret_resnamelen, const char **ret_value)
{
	int i;
	int un;
	char *hintp;

	*line = 0;
	hintp = NULL;

	/* Search for exact unit matches first */
	i = res_find(&hintp, line, startln, name, unit, resname, value,
	    ret_name, ret_namelen, ret_unit, ret_resname, ret_resnamelen,
	    ret_value);
	if (i == 0)
		return 0;
	if (unit == NULL)
		return ENOENT;
	/* If we are still here, search for wildcard matches */
	un = -1;
	i = res_find(&hintp, line, startln, name, &un, resname, value,
	    ret_name, ret_namelen, ret_unit, ret_resname, ret_resnamelen,
	    ret_value);
	if (i == 0)
		return 0;
	return ENOENT;
}

int
resource_int_value(const char *name, int unit, const char *resname, int *result)