On Mon, Dec 05, 2016 at 12:18:15PM +0100, Thomas Haller wrote:
> On Mon, 2016-12-05 at 15:37 +0800, Shih-Yuan Lee (FourDollars) wrote:
> > The sysfs path may not exist due to race conditions while accessing
> > sysfs.
> >
> > It's better to check the prefix 'wlan' as the last fallback method.
> ...
> How about, wifi_utils_is_wifi() gets also an argument ifindex.
> Instead of operating on the path name directly, it would first
> open("/sys/class/net/wlan0") and then use openat to navigate inside
> this directory.
>
> int
> nmp_utils_open_sysctl(int ifindex, const char *ifname)
> {This seems a good idea to me. Beniamino
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