On 08/09/18 12:18, Julian Orth wrote:
> +static bool parse_transit_net(struct wgdevice *device, const char *arg)
> +{
> +	/* U32 arg -> PID */
> +	if (isdigit(*arg)) {
> +		char *end;
> +		unsigned long pid = strtoul(arg, &end, 10);
> +		if (!*end && pid <= UINT32_MAX) {

This condition will always be true on a 32-bit system (for a valid
integer). I'd prefer strtoull() and `unsigned long long' but given
that a valid file descriptor won't ever go that high... eh. shrug. But
you'll still get a compiler diagnostic for it.