On Mon, 15 Mar 2010, Peter Dons Tychsen wrote:
> > So I could be convinced to add new functions to read/write the limit
> > from within an application itself. So that it can be changed without
> > re-compiling the library. Feel free to propose a patch.
>
> I will see what i can do. What is needed is probably a
> hci_set_max_devices() call. Then hcitool could call that with the number
> of devices needed.
A suggestion. I have used this construct in the past for something that
contains a hard coded limit where somebody might want to override it
without rebuilding, and requires no change to the API..
hci.h:
#define HCI_MAX_DEV hci_max_dev()
hci.c:
unsigned int
hci_max_dev(void)
{
static unsigned int max = 0;
char *env, *ep;
unsigned long v;
if (max == 0) {
max = 16;
env = getenv("HCI_MAX_DEV");
if (env == NULL)
break;
errno = 0;
v = strtoul(env, &ep, 0);
if (env[0] == '\0' || *ep != '\0')
break;
if (errno == ERANGE && v == ULONG_MAX)
break;
if (v > UINT_MAX)
break;
max = v;
}
return max;
}
regards,
iain
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