static void tigl_get_product(char * string, size_t maxlen, struct libusb_device *dev)
{
libusb_device_handle *han;
int ret;
struct libusb_device_descriptor desc;
int r = libusb_get_device_descriptor(dev, &desc);
string[0] = 0;
if (r < 0)
{
ticables_critical("failed to get device descriptor");
}
if (desc.iProduct)
{
if (!libusb_open(dev, &han))
{
ret = libusb_get_string_descriptor_ascii(han, desc.iProduct, (unsigned char *) string, maxlen);
libusb_close(han);
if (ret <= 0)
{
ticables_warning("libusb_get_string_descriptor_ascii (%s).\n", tigl_strerror(ret));
}
}
// else do nothing.
}
}
static const char* tigl_get_product(struct libusb_device *dev)
{
libusb_device_handle *han;
int ret;
static unsigned char string[64];
struct libusb_device_descriptor desc;
int r = libusb_get_device_descriptor(dev, &desc);
if (r < 0)
{
ticables_error("failed to get device descriptor");
return "";
}
if (desc.iProduct)
{
if (!libusb_open(dev, &han))
{
ret = libusb_get_string_descriptor_ascii(han, desc.iProduct, string, sizeof(string));
libusb_close(han);
if (ret > 0)
{
return (const char *) string;
}
else
{
ticables_warning("libusb_get_string_descriptor_ascii (%s).\n", tigl_strerror(ret));
return "";
}
}
else
{
return "";
}
}
return (const char *)string;
}