Fixed crash if vendor or product strings are empty
diff --git a/src/hidapi/libusb/hid.c b/src/hidapi/libusb/hid.c
index dfc9ecb..acbffab 100644
--- a/src/hidapi/libusb/hid.c
+++ b/src/hidapi/libusb/hid.c
@@ -733,8 +733,12 @@ struct hid_device_info HID_API_EXPORT *hid_enumerate(unsigned short vendor_id,
if (dev_vid && dev_pid) {
string_cache = usb_string_cache_find(&desc, handle);
if (string_cache) {
- cur_dev->manufacturer_string = wcsdup(string_cache->vendor);
- cur_dev->product_string = wcsdup(string_cache->product);
+ if (string_cache->vendor) {
+ cur_dev->manufacturer_string = wcsdup(string_cache->vendor);
+ }
+ if (string_cache->product) {
+ cur_dev->product_string = wcsdup(string_cache->product);
+ }
}
} else {
if (desc.iManufacturer > 0)