1 files changed, 92 insertions, 0 deletions
diff --git a/vendor/github.com/karalabe/gousb/usb/error.go b/vendor/github.com/karalabe/gousb/usb/error.go
new file mode 100644
index 000000000..30d47bce3
--- /dev/null
+++ b/vendor/github.com/karalabe/gousb/usb/error.go
@@ -0,0 +1,92 @@
+// Copyright 2013 Google Inc.  All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package usb
+
+import (
+	"fmt"
+)
+
+// #include "libusb.h"
+import "C"
+
+type usbError C.int
+
+func (e usbError) Error() string {
+	return fmt.Sprintf("libusb: %s [code %d]", usbErrorString[e], int(e))
+}
+
+const (
+	SUCCESS             usbError = C.LIBUSB_SUCCESS
+	ERROR_IO            usbError = C.LIBUSB_ERROR_IO
+	ERROR_INVALID_PARAM usbError = C.LIBUSB_ERROR_INVALID_PARAM
+	ERROR_ACCESS        usbError = C.LIBUSB_ERROR_ACCESS
+	ERROR_NO_DEVICE     usbError = C.LIBUSB_ERROR_NO_DEVICE
+	ERROR_NOT_FOUND     usbError = C.LIBUSB_ERROR_NOT_FOUND
+	ERROR_BUSY          usbError = C.LIBUSB_ERROR_BUSY
+	ERROR_TIMEOUT       usbError = C.LIBUSB_ERROR_TIMEOUT
+	ERROR_OVERFLOW      usbError = C.LIBUSB_ERROR_OVERFLOW
+	ERROR_PIPE          usbError = C.LIBUSB_ERROR_PIPE
+	ERROR_INTERRUPTED   usbError = C.LIBUSB_ERROR_INTERRUPTED
+	ERROR_NO_MEM        usbError = C.LIBUSB_ERROR_NO_MEM
+	ERROR_NOT_SUPPORTED usbError = C.LIBUSB_ERROR_NOT_SUPPORTED
+	ERROR_OTHER         usbError = C.LIBUSB_ERROR_OTHER
+)
+
+var usbErrorString = map[usbError]string{
+	C.LIBUSB_SUCCESS:             "success",
+	C.LIBUSB_ERROR_IO:            "i/o error",
+	C.LIBUSB_ERROR_INVALID_PARAM: "invalid param",
+	C.LIBUSB_ERROR_ACCESS:        "bad access",
+	C.LIBUSB_ERROR_NO_DEVICE:     "no device",
+	C.LIBUSB_ERROR_NOT_FOUND:     "not found",
+	C.LIBUSB_ERROR_BUSY:          "device or resource busy",
+	C.LIBUSB_ERROR_TIMEOUT:       "timeout",
+	C.LIBUSB_ERROR_OVERFLOW:      "overflow",
+	C.LIBUSB_ERROR_PIPE:          "pipe error",
+	C.LIBUSB_ERROR_INTERRUPTED:   "interrupted",
+	C.LIBUSB_ERROR_NO_MEM:        "out of memory",
+	C.LIBUSB_ERROR_NOT_SUPPORTED: "not supported",
+	C.LIBUSB_ERROR_OTHER:         "unknown error",
+}
+
+type TransferStatus uint8
+
+const (
+	LIBUSB_TRANSFER_COMPLETED TransferStatus = C.LIBUSB_TRANSFER_COMPLETED
+	LIBUSB_TRANSFER_ERROR     TransferStatus = C.LIBUSB_TRANSFER_ERROR
+	LIBUSB_TRANSFER_TIMED_OUT TransferStatus = C.LIBUSB_TRANSFER_TIMED_OUT
+	LIBUSB_TRANSFER_CANCELLED TransferStatus = C.LIBUSB_TRANSFER_CANCELLED
+	LIBUSB_TRANSFER_STALL     TransferStatus = C.LIBUSB_TRANSFER_STALL
+	LIBUSB_TRANSFER_NO_DEVICE TransferStatus = C.LIBUSB_TRANSFER_NO_DEVICE
+	LIBUSB_TRANSFER_OVERFLOW  TransferStatus = C.LIBUSB_TRANSFER_OVERFLOW
+)
+
+var transferStatusDescription = map[TransferStatus]string{
+	LIBUSB_TRANSFER_COMPLETED: "transfer completed without error",
+	LIBUSB_TRANSFER_ERROR:     "transfer failed",
+	LIBUSB_TRANSFER_TIMED_OUT: "transfer timed out",
+	LIBUSB_TRANSFER_CANCELLED: "transfer was cancelled",
+	LIBUSB_TRANSFER_STALL:     "halt condition detected (endpoint stalled) or control request not supported",
+	LIBUSB_TRANSFER_NO_DEVICE: "device was disconnected",
+	LIBUSB_TRANSFER_OVERFLOW:  "device sent more data than requested",
+}
+
+func (ts TransferStatus) String() string {
+	return transferStatusDescription[ts]
+}
+
+func (ts TransferStatus) Error() string {
+	return "libusb: " + ts.String()
+}