1 files changed, 56 insertions, 0 deletions
diff --git a/usb/driver/get_configuration.c b/usb/driver/get_configuration.c
new file mode 100644
index 0000000..fa9b522
--- /dev/null
+++ b/usb/driver/get_configuration.c
@@ -0,0 +1,56 @@
+/* libusb-win32, Generic Windows USB Library
+ * Copyright (c) 2002-2005 Stephan Meyer <ste_meyer@web.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+
+#include "libusb_driver.h"
+
+
+NTSTATUS get_configuration(libusb_device_t *dev,
+                           unsigned char *configuration, int *ret,
+                           int timeout)
+{
+    NTSTATUS status = STATUS_SUCCESS;
+    URB urb;
+
+	USBMSG("timeout: %d\n", timeout);
+
+    memset(&urb, 0, sizeof(URB));
+
+    urb.UrbHeader.Function = URB_FUNCTION_GET_CONFIGURATION;
+    urb.UrbHeader.Length = sizeof(struct _URB_CONTROL_GET_CONFIGURATION_REQUEST);
+    urb.UrbControlGetConfigurationRequest.TransferBufferLength = 1;
+    urb.UrbControlGetConfigurationRequest.TransferBuffer = configuration;
+
+
+    status = call_usbd(dev, &urb, IOCTL_INTERNAL_USB_SUBMIT_URB, timeout);
+
+    if (!NT_SUCCESS(status) || !USBD_SUCCESS(urb.UrbHeader.Status))
+    {
+        USBERR("getting configuration failed: status: 0x%x, urb-status: 0x%x\n",
+                    status, urb.UrbHeader.Status);
+        *ret = 0;
+    }
+    else
+    {
+        USBMSG("current configuration is: %d\n",
+                      *configuration);
+        *ret = urb.UrbControlGetConfigurationRequest.TransferBufferLength;
+    }
+
+    return status;
+}