[Wine-patches] [eterhack 02/23] usbhub.sys: Add support for USB_STRING_DESCRIPTOR_TYPE.

[Alexander Morozov]

---
 dlls/usbhub.sys/usbhub.c |   59 +++++++++++++++++++++++++++++++++++++--------
 1 files changed, 48 insertions(+), 11 deletions(-)

diff --git a/dlls/usbhub.sys/usbhub.c b/dlls/usbhub.sys/usbhub.c
index 04e00ad..fce8c7c 100644
--- a/dlls/usbhub.sys/usbhub.c
+++ b/dlls/usbhub.sys/usbhub.c
@@ -77,7 +77,7 @@ struct PdoExtension
 
 #ifdef HAVE_LIBUSB
 
-static void add_data( char **dst, ULONG *dst_size, const void *src, ULONG src_size )
+static void add_data( unsigned char **dst, ULONG *dst_size, const void *src, ULONG src_size )
 {
     int copy;
 
@@ -134,13 +134,18 @@ static NTSTATUS WINAPI usbhub_internal_ioctl( DEVICE_OBJECT *device, IRP *irp )
                 struct _URB_CONTROL_DESCRIPTOR_REQUEST *request =
                         &urb->u.UrbControlDescriptorRequest;
                 ULONG size = request->TransferBufferLength;
-                char *buf = request->TransferBuffer;
+                unsigned char *buf = request->TransferBuffer;
 
                 TRACE( "URB_FUNCTION_GET_DESCRIPTOR_FROM_DEVICE\n" );
 
+                if (!size)
+                {
+                    status = STATUS_SUCCESS;
+                    break;
+                }
                 if (buf == NULL && request->TransferBufferMDL != NULL)
                     buf = request->TransferBufferMDL->MappedSystemVa;
-                if (buf == NULL && size)
+                if (buf == NULL)
                 {
                     status = STATUS_INVALID_PARAMETER;
                     break;
@@ -199,9 +204,21 @@ static NTSTATUS WINAPI usbhub_internal_ioctl( DEVICE_OBJECT *device, IRP *irp )
                         status = STATUS_SUCCESS;
                     }
                     break;
-                default:
-                    FIXME( "unsupported descriptor type %x\n",
-                            request->DescriptorType );
+                case USB_STRING_DESCRIPTOR_TYPE:
+                    TRACE( "USB_STRING_DESCRIPTOR_TYPE\n" );
+                    {
+                        libusb_device_handle *husb;
+                        int ret;
+
+                        if (!libusb_open( inst->dev, &husb ))
+                        {
+                            ret = libusb_get_string_descriptor( husb, request->Index,
+                                    request->LanguageId, buf, size );
+                            libusb_close( husb );
+                            if (ret < 0) break;
+                            status = STATUS_SUCCESS;
+                        }
+                    }
                 }
             }
             break;
@@ -321,13 +338,18 @@ static NTSTATUS WINAPI usbhub_internal_ioctl( DEVICE_OBJECT *device, IRP *irp )
                 struct _URB_CONTROL_DESCRIPTOR_REQUEST *request =
                         &urb->u.UrbControlDescriptorRequest;
                 ULONG size = request->TransferBufferLength;
-                char *buf = request->TransferBuffer;
+                unsigned char *buf = request->TransferBuffer;
 
                 TRACE( "URB_FUNCTION_GET_DESCRIPTOR_FROM_DEVICE\n" );
 
+                if (!size)
+                {
+                    status = STATUS_SUCCESS;
+                    break;
+                }
                 if (buf == NULL && request->TransferBufferMDL != NULL)
                     buf = request->TransferBufferMDL->MappedSystemVa;
-                if (buf == NULL && size)
+                if (buf == NULL)
                 {
                     status = STATUS_INVALID_PARAMETER;
                     break;
@@ -378,9 +400,24 @@ static NTSTATUS WINAPI usbhub_internal_ioctl( DEVICE_OBJECT *device, IRP *irp )
                         status = STATUS_SUCCESS;
                     }
                     break;
-                default:
-                    FIXME( "unsupported descriptor type %x\n",
-                            request->DescriptorType );
+                case USB_STRING_DESCRIPTOR_TYPE:
+                    TRACE( "USB_STRING_DESCRIPTOR_TYPE\n" );
+                    {
+                        usb_dev_handle *husb;
+                        int ret;
+
+                        husb = usb_open( inst->dev );
+                        if (husb)
+                        {
+                            ret = usb_get_string( husb, request->Index,
+                                    request->LanguageId, (void *)buf, size );
+                            if (ret < 0)
+                                ERR( "%s\n", usb_strerror() );
+                            else
+                                status = STATUS_SUCCESS;
+                            usb_close( husb );
+                        }
+                    }
                 }
             }
             break;
-- 
1.6.3.1