[PATCH 4/8] winebus.sys: Use WINEBUS\ as a common hardware ids prefix.

[Rémi Bernon]

Signed-off-by: Rémi Bernon <rbernon at codeweavers.com>
---
 dlls/winebus.sys/main.c | 19 ++++++++++++++++---
 1 file changed, 16 insertions(+), 3 deletions(-)

diff --git a/dlls/winebus.sys/main.c b/dlls/winebus.sys/main.c
index 6093a0b79eb..785fcd46cb5 100644
--- a/dlls/winebus.sys/main.c
+++ b/dlls/winebus.sys/main.c
@@ -289,13 +289,26 @@ static WCHAR *get_device_id(DEVICE_OBJECT *device)
 
 static WCHAR *get_hardware_ids(DEVICE_OBJECT *device)
 {
+    static const WCHAR input_formatW[] = {'&','M','I','_','%','0','2','u',0};
+    static const WCHAR winebus_formatW[] =
+    {
+        'W','I','N','E','B','U','S','\\','V','I','D','_','%','0','4','X',
+        '&','P','I','D','_','%','0','4','X',0
+    };
     struct device_extension *ext = (struct device_extension *)device->DeviceExtension;
+    DWORD pos = 0, len = 0, input_len = 0, winebus_len = 25;
     WCHAR *dst;
 
-    if ((dst = ExAllocatePool(PagedPool, (strlenW(ext->desc.busid) + 2) * sizeof(WCHAR))))
+    if (ext->desc.input != -1) input_len = 14;
+
+    len += winebus_len + input_len + 1;
+
+    if ((dst = ExAllocatePool(PagedPool, (len + 1) * sizeof(WCHAR))))
     {
-        strcpyW(dst, ext->desc.busid);
-        dst[strlenW(dst) + 1] = 0;
+        pos += snprintfW(dst + pos, len - pos, winebus_formatW, ext->desc.vid, ext->desc.pid);
+        if (input_len) pos += snprintfW(dst + pos, len - pos, input_formatW, ext->desc.input);
+        pos += 1;
+        dst[pos] = 0;
     }
 
     return dst;
-- 
2.33.0