[PATCH 3/5] winebus.sys: Use WINEBUS\ as a common hardware ids prefix.
Rémi Bernon
rbernon at codeweavers.com
Mon Sep 20 02:37:05 CDT 2021
Signed-off-by: Rémi Bernon <rbernon at codeweavers.com>
---
dlls/winebus.sys/main.c | 15 ++++++++++++---
1 file changed, 12 insertions(+), 3 deletions(-)
diff --git a/dlls/winebus.sys/main.c b/dlls/winebus.sys/main.c
index 92a41e4d8ef..0fd7a405f80 100644
--- a/dlls/winebus.sys/main.c
+++ b/dlls/winebus.sys/main.c
@@ -229,13 +229,22 @@ static WCHAR *get_device_id(DEVICE_OBJECT *device)
static WCHAR *get_hardware_ids(DEVICE_OBJECT *device)
{
+ static const WCHAR input_format[] = L"&MI_%02u";
+ static const WCHAR winebus_format[] = L"WINEBUS\\VID_%04X&PID_%04X";
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, (wcslen(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))))
{
- wcscpy(dst, ext->desc.busid);
- dst[wcslen(dst) + 1] = 0;
+ pos += swprintf(dst + pos, len - pos, winebus_format, ext->desc.vid, ext->desc.pid);
+ if (input_len) pos += swprintf(dst + pos, len - pos, input_format, ext->desc.input);
+ pos += 1;
+ dst[pos] = 0;
}
return dst;
--
2.33.0
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