Jacek Caban : devenum: Moved test for special category GUID to separated function.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 6ce17c1fa4a38f180c10db5db60ae7897e2dcd69
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=6ce17c1fa4a38f180c10db5db60ae7897e2dcd69

Author: Jacek Caban <jacek at codeweavers.com>
Date:   Wed Jan  8 14:12:00 2014 +0100

devenum: Moved test for special category GUID to separated function.

---

 dlls/devenum/createdevenum.c |   18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)

diff --git a/dlls/devenum/createdevenum.c b/dlls/devenum/createdevenum.c
index b7e288b..58fe7a4 100644
--- a/dlls/devenum/createdevenum.c
+++ b/dlls/devenum/createdevenum.c
@@ -107,12 +107,17 @@ static ULONG WINAPI DEVENUM_ICreateDevEnum_Release(ICreateDevEnum * iface)
     return 1; /* non-heap based object */
 }
 
+static BOOL IsSpecialCategory(const CLSID *clsid)
+{
+    return IsEqualGUID(clsid, &CLSID_AudioRendererCategory) ||
+        IsEqualGUID(clsid, &CLSID_AudioInputDeviceCategory) ||
+        IsEqualGUID(clsid, &CLSID_VideoInputDeviceCategory) ||
+        IsEqualGUID(clsid, &CLSID_MidiRendererCategory);
+}
+
 HRESULT DEVENUM_GetCategoryKey(REFCLSID clsidDeviceClass, HKEY *pBaseKey, WCHAR *wszRegKeyName, UINT maxLen)
 {
-    if (IsEqualGUID(clsidDeviceClass, &CLSID_AudioRendererCategory) ||
-        IsEqualGUID(clsidDeviceClass, &CLSID_AudioInputDeviceCategory) ||
-        IsEqualGUID(clsidDeviceClass, &CLSID_VideoInputDeviceCategory) ||
-        IsEqualGUID(clsidDeviceClass, &CLSID_MidiRendererCategory))
+    if (IsSpecialCategory(clsidDeviceClass))
     {
         *pBaseKey = HKEY_CURRENT_USER;
         strcpyW(wszRegKeyName, wszActiveMovieKey);
@@ -482,10 +487,7 @@ static HRESULT WINAPI DEVENUM_ICreateDevEnum_CreateClassEnumerator(
     if (FAILED(hr))
         return hr;
 
-    if (IsEqualGUID(clsidDeviceClass, &CLSID_AudioRendererCategory) ||
-        IsEqualGUID(clsidDeviceClass, &CLSID_AudioInputDeviceCategory) ||
-        IsEqualGUID(clsidDeviceClass, &CLSID_VideoInputDeviceCategory) ||
-        IsEqualGUID(clsidDeviceClass, &CLSID_MidiRendererCategory))
+    if (IsSpecialCategory(clsidDeviceClass))
     {
          hr = DEVENUM_CreateSpecialCategories();
          if (FAILED(hr))