[ros-diffs] [hpoussin] 16426: Implement SetupDiGetClassDescriptionExA, by calling SetupDiGetClassDescriptionExW

[hpoussin at svn.reactos.com]

Implement SetupDiGetClassDescriptionExA, by calling
SetupDiGetClassDescriptionExW
Modified: trunk/reactos/lib/setupapi/devinst.c
  _____  

Modified: trunk/reactos/lib/setupapi/devinst.c
--- trunk/reactos/lib/setupapi/devinst.c	2005-07-05 12:59:14 UTC
(rev 16425)
+++ trunk/reactos/lib/setupapi/devinst.c	2005-07-05 13:15:10 UTC
(rev 16426)
@@ -877,8 +877,48 @@

         PCSTR MachineName,
         PVOID Reserved)
 {
-  FIXME("\n");
-  return FALSE;
+    PWCHAR ClassDescriptionW;
+    LPWSTR MachineNameW = NULL;
+    BOOL ret;
+
+    TRACE("\n");
+    if (ClassDescriptionSize > 0)
+    {
+        ClassDescriptionW = HeapAlloc(GetProcessHeap(), 0,
ClassDescriptionSize * sizeof(WCHAR));
+        if (!ClassDescriptionW)
+        {
+            SetLastError(ERROR_NOT_ENOUGH_MEMORY);
+            ret = FALSE;
+            goto end;
+        }
+    }
+
+    if (MachineName)
+    {
+        MachineNameW = MultiByteToUnicode(MachineName, CP_ACP);
+        if (!MachineNameW)
+        {
+            SetLastError(ERROR_NOT_ENOUGH_MEMORY);
+            ret = FALSE;
+            goto end;
+        }
+    }
+
+    ret = SetupDiGetClassDescriptionExW(ClassGuid, ClassDescriptionW,
ClassDescriptionSize * sizeof(WCHAR),
+     NULL, MachineNameW, Reserved);
+    if (ret)
+    {
+        int len = WideCharToMultiByte(CP_ACP, 0, ClassDescriptionW, -1,
ClassDescription,
+         ClassDescriptionSize, NULL, NULL);
+
+        if (!ClassDescriptionSize && RequiredSize)
+            *RequiredSize = len;
+    }
+
+end:
+    HeapFree(GetProcessHeap(), 0, ClassDescriptionW);
+    MyFree(MachineNameW);
+    return ret;
 }
 
 
/***********************************************************************
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