[ekohl] 69837: [USERENV] - GetProfilesDirectoryA: In case of success, return the length of the profiles directory. - GetProfilesDirectoryW: Set ERROR_INSUFFICIENT_BUFFER, if lpProfilesDir is NULL.

Author: ekohl
Date: Sat Nov  7 19:47:24 2015
New Revision: 69837

URL: http://svn.reactos.org/svn/reactos?rev=69837&view=rev
Log:
[USERENV]
- GetProfilesDirectoryA: In case of success, return the length of the profiles directory.
- GetProfilesDirectoryW: Set ERROR_INSUFFICIENT_BUFFER, if lpProfilesDir is NULL.

Modified:
    trunk/reactos/dll/win32/userenv/profile.c

Modified: trunk/reactos/dll/win32/userenv/profile.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/userenv/profile.c...
==============================================================================
--- trunk/reactos/dll/win32/userenv/profile.c	[iso-8859-1] (original)
+++ trunk/reactos/dll/win32/userenv/profile.c	[iso-8859-1] Sat Nov  7 19:47:24 2015
@@ -687,14 +687,14 @@
                                     lpcchSize);
     if (bResult)
     {
-        WideCharToMultiByte(CP_ACP,
-                            0,
-                            lpBuffer,
-                            -1,
-                            lpProfileDir,
-                            *lpcchSize,
-                            NULL,
-                            NULL);
+        bResult = WideCharToMultiByte(CP_ACP,
+                                      0,
+                                      lpBuffer,
+                                      -1,
+                                      lpProfileDir,
+                                      *lpcchSize,
+                                      NULL,
+                                      NULL);
     }

GlobalFree(lpBuffer);
@@ -713,6 +713,7 @@
     DWORD dwLength;
     HKEY hKey;
     LONG Error;
+    BOOL bRet = FALSE;

if (!lpcchSize)
     {
@@ -764,17 +765,22 @@
     {
         if (*lpcchSize < dwLength)
         {
-            *lpcchSize = dwLength;
             SetLastError(ERROR_INSUFFICIENT_BUFFER);
-            return FALSE;
-        }
-
-        wcscpy(lpProfilesDir, szProfilesPath);
+        }
+        else
+        {
+            wcscpy(lpProfilesDir, szProfilesPath);
+            bRet = TRUE;
+        }
+    }
+    else
+    {
+        SetLastError(ERROR_INSUFFICIENT_BUFFER);
     }

*lpcchSize = dwLength;

-    return TRUE;
+    return bRet;
 }